A race condition in the x86 KVM subsystem in the Linux kernel through 6.1-rc6 allows guest OS users to cause a denial of service (host OS crash or host OS memory corruption) when nested virtualisation and the TDP MMU are enabled.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:1404 advisory.

    The kernel packages contain the Linux kernel, the core of any Linux operating system.

    Security Fix(es):

    * kernel: out-of-bounds write in hw_atl_utils_fw_rpc_wait() in     drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c (CVE-2021-43975)

    * kernel: double free in usb_8dev_start_xmit in drivers/net/can/usb/usb_8dev.c (CVE-2022-28388)

    * kernel: null-ptr-deref vulnerabilities in sl_tx_timeout in drivers/net/slip (CVE-2022-41858)

    * kernel: Rate limit overflow messages in r8152 in intr_callback (CVE-2022-3594)

    * kernel: tun: avoid double free in tun_free_netdev (CVE-2022-4744)

    * kernel: nfp: use-after-free in area_cache_get() (CVE-2022-3545)

    * kernel: denial of service in tipc_conn_close (CVE-2023-1382)

    * kernel: lib/seq_buf.c has a seq_buf_putmem_hex buffer overflow (CVE-2023-28772)

    * kernel: NULL pointer dereference in can_rcv_filter (CVE-2023-2166)

    * kernel: Slab-out-of-bound read in compare_netdev_and_ip (CVE-2023-2176)

    * kernel: use-after-free in l2cap_sock_release in net/bluetooth/l2cap_sock.c (CVE-2023-40283)

    * kernel: use-after-free in sch_qfq network scheduler (CVE-2023-4921)

    * kernel: Out-Of-Bounds Read vulnerability in smbCalcSize (CVE-2023-6606)

    * kernel: ktls overwrites readonly memory pages when using function splice with a ktls socket as     destination (CVE-2024-0646)

    * kernel: inactive elements in nft_pipapo_walk (CVE-2023-6817)

    * kernel: refcount leak in ctnetlink_create_conntrack() (CVE-2023-7192)

    Bug Fix(es):

    * The kernel is still getting hung up even after converting kernfs_mutex to kernfs_rwsem with massive     concurrent kernfs access (open & lookup) performed by kubelet/node_exporter threads. (JIRA:RHEL-17149)

    * kernel: Rate limit overflow messages in r8152 in intr_callback (JIRA:RHEL-18810)

    * kernel: tun: avoid double free in tun_free_netdev (JIRA:RHEL-18813)

    * kernel: lib/seq_buf.c has a seq_buf_putmem_hex buffer overflow (JIRA:RHEL-18850)

    * kernel: NULL pointer dereference in can_rcv_filter (JIRA:RHEL-19461)

    * ipoib mcast lockup fix (JIRA:RHEL-19698)

    * kernel: denial of service in tipc_conn_close (JIRA:RHEL-18824)

    * Rhel-8.6 crash at  qed_get_current_link+0x11 during tx_timeout recovery  (JIRA:RHEL-20923)

    * kernel: use-after-free in sch_qfq network scheduler (JIRA:RHEL-14402)

    * RHEL8.6 - s390/qeth: NET2016 - fix use-after-free in HSCI (JIRA:RHEL-15849)

    * RHEL8.6 - s390/qeth: recovery and set offline lose routes and IPv6 addr (JIRA:RHEL-17883)

    * kernel: null-ptr-deref vulnerabilities in sl_tx_timeout in drivers/net/slip (JIRA:RHEL-18582)

    * kernel: out-of-bounds write in hw_atl_utils_fw_rpc_wait() in     drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c (JIRA:RHEL-18799)

    * kernel: double free in usb_8dev_start_xmit in drivers/net/can/usb/usb_8dev.c (JIRA:RHEL-18814)

    * kernel: use-after-free in l2cap_sock_release in net/bluetooth/l2cap_sock.c (JIRA:RHEL-18998)

    * dm multipath device suspend deadlocks waiting on a flush request (JIRA:RHEL-19110)

    * kernel: Slab-out-of-bound read in compare_netdev_and_ip (JIRA:RHEL-19327)

    * kernel: A flaw leading to a use-after-free in area_cache_get() (JIRA:RHEL-19451)

    * [RHEL8] I/O blocked during fio background with IO schedule switch, cpu offline/online, pci nvme     rescan/reset (JIRA:RHEL-20231)

    * kernel: refcount leak in ctnetlink_create_conntrack() (JIRA:RHEL-20298)

    * kernel: inactive elements in nft_pipapo_walk (JIRA:RHEL-20697)

    * kernel: Out-Of-Bounds Read vulnerability in smbCalcSize (JIRA:RHEL-21661)

    * kernel NULL pointer at RIP: 0010:kyber_has_work+0x1c/0x60 (JIRA:RHEL-21784)

    * kernel: ktls overwrites readonly memory pages when using function splice with a ktls socket as     destination (JIRA:RHEL-22090)

    * backport timerlat user-space support (JIRA:RHEL-20361)

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:1188 advisory.

    The kernel packages contain the Linux kernel, the core of any Linux operating system.

    Security Fix(es):

    * kernel: out-of-bounds write in hw_atl_utils_fw_rpc_wait() in     drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c (CVE-2021-43975)

    * kernel: memory leak in drivers/hid/hid-elo.c (CVE-2022-27950)

    * kernel: use-after-free in tc_new_tfilter() in net/sched/cls_api.c (CVE-2022-1055)

    * kernel: use-after-free when psi trigger is destroyed while being polled (CVE-2022-2938)

    * kernel: u8 overflow problem in cfg80211_update_notlisted_nontrans() (CVE-2022-41674)

    * kernel: use-after-free in bss_ref_get in net/wireless/scan.c (CVE-2022-42720)

    * kernel: BSS list corruption in cfg80211_add_nontrans_list in net/wireless/scan.c (CVE-2022-42721)

    * kernel: Denial of service in beacon protection for P2P-device (CVE-2022-42722)

    * kernel: KVM: x86/mmu: race condition in direct_page_fault() (CVE-2022-45869)

    * kernel: x86/mm: Randomize per-cpu entry area (CVE-2023-0597)

    * kernel: Out-Of-Bounds Read vulnerability in smbCalcSize (CVE-2023-6606)

    * kernel: refcount leak in ctnetlink_create_conntrack() (CVE-2023-7192)

    * kernel: CIFS Filesystem Decryption Improper Input Validation Remote Code Execution Vulnerability in     function receive_encrypted_standard of client (CVE-2024-0565)

    * kernel: use-after-free during a race condition between a nonblocking atomic commit and a driver unload     in drivers/gpu/drm/drm_atomic.c (CVE-2023-51043)

    Bug Fix(es):

    * kernel: u8 overflow problem in cfg80211_update_notlisted_nontrans() (JIRA:RHEL-18732)

    * kernel: use-after-free in bss_ref_get in net/wireless/scan.c (JIRA:RHEL-18733)

    * kernel: BSS list corruption in cfg80211_add_nontrans_list in net/wireless/scan.c (JIRA:RHEL-18734)

    * kernel: Denial of service in beacon protection for P2P-device (JIRA:RHEL-18735)

    * kernel: x86/mm: Randomize per-cpu entry area (JIRA:RHEL-18817)

    * kernel: KVM: x86/mmu: race condition in direct_page_fault() (JIRA:RHEL-18829)

    * kernel: refcount leak in ctnetlink_create_conntrack() (JIRA:RHEL-20297)

    * kernel: use-after-free in tc_new_tfilter() in net/sched/cls_api.c (JIRA:RHEL-20363)

    * kernel: Out-Of-Bounds Read vulnerability in smbCalcSize (JIRA:RHEL-21660)

    * kernel: CIFS Filesystem Decryption Improper Input Validation Remote Code Execution Vulnerability in     function receive_encrypted_standard of client (JIRA:RHEL-22075)

    * kernel: use-after-free during a race condition between a nonblocking atomic commit and a driver unload     in drivers/gpu/drm/drm_atomic.c (JIRA:RHEL-23475)

    * kernel: memory leak in drivers/hid/hid-elo.c (JIRA:RHEL-18557)

    * kernel: out-of-bounds write in hw_atl_utils_fw_rpc_wait() in     drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c (JIRA:RHEL-18798)

    * kernel: use-after-free when psi trigger is destroyed while being polled (JIRA:RHEL-21919)

    * [RHVH] Migration hangs between RHVH release bellow 4.5.1 and RHVH over or equal 4.5.2 release     (JIRA:RHEL-23061)

    * backport smartpqi: fix disable_managed_interrupts (JIRA:RHEL-26137)

    Enhancement(s):

    * [MCHP 8.7 FEAT] Update smartpqi driver to latest upstream Second Set of Patches (JIRA:RHEL-21592)

    * [IBM 8.10 FEAT] Upgrade the qeth driver to latest from upstream, e.g. kernel 6.4 (JIRA:RHEL-25809)

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-7077 advisory.

  - qfq_change_class in net/sched/sch_qfq.c in the Linux kernel before 6.2.13 allows an out-of-bounds write     because lmax can exceed QFQ_MIN_LMAX. (CVE-2023-31436)

  - A use-after-free flaw was found in btsdio_remove in drivers\bluetooth\btsdio.c in the Linux Kernel. In     this flaw, a call to btsdio_remove with an unfinished job, may cause a race problem leading to a UAF on     hdev devices. (CVE-2023-1989)

  - A use-after-free vulnerability in the Linux kernel's net/sched: cls_u32 component can be exploited to     achieve local privilege escalation. When u32_change() is called on an existing filter, the whole     tcf_result struct is always copied into the new instance of the filter. This causes a problem when     updating a filter bound to a class, as tcf_unbind_filter() is always called on the old instance in the     success path, decreasing filter_cnt of the still referenced class and allowing it to be deleted, leading     to a use-after-free. We recommend upgrading past commit 3044b16e7c6fe5d24b1cdbcf1bd0a9d92d1ebd81.
    (CVE-2023-4208)

  - An issue was discovered in drivers/media/dvb-core/dvb_frontend.c in the Linux kernel 6.2. There is a     blocking operation when a task is in !TASK_RUNNING. In dvb_frontend_get_event, wait_event_interruptible is     called; the condition is dvb_frontend_test_event(fepriv,events). In dvb_frontend_test_event,     down(&fepriv->sem) is called. However, wait_event_interruptible would put the process to sleep, and     down(&fepriv->sem) may block the process. (CVE-2023-31084)

  - A flaw was found in pfn_swap_entry_to_page in memory management subsystem in the Linux Kernel. In this     flaw, an attacker with a local user privilege may cause a denial of service problem due to a BUG statement     referencing pmd_t x. (CVE-2023-4732)

  - A flaw was found in KVM AMD Secure Encrypted Virtualization (SEV) in the Linux kernel. A KVM guest using     SEV-ES or SEV-SNP with multiple vCPUs can trigger a double fetch race condition vulnerability and invoke     the `VMGEXIT` handler recursively. If an attacker manages to call the handler multiple times, they can     trigger a stack overflow and cause a denial of service or potentially guest-to-host escape in kernel     configurations without stack guard pages (`CONFIG_VMAP_STACK`). (CVE-2023-4155)

  - A vulnerability was found in Linux Kernel. It has been declared as problematic. Affected by this     vulnerability is the function intr_callback of the file drivers/net/usb/r8152.c of the component BPF. The     manipulation leads to logging of excessive data. The attack can be launched remotely. It is recommended to     apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211363.
    (CVE-2022-3594)

  - A speculative pointer dereference problem exists in the Linux Kernel on the do_prlimit() function. The     resource argument value is controlled and is used in pointer arithmetic for the 'rlim' variable and can be     used to leak the contents. We recommend upgrading past version 6.1.8 or commit     739790605705ddcf18f21782b9c99ad7d53a8c11 (CVE-2023-0458)

  - A use-after-free vulnerability in the Linux kernel's net/sched: cls_fw component can be exploited to     achieve local privilege escalation. When fw_change() is called on an existing filter, the whole tcf_result     struct is always copied into the new instance of the filter. This causes a problem when updating a filter     bound to a class, as tcf_unbind_filter() is always called on the old instance in the success path,     decreasing filter_cnt of the still referenced class and allowing it to be deleted, leading to a use-after-     free. We recommend upgrading past commit 76e42ae831991c828cffa8c37736ebfb831ad5ec. (CVE-2023-4207)

  - Information exposure through microarchitectural state after transient execution in certain vector     execution units for some Intel(R) Processors may allow an authenticated user to potentially enable     information disclosure via local access. (CVE-2022-40982)

  - A memory leak flaw was found in the Linux kernel's Stream Control Transmission Protocol. This issue may     occur when a user starts a malicious networking service and someone connects to this service. This could     allow a local user to starve resources, causing a denial of service. (CVE-2023-1074)

  - A flaw was found in the Linux Kernel. The tls_is_tx_ready() incorrectly checks for list emptiness,     potentially accessing a type confused entry to the list_head, leaking the last byte of the confused field     that overlaps with rec->tx_ready. (CVE-2023-1075)

  - A use-after-free flaw was found in xgene_hwmon_remove in drivers/hwmon/xgene-hwmon.c in the Hardware     Monitoring Linux Kernel Driver (xgene-hwmon). This flaw could allow a local attacker to crash the system     due to a race problem. This vulnerability could even lead to a kernel information leak problem.
    (CVE-2023-1855)

  - The Linux kernel allows userspace processes to enable mitigations by calling prctl with     PR_SET_SPECULATION_CTRL which disables the speculation feature as well as by using seccomp. We had noticed     that on VMs of at least one major cloud provider, the kernel still left the victim process exposed to     attacks in some cases even after enabling the spectre-BTI mitigation with prctl. The same behavior can be     observed on a bare-metal machine when forcing the mitigation to IBRS on boot command line. This happened     because when plain IBRS was enabled (not enhanced IBRS), the kernel had some logic that determined that     STIBP was not needed. The IBRS bit implicitly protects against cross-thread branch target injection.
    However, with legacy IBRS, the IBRS bit was cleared on returning to userspace, due to performance reasons,     which disabled the implicit STIBP and left userspace threads vulnerable to cross-thread branch target     injection against which STIBP protects. (CVE-2023-1998)

  - A use-after-free(UAF) vulnerability was found in function 'vmw_execbuf_tie_context' in     drivers/gpu/vmxgfx/vmxgfx_execbuf.c in Linux kernel's vmwgfx driver with device file '/dev/dri/renderD128     (or Dxxx)'. This flaw allows a local attacker with a user account on the system to gain privilege, causing     a denial of service(DoS). (CVE-2022-40133)

  - atm_tc_enqueue in net/sched/sch_atm.c in the Linux kernel through 6.1.4 allows attackers to cause a denial     of service because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition     rather than valid classification results). (CVE-2023-23455)

  - In the Linux kernel before 6.1.13, there is a double free in net/mpls/af_mpls.c upon an allocation failure     (for registering the sysctl table under a new location) during the renaming of a device. (CVE-2023-26545)

  - A race condition in the x86 KVM subsystem in the Linux kernel through 6.1-rc6 allows guest OS users to     cause a denial of service (host OS crash or host OS memory corruption) when nested virtualisation and the     TDP MMU are enabled. (CVE-2022-45869)

  - A flaw was found in the Linux kernel. A use-after-free may be triggered in asus_kbd_backlight_set when     plugging/disconnecting in a malicious USB device, which advertises itself as an Asus device. Similarly to     the previous known CVE-2023-25012, but in asus devices, the work_struct may be scheduled by the LED     controller while the device is disconnecting, triggering a use-after-free on the struct asus_kbd_leds *led     structure. A malicious USB device may exploit the issue to cause memory corruption with controlled data.
    (CVE-2023-1079)

  - A use-after-free vulnerability was found in the Linux kernel's ext4 filesystem in the way it handled the     extra inode size for extended attributes. This flaw could allow a privileged local user to cause a system     crash or other undefined behaviors. (CVE-2023-2513)

  - A use-after-free flaw was found in r592_remove in drivers/memstick/host/r592.c in media access in the     Linux Kernel. This flaw allows a local attacker to crash the system at device disconnect, possibly leading     to a kernel information leak. (CVE-2023-3141)

  - An out of bounds (OOB) memory access flaw was found in the Linux kernel in relay_file_read_start_pos in     kernel/relay.c in the relayfs. This flaw could allow a local attacker to crash the system or leak kernel     internal information. (CVE-2023-3268)

  - A vulnerability, which was classified as critical, was found in Linux Kernel. Affected is the function     l2cap_conn_del of the file net/bluetooth/l2cap_core.c of the component Bluetooth. The manipulation leads     to use after free. It is recommended to apply a patch to fix this issue. The identifier of this     vulnerability is VDB-211944. (CVE-2022-3640)

  - An out-of-bounds write vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited     to achieve local privilege escalation. The qfq_change_agg() function in net/sched/sch_qfq.c allows an out-     of-bounds write because lmax is updated according to packet sizes without bounds checks. We recommend     upgrading past commit 3e337087c3b5805fe0b8a46ba622a962880b5d64. (CVE-2023-3611)

  - In the Linux kernel through 5.15.2, hw_atl_utils_fw_rpc_wait in     drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c allows an attacker (who can introduce a     crafted device) to trigger an out-of-bounds write via a crafted length value. (CVE-2021-43975)

  - A double-free flaw was found in the Linux kernel's TUN/TAP device driver functionality in how a user     registers the device when the register_netdevice function fails (NETDEV_REGISTER notifier). This flaw     allows a local user to crash or potentially escalate their privileges on the system. (CVE-2022-4744)

  - A use-after-free(UAF) vulnerability was found in function 'vmw_cmd_res_check' in     drivers/gpu/vmxgfx/vmxgfx_execbuf.c in Linux kernel's vmwgfx driver with device file '/dev/dri/renderD128     (or Dxxx)'. This flaw allows a local attacker with a user account on the system to gain privilege, causing     a denial of service(DoS). (CVE-2022-38457)

  - There is an infoleak vulnerability in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_parse_conf_req     function which can be used to leak kernel pointers remotely. We recommend upgrading past commit     https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e     https://www.google.com/url (CVE-2022-42895)

  - A flaw possibility of memory leak in the Linux kernel cpu_entry_area mapping of X86 CPU data to memory was     found in the way user can guess location of exception stack(s) or other important data. A local user could     use this flaw to get access to some important data with expected location in memory. (CVE-2023-0597)

  - A NULL pointer dereference issue was found in the gfs2 file system in the Linux kernel. It occurs on     corrupt gfs2 file systems when the evict code tries to reference the journal descriptor structure after it     has been freed and set to NULL. A privileged local user could use this flaw to cause a kernel panic.
    (CVE-2023-3212)

  - A use-after-free vulnerability in the Linux kernel's net/sched: cls_u32 component can be exploited to     achieve local privilege escalation. If tcf_change_indev() fails, u32_set_parms() will immediately return     an error after incrementing or decrementing the reference counter in tcf_bind_filter(). If an attacker can     control the reference counter and set it to zero, they can cause the reference to be freed, leading to a     use-after-free vulnerability. We recommend upgrading past commit 04c55383fa5689357bcdd2c8036725a55ed632bc.
    (CVE-2023-3609)

  - An issue was discovered in the Linux kernel before 6.3.2. A use-after-free was found in saa7134_finidev in     drivers/media/pci/saa7134/saa7134-core.c. (CVE-2023-35823)

  - A flaw use after free in the Linux kernel integrated infrared receiver/transceiver driver was found in the     way user detaching rc device. A local user could use this flaw to crash the system or potentially escalate     their privileges on the system. (CVE-2023-1118)

  - A use-after-free flaw was found in the Linux kernel's Ext4 File System in how a user triggers several file     operations simultaneously with the overlay FS usage. This flaw allows a local user to crash or potentially     escalate their privileges on the system. Only if patch 9a2544037600 (ovl: fix use after free in struct     ovl_aio_req) not applied yet, the kernel could be affected. (CVE-2023-1252)

  - usb_8dev_start_xmit in drivers/net/can/usb/usb_8dev.c in the Linux kernel through 5.17.1 has a double     free. (CVE-2022-28388)

  - An issue was discovered in the Linux kernel through 6.0.9. drivers/media/usb/ttusb-dec/ttusb_dec.c has a     memory leak because of the lack of a dvb_frontend_detach call. (CVE-2022-45887)

  - A use-after-free flaw was found in qdisc_graft in net/sched/sch_api.c in the Linux Kernel due to a race     problem. This flaw leads to a denial of service issue. If patch ebda44da44f6 (net: sched: fix race     condition in qdisc_graft()) not applied yet, then kernel could be affected. (CVE-2023-0590)

  - A hash collision flaw was found in the IPv6 connection lookup table in the Linux kernel's IPv6     functionality when a user makes a new kind of SYN flood attack. A user located in the local network or     with a high bandwidth connection can increase the CPU usage of the server that accepts IPV6 connections up     to 95%. (CVE-2023-1206)

  - A data race flaw was found in the Linux kernel, between where con is allocated and con->sock is set. This     issue leads to a NULL pointer dereference when accessing con->sock->sk in net/tipc/topsrv.c in the tipc     protocol in the Linux kernel. (CVE-2023-1382)

  - A use-after-free vulnerability was found in the siano smsusb module in the Linux kernel. The bug occurs     during device initialization when the siano device is plugged in. This flaw allows a local user to crash     the system, causing a denial of service condition. (CVE-2023-4132)

  - An issue was discovered in the Linux kernel before 5.13.3. lib/seq_buf.c has a seq_buf_putmem_hex buffer     overflow. (CVE-2023-28772)

  - An issue was discovered in arch/x86/kvm/vmx/nested.c in the Linux kernel before 6.2.8. nVMX on x86_64     lacks consistency checks for CR0 and CR4. (CVE-2023-30456)

  - The Linux kernel before 6.2.9 has a race condition and resultant use-after-free in     drivers/net/ethernet/qualcomm/emac/emac.c if a physically proximate attacker unplugs an emac based device.
    (CVE-2023-33203)

  - A race condition vulnerability was found in the vmwgfx driver in the Linux kernel. The flaw exists within     the handling of GEM objects. The issue results from improper locking when performing operations on an     object. This flaw allows a local privileged user to disclose information in the context of the kernel.
    (CVE-2023-33951)

  - An issue was discovered in the Linux kernel before 6.3.2. A use-after-free was found in dm1105_remove in     drivers/media/pci/dm1105/dm1105.c. (CVE-2023-35824)

  - A memory corruption flaw was found in the Linux kernel's human interface device (HID) subsystem in how a     user inserts a malicious USB device. This flaw allows a local user to crash or potentially escalate their     privileges on the system. (CVE-2023-1073)

  - A flaw was found in the Framebuffer Console (fbcon) in the Linux Kernel. When providing font->width and     font->height greater than 32 to fbcon_set_font, since there are no checks in place, a shift-out-of-bounds     occurs leading to undefined behavior and possible denial of service. (CVE-2023-3161)

  - A flaw was found in the Linux kernel's IP framework for transforming packets (XFRM subsystem). This issue     may allow a malicious user with CAP_NET_ADMIN privileges to directly dereference a NULL pointer in     xfrm_update_ae_params(), leading to a possible kernel crash and denial of service. (CVE-2023-3772)

  - A use-after-free vulnerability in the Linux kernel's net/sched: cls_route component can be exploited to     achieve local privilege escalation. When route4_change() is called on an existing filter, the whole     tcf_result struct is always copied into the new instance of the filter. This causes a problem when     updating a filter bound to a class, as tcf_unbind_filter() is always called on the old instance in the     success path, decreasing filter_cnt of the still referenced class and allowing it to be deleted, leading     to a use-after-free. We recommend upgrading past commit b80b829e9e2c1b3f7aae34855e04d8f6ecaf13c8.
    (CVE-2023-4206)

  - A NULL pointer dereference flaw was found in the az6027 driver in drivers/media/usb/dev-usb/az6027.c in     the Linux Kernel. The message from user space is not checked properly before transferring into the device.
    This flaw allows a local user to crash the system or potentially cause a denial of service.
    (CVE-2023-28328)

  - A double-free vulnerability was found in the vmwgfx driver in the Linux kernel. The flaw exists within the     handling of vmw_buffer_object objects. The issue results from the lack of validating the existence of an     object prior to performing further free operations on the object. This flaw allows a local privileged user     to escalate privileges and execute code in the context of the kernel. (CVE-2023-33952)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:7077 advisory.

  - In the Linux kernel through 5.15.2, hw_atl_utils_fw_rpc_wait in     drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c allows an attacker (who can introduce a     crafted device) to trigger an out-of-bounds write via a crafted length value. (CVE-2021-43975)

  - usb_8dev_start_xmit in drivers/net/can/usb/usb_8dev.c in the Linux kernel through 5.17.1 has a double     free. (CVE-2022-28388)

  - A vulnerability was found in Linux Kernel. It has been declared as problematic. Affected by this     vulnerability is the function intr_callback of the file drivers/net/usb/r8152.c of the component BPF. The     manipulation leads to logging of excessive data. The attack can be launched remotely. It is recommended to     apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211363.
    (CVE-2022-3594)

  - A vulnerability, which was classified as critical, was found in Linux Kernel. Affected is the function     l2cap_conn_del of the file net/bluetooth/l2cap_core.c of the component Bluetooth. The manipulation leads     to use after free. It is recommended to apply a patch to fix this issue. The identifier of this     vulnerability is VDB-211944. (CVE-2022-3640)

  - A use-after-free(UAF) vulnerability was found in function 'vmw_cmd_res_check' in     drivers/gpu/vmxgfx/vmxgfx_execbuf.c in Linux kernel's vmwgfx driver with device file '/dev/dri/renderD128     (or Dxxx)'. This flaw allows a local attacker with a user account on the system to gain privilege, causing     a denial of service(DoS). (CVE-2022-38457)

  - A use-after-free(UAF) vulnerability was found in function 'vmw_execbuf_tie_context' in     drivers/gpu/vmxgfx/vmxgfx_execbuf.c in Linux kernel's vmwgfx driver with device file '/dev/dri/renderD128     (or Dxxx)'. This flaw allows a local attacker with a user account on the system to gain privilege, causing     a denial of service(DoS). (CVE-2022-40133)

  - Information exposure through microarchitectural state after transient execution in certain vector     execution units for some Intel(R) Processors may allow an authenticated user to potentially enable     information disclosure via local access. (CVE-2022-40982)

  - There is an infoleak vulnerability in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_parse_conf_req     function which can be used to leak kernel pointers remotely. We recommend upgrading past commit     https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e     https://www.google.com/url (CVE-2022-42895)

  - A race condition in the x86 KVM subsystem in the Linux kernel through 6.1-rc6 allows guest OS users to     cause a denial of service (host OS crash or host OS memory corruption) when nested virtualisation and the     TDP MMU are enabled. (CVE-2022-45869)

  - An issue was discovered in the Linux kernel through 6.0.9. drivers/media/usb/ttusb-dec/ttusb_dec.c has a     memory leak because of the lack of a dvb_frontend_detach call. (CVE-2022-45887)

  - A double-free flaw was found in the Linux kernel's TUN/TAP device driver functionality in how a user     registers the device when the register_netdevice function fails (NETDEV_REGISTER notifier). This flaw     allows a local user to crash or potentially escalate their privileges on the system. (CVE-2022-4744)

  - A speculative pointer dereference problem exists in the Linux Kernel on the do_prlimit() function. The     resource argument value is controlled and is used in pointer arithmetic for the 'rlim' variable and can be     used to leak the contents. We recommend upgrading past version 6.1.8 or commit     739790605705ddcf18f21782b9c99ad7d53a8c11 (CVE-2023-0458)

  - A use-after-free flaw was found in qdisc_graft in net/sched/sch_api.c in the Linux Kernel due to a race     problem. This flaw leads to a denial of service issue. If patch ebda44da44f6 (net: sched: fix race     condition in qdisc_graft()) not applied yet, then kernel could be affected. (CVE-2023-0590)

  - A flaw possibility of memory leak in the Linux kernel cpu_entry_area mapping of X86 CPU data to memory was     found in the way user can guess location of exception stack(s) or other important data. A local user could     use this flaw to get access to some important data with expected location in memory. (CVE-2023-0597)

  - A memory corruption flaw was found in the Linux kernel's human interface device (HID) subsystem in how a     user inserts a malicious USB device. This flaw allows a local user to crash or potentially escalate their     privileges on the system. (CVE-2023-1073)

  - A memory leak flaw was found in the Linux kernel's Stream Control Transmission Protocol. This issue may     occur when a user starts a malicious networking service and someone connects to this service. This could     allow a local user to starve resources, causing a denial of service. (CVE-2023-1074)

  - A flaw was found in the Linux Kernel. The tls_is_tx_ready() incorrectly checks for list emptiness,     potentially accessing a type confused entry to the list_head, leaking the last byte of the confused field     that overlaps with rec->tx_ready. (CVE-2023-1075)

  - A flaw was found in the Linux kernel. A use-after-free may be triggered in asus_kbd_backlight_set when     plugging/disconnecting in a malicious USB device, which advertises itself as an Asus device. Similarly to     the previous known CVE-2023-25012, but in asus devices, the work_struct may be scheduled by the LED     controller while the device is disconnecting, triggering a use-after-free on the struct asus_kbd_leds *led     structure. A malicious USB device may exploit the issue to cause memory corruption with controlled data.
    (CVE-2023-1079)

  - A flaw use after free in the Linux kernel integrated infrared receiver/transceiver driver was found in the     way user detaching rc device. A local user could use this flaw to crash the system or potentially escalate     their privileges on the system. (CVE-2023-1118)

  - A hash collision flaw was found in the IPv6 connection lookup table in the Linux kernel's IPv6     functionality when a user makes a new kind of SYN flood attack. A user located in the local network or     with a high bandwidth connection can increase the CPU usage of the server that accepts IPV6 connections up     to 95%. (CVE-2023-1206)

  - A use-after-free flaw was found in the Linux kernel's Ext4 File System in how a user triggers several file     operations simultaneously with the overlay FS usage. This flaw allows a local user to crash or potentially     escalate their privileges on the system. Only if patch 9a2544037600 (ovl: fix use after free in struct     ovl_aio_req) not applied yet, the kernel could be affected. (CVE-2023-1252)

  - A data race flaw was found in the Linux kernel, between where con is allocated and con->sock is set. This     issue leads to a NULL pointer dereference when accessing con->sock->sk in net/tipc/topsrv.c in the tipc     protocol in the Linux kernel. (CVE-2023-1382)

  - A use-after-free flaw was found in xgene_hwmon_remove in drivers/hwmon/xgene-hwmon.c in the Hardware     Monitoring Linux Kernel Driver (xgene-hwmon). This flaw could allow a local attacker to crash the system     due to a race problem. This vulnerability could even lead to a kernel information leak problem.
    (CVE-2023-1855)

  - A use-after-free flaw was found in btsdio_remove in drivers\bluetooth\btsdio.c in the Linux Kernel. In     this flaw, a call to btsdio_remove with an unfinished job, may cause a race problem leading to a UAF on     hdev devices. (CVE-2023-1989)

  - The Linux kernel allows userspace processes to enable mitigations by calling prctl with     PR_SET_SPECULATION_CTRL which disables the speculation feature as well as by using seccomp. We had noticed     that on VMs of at least one major cloud provider, the kernel still left the victim process exposed to     attacks in some cases even after enabling the spectre-BTI mitigation with prctl. The same behavior can be     observed on a bare-metal machine when forcing the mitigation to IBRS on boot command line. This happened     because when plain IBRS was enabled (not enhanced IBRS), the kernel had some logic that determined that     STIBP was not needed. The IBRS bit implicitly protects against cross-thread branch target injection.
    However, with legacy IBRS, the IBRS bit was cleared on returning to userspace, due to performance reasons,     which disabled the implicit STIBP and left userspace threads vulnerable to cross-thread branch target     injection against which STIBP protects. (CVE-2023-1998)

  - atm_tc_enqueue in net/sched/sch_atm.c in the Linux kernel through 6.1.4 allows attackers to cause a denial     of service because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition     rather than valid classification results). (CVE-2023-23455)

  - A use-after-free vulnerability was found in the Linux kernel's ext4 filesystem in the way it handled the     extra inode size for extended attributes. This flaw could allow a privileged local user to cause a system     crash or other undefined behaviors. (CVE-2023-2513)

  - In the Linux kernel before 6.1.13, there is a double free in net/mpls/af_mpls.c upon an allocation failure     (for registering the sysctl table under a new location) during the renaming of a device. (CVE-2023-26545)

  - A NULL pointer dereference flaw was found in the az6027 driver in drivers/media/usb/dev-usb/az6027.c in     the Linux Kernel. The message from user space is not checked properly before transferring into the device.
    This flaw allows a local user to crash the system or potentially cause a denial of service.
    (CVE-2023-28328)

  - An issue was discovered in the Linux kernel before 5.13.3. lib/seq_buf.c has a seq_buf_putmem_hex buffer     overflow. (CVE-2023-28772)

  - An issue was discovered in arch/x86/kvm/vmx/nested.c in the Linux kernel before 6.2.8. nVMX on x86_64     lacks consistency checks for CR0 and CR4. (CVE-2023-30456)

  - An issue was discovered in drivers/media/dvb-core/dvb_frontend.c in the Linux kernel 6.2. There is a     blocking operation when a task is in !TASK_RUNNING. In dvb_frontend_get_event, wait_event_interruptible is     called; the condition is dvb_frontend_test_event(fepriv,events). In dvb_frontend_test_event,     down(&fepriv->sem) is called. However, wait_event_interruptible would put the process to sleep, and     down(&fepriv->sem) may block the process. (CVE-2023-31084)

  - A use-after-free flaw was found in r592_remove in drivers/memstick/host/r592.c in media access in the     Linux Kernel. This flaw allows a local attacker to crash the system at device disconnect, possibly leading     to a kernel information leak. (CVE-2023-3141)

  - qfq_change_class in net/sched/sch_qfq.c in the Linux kernel before 6.2.13 allows an out-of-bounds write     because lmax can exceed QFQ_MIN_LMAX. (CVE-2023-31436)

  - A flaw was found in the Framebuffer Console (fbcon) in the Linux Kernel. When providing font->width and     font->height greater than 32 to fbcon_set_font, since there are no checks in place, a shift-out-of-bounds     occurs leading to undefined behavior and possible denial of service. (CVE-2023-3161)

  - A NULL pointer dereference issue was found in the gfs2 file system in the Linux kernel. It occurs on     corrupt gfs2 file systems when the evict code tries to reference the journal descriptor structure after it     has been freed and set to NULL. A privileged local user could use this flaw to cause a kernel panic.
    (CVE-2023-3212)

  - An out of bounds (OOB) memory access flaw was found in the Linux kernel in relay_file_read_start_pos in     kernel/relay.c in the relayfs. This flaw could allow a local attacker to crash the system or leak kernel     internal information. (CVE-2023-3268)

  - The Linux kernel before 6.2.9 has a race condition and resultant use-after-free in     drivers/net/ethernet/qualcomm/emac/emac.c if a physically proximate attacker unplugs an emac based device.
    (CVE-2023-33203)

  - A race condition vulnerability was found in the vmwgfx driver in the Linux kernel. The flaw exists within     the handling of GEM objects. The issue results from improper locking when performing operations on an     object. This flaw allows a local privileged user to disclose information in the context of the kernel.
    (CVE-2023-33951)

  - A double-free vulnerability was found in the vmwgfx driver in the Linux kernel. The flaw exists within the     handling of vmw_buffer_object objects. The issue results from the lack of validating the existence of an     object prior to performing further free operations on the object. This flaw allows a local privileged user     to escalate privileges and execute code in the context of the kernel. (CVE-2023-33952)

  - An issue was discovered in the Linux kernel before 6.3.2. A use-after-free was found in saa7134_finidev in     drivers/media/pci/saa7134/saa7134-core.c. (CVE-2023-35823)

  - An issue was discovered in the Linux kernel before 6.3.2. A use-after-free was found in dm1105_remove in     drivers/media/pci/dm1105/dm1105.c. (CVE-2023-35824)

  - A use-after-free vulnerability in the Linux kernel's net/sched: cls_u32 component can be exploited to     achieve local privilege escalation. If tcf_change_indev() fails, u32_set_parms() will immediately return     an error after incrementing or decrementing the reference counter in tcf_bind_filter(). If an attacker can     control the reference counter and set it to zero, they can cause the reference to be freed, leading to a     use-after-free vulnerability. We recommend upgrading past commit 04c55383fa5689357bcdd2c8036725a55ed632bc.
    (CVE-2023-3609)

  - An out-of-bounds write vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited     to achieve local privilege escalation. The qfq_change_agg() function in net/sched/sch_qfq.c allows an out-     of-bounds write because lmax is updated according to packet sizes without bounds checks. We recommend     upgrading past commit 3e337087c3b5805fe0b8a46ba622a962880b5d64. (CVE-2023-3611)

  - A flaw was found in the Linux kernel's IP framework for transforming packets (XFRM subsystem). This issue     may allow a malicious user with CAP_NET_ADMIN privileges to directly dereference a NULL pointer in     xfrm_update_ae_params(), leading to a possible kernel crash and denial of service. (CVE-2023-3772)

  - A use-after-free vulnerability was found in the siano smsusb module in the Linux kernel. The bug occurs     during device initialization when the siano device is plugged in. This flaw allows a local user to crash     the system, causing a denial of service condition. (CVE-2023-4132)

  - A flaw was found in KVM AMD Secure Encrypted Virtualization (SEV) in the Linux kernel. A KVM guest using     SEV-ES or SEV-SNP with multiple vCPUs can trigger a double fetch race condition vulnerability and invoke     the `VMGEXIT` handler recursively. If an attacker manages to call the handler multiple times, they can     trigger a stack overflow and cause a denial of service or potentially guest-to-host escape in kernel     configurations without stack guard pages (`CONFIG_VMAP_STACK`). (CVE-2023-4155)

  - A use-after-free vulnerability in the Linux kernel's net/sched: cls_route component can be exploited to     achieve local privilege escalation. When route4_change() is called on an existing filter, the whole     tcf_result struct is always copied into the new instance of the filter. This causes a problem when     updating a filter bound to a class, as tcf_unbind_filter() is always called on the old instance in the     success path, decreasing filter_cnt of the still referenced class and allowing it to be deleted, leading     to a use-after-free. We recommend upgrading past commit b80b829e9e2c1b3f7aae34855e04d8f6ecaf13c8.
    (CVE-2023-4206)

  - A use-after-free vulnerability in the Linux kernel's net/sched: cls_fw component can be exploited to     achieve local privilege escalation. When fw_change() is called on an existing filter, the whole tcf_result     struct is always copied into the new instance of the filter. This causes a problem when updating a filter     bound to a class, as tcf_unbind_filter() is always called on the old instance in the success path,     decreasing filter_cnt of the still referenced class and allowing it to be deleted, leading to a use-after-     free. We recommend upgrading past commit 76e42ae831991c828cffa8c37736ebfb831ad5ec. (CVE-2023-4207)

  - A use-after-free vulnerability in the Linux kernel's net/sched: cls_u32 component can be exploited to     achieve local privilege escalation. When u32_change() is called on an existing filter, the whole     tcf_result struct is always copied into the new instance of the filter. This causes a problem when     updating a filter bound to a class, as tcf_unbind_filter() is always called on the old instance in the     success path, decreasing filter_cnt of the still referenced class and allowing it to be deleted, leading     to a use-after-free. We recommend upgrading past commit 3044b16e7c6fe5d24b1cdbcf1bd0a9d92d1ebd81.
    (CVE-2023-4208)

  - A flaw was found in pfn_swap_entry_to_page in memory management subsystem in the Linux Kernel. In this     flaw, an attacker with a local user privilege may cause a denial of service problem due to a BUG statement     referencing pmd_t x. (CVE-2023-4732)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:6901 advisory.

  - In the Linux kernel through 5.15.2, hw_atl_utils_fw_rpc_wait in     drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c allows an attacker (who can introduce a     crafted device) to trigger an out-of-bounds write via a crafted length value. (CVE-2021-43975)

  - usb_8dev_start_xmit in drivers/net/can/usb/usb_8dev.c in the Linux kernel through 5.17.1 has a double     free. (CVE-2022-28388)

  - A vulnerability was found in Linux Kernel. It has been declared as problematic. Affected by this     vulnerability is the function intr_callback of the file drivers/net/usb/r8152.c of the component BPF. The     manipulation leads to logging of excessive data. The attack can be launched remotely. It is recommended to     apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211363.
    (CVE-2022-3594)

  - A vulnerability, which was classified as critical, was found in Linux Kernel. Affected is the function     l2cap_conn_del of the file net/bluetooth/l2cap_core.c of the component Bluetooth. The manipulation leads     to use after free. It is recommended to apply a patch to fix this issue. The identifier of this     vulnerability is VDB-211944. (CVE-2022-3640)

  - A use-after-free(UAF) vulnerability was found in function 'vmw_cmd_res_check' in     drivers/gpu/vmxgfx/vmxgfx_execbuf.c in Linux kernel's vmwgfx driver with device file '/dev/dri/renderD128     (or Dxxx)'. This flaw allows a local attacker with a user account on the system to gain privilege, causing     a denial of service(DoS). (CVE-2022-38457)

  - A use-after-free(UAF) vulnerability was found in function 'vmw_execbuf_tie_context' in     drivers/gpu/vmxgfx/vmxgfx_execbuf.c in Linux kernel's vmwgfx driver with device file '/dev/dri/renderD128     (or Dxxx)'. This flaw allows a local attacker with a user account on the system to gain privilege, causing     a denial of service(DoS). (CVE-2022-40133)

  - Information exposure through microarchitectural state after transient execution in certain vector     execution units for some Intel(R) Processors may allow an authenticated user to potentially enable     information disclosure via local access. (CVE-2022-40982)

  - There is an infoleak vulnerability in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_parse_conf_req     function which can be used to leak kernel pointers remotely. We recommend upgrading past commit     https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e     https://www.google.com/url (CVE-2022-42895)

  - A race condition in the x86 KVM subsystem in the Linux kernel through 6.1-rc6 allows guest OS users to     cause a denial of service (host OS crash or host OS memory corruption) when nested virtualisation and the     TDP MMU are enabled. (CVE-2022-45869)

  - An issue was discovered in the Linux kernel through 6.0.9. drivers/media/usb/ttusb-dec/ttusb_dec.c has a     memory leak because of the lack of a dvb_frontend_detach call. (CVE-2022-45887)

  - A double-free flaw was found in the Linux kernel's TUN/TAP device driver functionality in how a user     registers the device when the register_netdevice function fails (NETDEV_REGISTER notifier). This flaw     allows a local user to crash or potentially escalate their privileges on the system. (CVE-2022-4744)

  - A speculative pointer dereference problem exists in the Linux Kernel on the do_prlimit() function. The     resource argument value is controlled and is used in pointer arithmetic for the 'rlim' variable and can be     used to leak the contents. We recommend upgrading past version 6.1.8 or commit     739790605705ddcf18f21782b9c99ad7d53a8c11 (CVE-2023-0458)

  - A use-after-free flaw was found in qdisc_graft in net/sched/sch_api.c in the Linux Kernel due to a race     problem. This flaw leads to a denial of service issue. If patch ebda44da44f6 (net: sched: fix race     condition in qdisc_graft()) not applied yet, then kernel could be affected. (CVE-2023-0590)

  - A flaw possibility of memory leak in the Linux kernel cpu_entry_area mapping of X86 CPU data to memory was     found in the way user can guess location of exception stack(s) or other important data. A local user could     use this flaw to get access to some important data with expected location in memory. (CVE-2023-0597)

  - A memory corruption flaw was found in the Linux kernel's human interface device (HID) subsystem in how a     user inserts a malicious USB device. This flaw allows a local user to crash or potentially escalate their     privileges on the system. (CVE-2023-1073)

  - A memory leak flaw was found in the Linux kernel's Stream Control Transmission Protocol. This issue may     occur when a user starts a malicious networking service and someone connects to this service. This could     allow a local user to starve resources, causing a denial of service. (CVE-2023-1074)

  - A flaw was found in the Linux Kernel. The tls_is_tx_ready() incorrectly checks for list emptiness,     potentially accessing a type confused entry to the list_head, leaking the last byte of the confused field     that overlaps with rec->tx_ready. (CVE-2023-1075)

  - A flaw was found in the Linux kernel. A use-after-free may be triggered in asus_kbd_backlight_set when     plugging/disconnecting in a malicious USB device, which advertises itself as an Asus device. Similarly to     the previous known CVE-2023-25012, but in asus devices, the work_struct may be scheduled by the LED     controller while the device is disconnecting, triggering a use-after-free on the struct asus_kbd_leds *led     structure. A malicious USB device may exploit the issue to cause memory corruption with controlled data.
    (CVE-2023-1079)

  - A flaw use after free in the Linux kernel integrated infrared receiver/transceiver driver was found in the     way user detaching rc device. A local user could use this flaw to crash the system or potentially escalate     their privileges on the system. (CVE-2023-1118)

  - A hash collision flaw was found in the IPv6 connection lookup table in the Linux kernel's IPv6     functionality when a user makes a new kind of SYN flood attack. A user located in the local network or     with a high bandwidth connection can increase the CPU usage of the server that accepts IPV6 connections up     to 95%. (CVE-2023-1206)

  - A use-after-free flaw was found in the Linux kernel's Ext4 File System in how a user triggers several file     operations simultaneously with the overlay FS usage. This flaw allows a local user to crash or potentially     escalate their privileges on the system. Only if patch 9a2544037600 (ovl: fix use after free in struct     ovl_aio_req) not applied yet, the kernel could be affected. (CVE-2023-1252)

  - A data race flaw was found in the Linux kernel, between where con is allocated and con->sock is set. This     issue leads to a NULL pointer dereference when accessing con->sock->sk in net/tipc/topsrv.c in the tipc     protocol in the Linux kernel. (CVE-2023-1382)

  - A use-after-free flaw was found in xgene_hwmon_remove in drivers/hwmon/xgene-hwmon.c in the Hardware     Monitoring Linux Kernel Driver (xgene-hwmon). This flaw could allow a local attacker to crash the system     due to a race problem. This vulnerability could even lead to a kernel information leak problem.
    (CVE-2023-1855)

  - A use-after-free flaw was found in btsdio_remove in drivers\bluetooth\btsdio.c in the Linux Kernel. In     this flaw, a call to btsdio_remove with an unfinished job, may cause a race problem leading to a UAF on     hdev devices. (CVE-2023-1989)

  - The Linux kernel allows userspace processes to enable mitigations by calling prctl with     PR_SET_SPECULATION_CTRL which disables the speculation feature as well as by using seccomp. We had noticed     that on VMs of at least one major cloud provider, the kernel still left the victim process exposed to     attacks in some cases even after enabling the spectre-BTI mitigation with prctl. The same behavior can be     observed on a bare-metal machine when forcing the mitigation to IBRS on boot command line. This happened     because when plain IBRS was enabled (not enhanced IBRS), the kernel had some logic that determined that     STIBP was not needed. The IBRS bit implicitly protects against cross-thread branch target injection.
    However, with legacy IBRS, the IBRS bit was cleared on returning to userspace, due to performance reasons,     which disabled the implicit STIBP and left userspace threads vulnerable to cross-thread branch target     injection against which STIBP protects. (CVE-2023-1998)

  - atm_tc_enqueue in net/sched/sch_atm.c in the Linux kernel through 6.1.4 allows attackers to cause a denial     of service because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition     rather than valid classification results). (CVE-2023-23455)

  - A use-after-free vulnerability was found in the Linux kernel's ext4 filesystem in the way it handled the     extra inode size for extended attributes. This flaw could allow a privileged local user to cause a system     crash or other undefined behaviors. (CVE-2023-2513)

  - In the Linux kernel before 6.1.13, there is a double free in net/mpls/af_mpls.c upon an allocation failure     (for registering the sysctl table under a new location) during the renaming of a device. (CVE-2023-26545)

  - A NULL pointer dereference flaw was found in the az6027 driver in drivers/media/usb/dev-usb/az6027.c in     the Linux Kernel. The message from user space is not checked properly before transferring into the device.
    This flaw allows a local user to crash the system or potentially cause a denial of service.
    (CVE-2023-28328)

  - An issue was discovered in the Linux kernel before 5.13.3. lib/seq_buf.c has a seq_buf_putmem_hex buffer     overflow. (CVE-2023-28772)

  - An issue was discovered in arch/x86/kvm/vmx/nested.c in the Linux kernel before 6.2.8. nVMX on x86_64     lacks consistency checks for CR0 and CR4. (CVE-2023-30456)

  - An issue was discovered in drivers/media/dvb-core/dvb_frontend.c in the Linux kernel 6.2. There is a     blocking operation when a task is in !TASK_RUNNING. In dvb_frontend_get_event, wait_event_interruptible is     called; the condition is dvb_frontend_test_event(fepriv,events). In dvb_frontend_test_event,     down(&fepriv->sem) is called. However, wait_event_interruptible would put the process to sleep, and     down(&fepriv->sem) may block the process. (CVE-2023-31084)

  - A use-after-free flaw was found in r592_remove in drivers/memstick/host/r592.c in media access in the     Linux Kernel. This flaw allows a local attacker to crash the system at device disconnect, possibly leading     to a kernel information leak. (CVE-2023-3141)

  - qfq_change_class in net/sched/sch_qfq.c in the Linux kernel before 6.2.13 allows an out-of-bounds write     because lmax can exceed QFQ_MIN_LMAX. (CVE-2023-31436)

  - A flaw was found in the Framebuffer Console (fbcon) in the Linux Kernel. When providing font->width and     font->height greater than 32 to fbcon_set_font, since there are no checks in place, a shift-out-of-bounds     occurs leading to undefined behavior and possible denial of service. (CVE-2023-3161)

  - A NULL pointer dereference issue was found in the gfs2 file system in the Linux kernel. It occurs on     corrupt gfs2 file systems when the evict code tries to reference the journal descriptor structure after it     has been freed and set to NULL. A privileged local user could use this flaw to cause a kernel panic.
    (CVE-2023-3212)

  - An out of bounds (OOB) memory access flaw was found in the Linux kernel in relay_file_read_start_pos in     kernel/relay.c in the relayfs. This flaw could allow a local attacker to crash the system or leak kernel     internal information. (CVE-2023-3268)

  - The Linux kernel before 6.2.9 has a race condition and resultant use-after-free in     drivers/net/ethernet/qualcomm/emac/emac.c if a physically proximate attacker unplugs an emac based device.
    (CVE-2023-33203)

  - A race condition vulnerability was found in the vmwgfx driver in the Linux kernel. The flaw exists within     the handling of GEM objects. The issue results from improper locking when performing operations on an     object. This flaw allows a local privileged user to disclose information in the context of the kernel.
    (CVE-2023-33951)

  - A double-free vulnerability was found in the vmwgfx driver in the Linux kernel. The flaw exists within the     handling of vmw_buffer_object objects. The issue results from the lack of validating the existence of an     object prior to performing further free operations on the object. This flaw allows a local privileged user     to escalate privileges and execute code in the context of the kernel. (CVE-2023-33952)

  - An issue was discovered in the Linux kernel before 6.3.2. A use-after-free was found in saa7134_finidev in     drivers/media/pci/saa7134/saa7134-core.c. (CVE-2023-35823)

  - An issue was discovered in the Linux kernel before 6.3.2. A use-after-free was found in dm1105_remove in     drivers/media/pci/dm1105/dm1105.c. (CVE-2023-35824)

  - A use-after-free vulnerability in the Linux kernel's net/sched: cls_u32 component can be exploited to     achieve local privilege escalation. If tcf_change_indev() fails, u32_set_parms() will immediately return     an error after incrementing or decrementing the reference counter in tcf_bind_filter(). If an attacker can     control the reference counter and set it to zero, they can cause the reference to be freed, leading to a     use-after-free vulnerability. We recommend upgrading past commit 04c55383fa5689357bcdd2c8036725a55ed632bc.
    (CVE-2023-3609)

  - An out-of-bounds write vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited     to achieve local privilege escalation. The qfq_change_agg() function in net/sched/sch_qfq.c allows an out-     of-bounds write because lmax is updated according to packet sizes without bounds checks. We recommend     upgrading past commit 3e337087c3b5805fe0b8a46ba622a962880b5d64. (CVE-2023-3611)

  - A flaw was found in the Linux kernel's IP framework for transforming packets (XFRM subsystem). This issue     may allow a malicious user with CAP_NET_ADMIN privileges to directly dereference a NULL pointer in     xfrm_update_ae_params(), leading to a possible kernel crash and denial of service. (CVE-2023-3772)

  - A use-after-free vulnerability was found in the siano smsusb module in the Linux kernel. The bug occurs     during device initialization when the siano device is plugged in. This flaw allows a local user to crash     the system, causing a denial of service condition. (CVE-2023-4132)

  - A flaw was found in KVM AMD Secure Encrypted Virtualization (SEV) in the Linux kernel. A KVM guest using     SEV-ES or SEV-SNP with multiple vCPUs can trigger a double fetch race condition vulnerability and invoke     the `VMGEXIT` handler recursively. If an attacker manages to call the handler multiple times, they can     trigger a stack overflow and cause a denial of service or potentially guest-to-host escape in kernel     configurations without stack guard pages (`CONFIG_VMAP_STACK`). (CVE-2023-4155)

  - A use-after-free vulnerability in the Linux kernel's net/sched: cls_route component can be exploited to     achieve local privilege escalation. When route4_change() is called on an existing filter, the whole     tcf_result struct is always copied into the new instance of the filter. This causes a problem when     updating a filter bound to a class, as tcf_unbind_filter() is always called on the old instance in the     success path, decreasing filter_cnt of the still referenced class and allowing it to be deleted, leading     to a use-after-free. We recommend upgrading past commit b80b829e9e2c1b3f7aae34855e04d8f6ecaf13c8.
    (CVE-2023-4206)

  - A use-after-free vulnerability in the Linux kernel's net/sched: cls_fw component can be exploited to     achieve local privilege escalation. When fw_change() is called on an existing filter, the whole tcf_result     struct is always copied into the new instance of the filter. This causes a problem when updating a filter     bound to a class, as tcf_unbind_filter() is always called on the old instance in the success path,     decreasing filter_cnt of the still referenced class and allowing it to be deleted, leading to a use-after-     free. We recommend upgrading past commit 76e42ae831991c828cffa8c37736ebfb831ad5ec. (CVE-2023-4207)

  - A use-after-free vulnerability in the Linux kernel's net/sched: cls_u32 component can be exploited to     achieve local privilege escalation. When u32_change() is called on an existing filter, the whole     tcf_result struct is always copied into the new instance of the filter. This causes a problem when     updating a filter bound to a class, as tcf_unbind_filter() is always called on the old instance in the     success path, decreasing filter_cnt of the still referenced class and allowing it to be deleted, leading     to a use-after-free. We recommend upgrading past commit 3044b16e7c6fe5d24b1cdbcf1bd0a9d92d1ebd81.
    (CVE-2023-4208)

  - A flaw was found in pfn_swap_entry_to_page in memory management subsystem in the Linux Kernel. In this     flaw, an attacker with a local user privilege may cause a denial of service problem due to a BUG statement     referencing pmd_t x. (CVE-2023-4732)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2023:4378 advisory.

  - A race condition in the x86 KVM subsystem in the Linux kernel through 6.1-rc6 allows guest OS users to     cause a denial of service (host OS crash or host OS memory corruption) when nested virtualisation and the     TDP MMU are enabled. (CVE-2022-45869)

  - A speculative pointer dereference problem exists in the Linux Kernel on the do_prlimit() function. The     resource argument value is controlled and is used in pointer arithmetic for the 'rlim' variable and can be     used to leak the contents. We recommend upgrading past version 6.1.8 or commit     739790605705ddcf18f21782b9c99ad7d53a8c11 (CVE-2023-0458)

  - The Linux kernel allows userspace processes to enable mitigations by calling prctl with     PR_SET_SPECULATION_CTRL which disables the speculation feature as well as by using seccomp. We had noticed     that on VMs of at least one major cloud provider, the kernel still left the victim process exposed to     attacks in some cases even after enabling the spectre-BTI mitigation with prctl. The same behavior can be     observed on a bare-metal machine when forcing the mitigation to IBRS on boot command line. This happened     because when plain IBRS was enabled (not enhanced IBRS), the kernel had some logic that determined that     STIBP was not needed. The IBRS bit implicitly protects against cross-thread branch target injection.
    However, with legacy IBRS, the IBRS bit was cleared on returning to userspace, due to performance reasons,     which disabled the implicit STIBP and left userspace threads vulnerable to cross-thread branch target     injection against which STIBP protects. (CVE-2023-1998)

  - A heap out-of-bounds write vulnerability in the Linux Kernel ipvlan network driver can be exploited to     achieve local privilege escalation. The out-of-bounds write is caused by missing skb->cb initialization in     the ipvlan network driver. The vulnerability is reachable if CONFIG_IPVLAN is enabled. We recommend     upgrading past commit 90cbed5247439a966b645b34eb0a2e037836ea8e. (CVE-2023-3090)

  - An issue was discovered in fl_set_geneve_opt in net/sched/cls_flower.c in the Linux kernel before 6.3.7.
    It allows an out-of-bounds write in the flower classifier code via TCA_FLOWER_KEY_ENC_OPTS_GENEVE packets.
    This may result in denial of service or privilege escalation. (CVE-2023-35788)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-4377 advisory.

    - Fix KVM: x86/mmu: Fix race condition in direct_page_fault [Orabug: 35673032] {CVE-2022-45869}
    - prlimit: do_prlimit needs to have a speculation check {CVE-2023-0458}
    - x86/speculation: Allow enabling STIBP with legacy IBRS {CVE-2023-1998}
    - ipvlan: Fix out of bounds caused by unclear skb->cb {CVE-2023-3090}

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:4377 advisory.

    The kernel packages contain the Linux kernel, the core of any Linux operating system.

    Security Fix(es):

    * kernel: ipvlan: out-of-bounds write caused by unclear skb->cb (CVE-2023-3090)

    * kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt() (CVE-2023-35788)

    * kernel: KVM: x86/mmu: race condition in direct_page_fault() (CVE-2022-45869)

    * kernel: speculative pointer dereference in do_prlimit() in kernel/sys.c (CVE-2023-0458)

    * kernel: Spectre v2 SMT mitigations problem (CVE-2023-1998)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Bug Fix(es):

    * HPEMC RHEL 9 BUG: acpi-cpufreq: Skip initializtion if a cpufreq driver exists (BZ#2186562)

    * RHEL 9.3: Update locking code to upstream 6.1 and further fixes (BZ#2187507)

    * Getting kernel: RIP: 0010:nvme_setup_discard+0x172/0x1e0 [nvme_core] when I/O and DISCARD commands are     sent to the file system on NVMe/TCP multipath device (BZ#2192632)

    * RHEL 9.2 OS cannot boot successfully when enabling VMD in UEFI setup (BZ#2196230)

    * Intel E810 card unable to create a MACVLAN on interface already configured as SRIOV (BZ#2209284)

    * Trouble getting callstacks when signal has interrupted clock_gettime (BZ#2210074)

    * DELL 9.3 BUG: HDMI/DP audio output device lost on some new wn21 series graphic card(Discrete mode).
    (BZ#2211656)

    * DELL RHEL 9.2 BUG: Observed device_dax related probe errors in dmesg when HBM CPU is set to flat mode     and creating duplicate device_dax ids and hence probe is failing (BZ#2212386)

    * ice: The response of the ubxtool -p <PRESET> command may not correspond to the command: (BZ#2213186)

    * Update lpfc 14.2.0.12 for RHEL 9.3 Inbox with three bug fixes from 14.2.0.13 (BZ#2213616)

    * avoid unnecessary page fault retires on shared memory types (BZ#2213894)

    * jitter: Fix RCT/APT health test during initialization (BZ#2215080)

    * coretemp driver causes RDMSR interruption on isolated CPU (BZ#2215552)

    * rbd: avoid fast-diff corruption in snapshot-based mirroring (BZ#2216569)

    * Hyper-V RHEL-9: Fix VM crash/hang Issues due to fast VF add/remove events (BZ#2217066)

    * OVS ERSPAN2: ip6erspan incorrect erspan version in GRE header (BZ#2217493)

    * kernel-rt: system hung during stress-ng (BZ#2217939)

    * kvm/sriov: high latency after soft reboot (BZ#2218871)

    * CPU slushiness observed with lots of kworkers being created on host when more than 2 vm spawned in     single shot (BZ#2218935)

    * Wrong hwlat CPU affinity when started from a container. (BZ#2221157)

    * cifs: check the lease context if we actually got a lease (BZ#2221159)

    Enhancement(s):

    * Intel 9.3 FEAT SPR power: Intel SST SNC4 support (BZ#2185605)

    * Dell 9.3 Feat dell-wmi-privacy: The microphone still have function when press F4 Microphone Mute hotkey     on Orchid Bay MLK (BZ#2209808)

    * RFE: Support for a 'source-load-balancing' bonding mode (BZ#2221169)

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:4378 advisory.

    The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with     extremely high determinism requirements.

    Security Fix(es):

    * kernel: ipvlan: out-of-bounds write caused by unclear skb->cb (CVE-2023-3090)

    * kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt() (CVE-2023-35788)

    * kernel: KVM: x86/mmu: race condition in direct_page_fault() (CVE-2022-45869)

    * kernel: speculative pointer dereference in do_prlimit() in kernel/sys.c (CVE-2023-0458)

    * kernel: Spectre v2 SMT mitigations problem (CVE-2023-1998)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Bug Fix(es):

    * RHEL9 rt: blktests block/024 failed (BZ#2209920)

    * Backport pinned timers RT specific behavior for FIFO tasks (BZ#2210071)

    * kernel-rt: update RT source tree to the RHEL-9.2z2 source tree (BZ#2215122)

    * kernel-rt: update RT source tree to the RHEL-9.2z2b source tree (BZ#2222796)

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of kernel installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2022-45869 advisory.

  - A race condition in the x86 KVM subsystem in the Linux kernel through 6.1-rc6 allows guest OS users to     cause a denial of service (host OS crash or host OS memory corruption) when nested virtualisation and the     TDP MMU are enabled. (CVE-2022-45869)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5962-1 advisory.

    It was discovered that the Upper Level Protocol (ULP) subsystem in the Linux kernel did not properly     handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability.
    A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary     code. (CVE-2023-0461)

    Davide Ornaghi discovered that the netfilter subsystem in the Linux kernel did not properly handle VLAN     headers in some situations. A local attacker could use this to cause a denial of service (system crash) or     possibly execute arbitrary code. (CVE-2023-0179)

    It was discovered that the NVMe driver in the Linux kernel did not properly handle reset events in some     situations. A local attacker could use this to cause a denial of service (system crash). (CVE-2022-3169)

    Maxim Levitsky discovered that the KVM nested virtualization (SVM) implementation for AMD processors in     the Linux kernel did not properly handle nested shutdown execution. An attacker in a guest vm could use     this to cause a denial of service (host kernel crash) (CVE-2022-3344)

    Gwangun Jung discovered a race condition in the IPv4 implementation in the Linux kernel when deleting     multipath routes, resulting in an out-of-bounds read. An attacker could use this to cause a denial of     service (system crash) or possibly expose sensitive information (kernel memory). (CVE-2022-3435)

    It was discovered that a race condition existed in the Kernel Connection Multiplexor (KCM) socket     implementation in the Linux kernel when releasing sockets in certain situations. A local attacker could     use this to cause a denial of service (system crash). (CVE-2022-3521)

    It was discovered that the Netronome Ethernet driver in the Linux kernel contained a use-after-free     vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly     execute arbitrary code. (CVE-2022-3545)

    It was discovered that the Intel i915 graphics driver in the Linux kernel did not perform a GPU TLB flush     in some situations. A local attacker could use this to cause a denial of service or possibly execute     arbitrary code. (CVE-2022-4139)

    It was discovered that a race condition existed in the Xen network backend driver in the Linux kernel when     handling dropped packets in certain circumstances. An attacker could use this to cause a denial of service     (kernel deadlock). (CVE-2022-42328, CVE-2022-42329)

    It was discovered that the NFSD implementation in the Linux kernel contained a use-after-free     vulnerability. A remote attacker could possibly use this to cause a denial of service (system crash) or     execute arbitrary code. (CVE-2022-4379)

    It was discovered that a race condition existed in the x86 KVM subsystem implementation in the Linux     kernel when nested virtualization and the TDP MMU are enabled. An attacker in a guest vm could use this to     cause a denial of service (host OS crash). (CVE-2022-45869)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate the number     of channels, leading to an out-of-bounds write vulnerability. An attacker could use this to cause a denial     of service (system crash) or possibly execute arbitrary code. (CVE-2022-47518)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate specific     attributes, leading to an out-of-bounds write vulnerability. An attacker could use this to cause a denial     of service (system crash) or possibly execute arbitrary code. (CVE-2022-47519)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate offsets,     leading to an out-of-bounds read vulnerability. An attacker could use this to cause a denial of service     (system crash). (CVE-2022-47520)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate specific     attributes, leading to a heap-based buffer overflow. An attacker could use this to cause a denial of     service (system crash) or possibly execute arbitrary code. (CVE-2022-47521)

    Lin Ma discovered a race condition in the io_uring subsystem in the Linux kernel, leading to a null     pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system     crash). (CVE-2023-0468)

    It was discovered that the file system writeback functionality in the Linux kernel contained a user-after-     free vulnerability. A local attacker could possibly use this to cause a denial of service (system crash)     or execute arbitrary code. (CVE-2023-26605)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Ubuntu 22.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5950-1 advisory.

    It was discovered that the Upper Level Protocol (ULP) subsystem in the Linux kernel did not properly     handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability.
    A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary     code. (CVE-2023-0461)

    Davide Ornaghi discovered that the netfilter subsystem in the Linux kernel did not properly handle VLAN     headers in some situations. A local attacker could use this to cause a denial of service (system crash) or     possibly execute arbitrary code. (CVE-2023-0179)

    It was discovered that the NVMe driver in the Linux kernel did not properly handle reset events in some     situations. A local attacker could use this to cause a denial of service (system crash). (CVE-2022-3169)

    Maxim Levitsky discovered that the KVM nested virtualization (SVM) implementation for AMD processors in     the Linux kernel did not properly handle nested shutdown execution. An attacker in a guest vm could use     this to cause a denial of service (host kernel crash) (CVE-2022-3344)

    Gwangun Jung discovered a race condition in the IPv4 implementation in the Linux kernel when deleting     multipath routes, resulting in an out-of-bounds read. An attacker could use this to cause a denial of     service (system crash) or possibly expose sensitive information (kernel memory). (CVE-2022-3435)

    It was discovered that a race condition existed in the Kernel Connection Multiplexor (KCM) socket     implementation in the Linux kernel when releasing sockets in certain situations. A local attacker could     use this to cause a denial of service (system crash). (CVE-2022-3521)

    It was discovered that the Netronome Ethernet driver in the Linux kernel contained a use-after-free     vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly     execute arbitrary code. (CVE-2022-3545)

    It was discovered that the Intel i915 graphics driver in the Linux kernel did not perform a GPU TLB flush     in some situations. A local attacker could use this to cause a denial of service or possibly execute     arbitrary code. (CVE-2022-4139)

    It was discovered that the NFSD implementation in the Linux kernel contained a use-after-free     vulnerability. A remote attacker could possibly use this to cause a denial of service (system crash) or     execute arbitrary code. (CVE-2022-4379)

    It was discovered that a race condition existed in the x86 KVM subsystem implementation in the Linux     kernel when nested virtualization and the TDP MMU are enabled. An attacker in a guest vm could use this to     cause a denial of service (host OS crash). (CVE-2022-45869)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate the number     of channels, leading to an out-of-bounds write vulnerability. An attacker could use this to cause a denial     of service (system crash) or possibly execute arbitrary code. (CVE-2022-47518)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate specific     attributes, leading to an out-of-bounds write vulnerability. An attacker could use this to cause a denial     of service (system crash) or possibly execute arbitrary code. (CVE-2022-47519)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate offsets,     leading to an out-of-bounds read vulnerability. An attacker could use this to cause a denial of service     (system crash). (CVE-2022-47520)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate specific     attributes, leading to a heap-based buffer overflow. An attacker could use this to cause a denial of     service (system crash) or possibly execute arbitrary code. (CVE-2022-47521)

    It was discovered that the file system writeback functionality in the Linux kernel contained a user-after-     free vulnerability. A local attacker could possibly use this to cause a denial of service (system crash)     or execute arbitrary code. (CVE-2023-26605)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5941-1 advisory.

    It was discovered that the Upper Level Protocol (ULP) subsystem in the Linux kernel did not properly     handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability.
    A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary     code. (CVE-2023-0461)

    Davide Ornaghi discovered that the netfilter subsystem in the Linux kernel did not properly handle VLAN     headers in some situations. A local attacker could use this to cause a denial of service (system crash) or     possibly execute arbitrary code. (CVE-2023-0179)

    It was discovered that the NVMe driver in the Linux kernel did not properly handle reset events in some     situations. A local attacker could use this to cause a denial of service (system crash). (CVE-2022-3169)

    Maxim Levitsky discovered that the KVM nested virtualization (SVM) implementation for AMD processors in     the Linux kernel did not properly handle nested shutdown execution. An attacker in a guest vm could use     this to cause a denial of service (host kernel crash) (CVE-2022-3344)

    Gwangun Jung discovered a race condition in the IPv4 implementation in the Linux kernel when deleting     multipath routes, resulting in an out-of-bounds read. An attacker could use this to cause a denial of     service (system crash) or possibly expose sensitive information (kernel memory). (CVE-2022-3435)

    It was discovered that a race condition existed in the Kernel Connection Multiplexor (KCM) socket     implementation in the Linux kernel when releasing sockets in certain situations. A local attacker could     use this to cause a denial of service (system crash). (CVE-2022-3521)

    It was discovered that the Netronome Ethernet driver in the Linux kernel contained a use-after-free     vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly     execute arbitrary code. (CVE-2022-3545)

    It was discovered that the Intel i915 graphics driver in the Linux kernel did not perform a GPU TLB flush     in some situations. A local attacker could use this to cause a denial of service or possibly execute     arbitrary code. (CVE-2022-4139)

    It was discovered that a race condition existed in the Xen network backend driver in the Linux kernel when     handling dropped packets in certain circumstances. An attacker could use this to cause a denial of service     (kernel deadlock). (CVE-2022-42328, CVE-2022-42329)

    It was discovered that the NFSD implementation in the Linux kernel contained a use-after-free     vulnerability. A remote attacker could possibly use this to cause a denial of service (system crash) or     execute arbitrary code. (CVE-2022-4379)

    It was discovered that a race condition existed in the x86 KVM subsystem implementation in the Linux     kernel when nested virtualization and the TDP MMU are enabled. An attacker in a guest vm could use this to     cause a denial of service (host OS crash). (CVE-2022-45869)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate the number     of channels, leading to an out-of-bounds write vulnerability. An attacker could use this to cause a denial     of service (system crash) or possibly execute arbitrary code. (CVE-2022-47518)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate specific     attributes, leading to an out-of-bounds write vulnerability. An attacker could use this to cause a denial     of service (system crash) or possibly execute arbitrary code. (CVE-2022-47519)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate offsets,     leading to an out-of-bounds read vulnerability. An attacker could use this to cause a denial of service     (system crash). (CVE-2022-47520)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate specific     attributes, leading to a heap-based buffer overflow. An attacker could use this to cause a denial of     service (system crash) or possibly execute arbitrary code. (CVE-2022-47521)

    Lin Ma discovered a race condition in the io_uring subsystem in the Linux kernel, leading to a null     pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system     crash). (CVE-2023-0468)

    It was discovered that the file system writeback functionality in the Linux kernel contained a user-after-     free vulnerability. A local attacker could possibly use this to cause a denial of service (system crash)     or execute arbitrary code. (CVE-2023-26605)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5938-1 advisory.

    It was discovered that the Upper Level Protocol (ULP) subsystem in the Linux kernel did not properly     handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability.
    A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary     code. (CVE-2023-0461)

    Davide Ornaghi discovered that the netfilter subsystem in the Linux kernel did not properly handle VLAN     headers in some situations. A local attacker could use this to cause a denial of service (system crash) or     possibly execute arbitrary code. (CVE-2023-0179)

    It was discovered that the NVMe driver in the Linux kernel did not properly handle reset events in some     situations. A local attacker could use this to cause a denial of service (system crash). (CVE-2022-3169)

    Maxim Levitsky discovered that the KVM nested virtualization (SVM) implementation for AMD processors in     the Linux kernel did not properly handle nested shutdown execution. An attacker in a guest vm could use     this to cause a denial of service (host kernel crash) (CVE-2022-3344)

    Gwangun Jung discovered a race condition in the IPv4 implementation in the Linux kernel when deleting     multipath routes, resulting in an out-of-bounds read. An attacker could use this to cause a denial of     service (system crash) or possibly expose sensitive information (kernel memory). (CVE-2022-3435)

    It was discovered that a race condition existed in the Kernel Connection Multiplexor (KCM) socket     implementation in the Linux kernel when releasing sockets in certain situations. A local attacker could     use this to cause a denial of service (system crash). (CVE-2022-3521)

    It was discovered that the Netronome Ethernet driver in the Linux kernel contained a use-after-free     vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly     execute arbitrary code. (CVE-2022-3545)

    It was discovered that the Intel i915 graphics driver in the Linux kernel did not perform a GPU TLB flush     in some situations. A local attacker could use this to cause a denial of service or possibly execute     arbitrary code. (CVE-2022-4139)

    It was discovered that a race condition existed in the Xen network backend driver in the Linux kernel when     handling dropped packets in certain circumstances. An attacker could use this to cause a denial of service     (kernel deadlock). (CVE-2022-42328, CVE-2022-42329)

    It was discovered that the NFSD implementation in the Linux kernel contained a use-after-free     vulnerability. A remote attacker could possibly use this to cause a denial of service (system crash) or     execute arbitrary code. (CVE-2022-4379)

    It was discovered that a race condition existed in the x86 KVM subsystem implementation in the Linux     kernel when nested virtualization and the TDP MMU are enabled. An attacker in a guest vm could use this to     cause a denial of service (host OS crash). (CVE-2022-45869)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate the number     of channels, leading to an out-of-bounds write vulnerability. An attacker could use this to cause a denial     of service (system crash) or possibly execute arbitrary code. (CVE-2022-47518)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate specific     attributes, leading to an out-of-bounds write vulnerability. An attacker could use this to cause a denial     of service (system crash) or possibly execute arbitrary code. (CVE-2022-47519)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate offsets,     leading to an out-of-bounds read vulnerability. An attacker could use this to cause a denial of service     (system crash). (CVE-2022-47520)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate specific     attributes, leading to a heap-based buffer overflow. An attacker could use this to cause a denial of     service (system crash) or possibly execute arbitrary code. (CVE-2022-47521)

    Lin Ma discovered a race condition in the io_uring subsystem in the Linux kernel, leading to a null     pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system     crash). (CVE-2023-0468)

    It was discovered that the file system writeback functionality in the Linux kernel contained a user-after-     free vulnerability. A local attacker could possibly use this to cause a denial of service (system crash)     or execute arbitrary code. (CVE-2023-26605)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5935-1 advisory.

    It was discovered that the Upper Level Protocol (ULP) subsystem in the Linux kernel did not properly     handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability.
    A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary     code. (CVE-2023-0461)

    Davide Ornaghi discovered that the netfilter subsystem in the Linux kernel did not properly handle VLAN     headers in some situations. A local attacker could use this to cause a denial of service (system crash) or     possibly execute arbitrary code. (CVE-2023-0179)

    It was discovered that the NVMe driver in the Linux kernel did not properly handle reset events in some     situations. A local attacker could use this to cause a denial of service (system crash). (CVE-2022-3169)

    Maxim Levitsky discovered that the KVM nested virtualization (SVM) implementation for AMD processors in     the Linux kernel did not properly handle nested shutdown execution. An attacker in a guest vm could use     this to cause a denial of service (host kernel crash) (CVE-2022-3344)

    Gwangun Jung discovered a race condition in the IPv4 implementation in the Linux kernel when deleting     multipath routes, resulting in an out-of-bounds read. An attacker could use this to cause a denial of     service (system crash) or possibly expose sensitive information (kernel memory). (CVE-2022-3435)

    It was discovered that a race condition existed in the Kernel Connection Multiplexor (KCM) socket     implementation in the Linux kernel when releasing sockets in certain situations. A local attacker could     use this to cause a denial of service (system crash). (CVE-2022-3521)

    It was discovered that the Netronome Ethernet driver in the Linux kernel contained a use-after-free     vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly     execute arbitrary code. (CVE-2022-3545)

    It was discovered that the Intel i915 graphics driver in the Linux kernel did not perform a GPU TLB flush     in some situations. A local attacker could use this to cause a denial of service or possibly execute     arbitrary code. (CVE-2022-4139)

    It was discovered that a race condition existed in the Xen network backend driver in the Linux kernel when     handling dropped packets in certain circumstances. An attacker could use this to cause a denial of service     (kernel deadlock). (CVE-2022-42328, CVE-2022-42329)

    It was discovered that the NFSD implementation in the Linux kernel contained a use-after-free     vulnerability. A remote attacker could possibly use this to cause a denial of service (system crash) or     execute arbitrary code. (CVE-2022-4379)

    It was discovered that a race condition existed in the x86 KVM subsystem implementation in the Linux     kernel when nested virtualization and the TDP MMU are enabled. An attacker in a guest vm could use this to     cause a denial of service (host OS crash). (CVE-2022-45869)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate the number     of channels, leading to an out-of-bounds write vulnerability. An attacker could use this to cause a denial     of service (system crash) or possibly execute arbitrary code. (CVE-2022-47518)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate specific     attributes, leading to an out-of-bounds write vulnerability. An attacker could use this to cause a denial     of service (system crash) or possibly execute arbitrary code. (CVE-2022-47519)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate offsets,     leading to an out-of-bounds read vulnerability. An attacker could use this to cause a denial of service     (system crash). (CVE-2022-47520)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate specific     attributes, leading to a heap-based buffer overflow. An attacker could use this to cause a denial of     service (system crash) or possibly execute arbitrary code. (CVE-2022-47521)

    Lin Ma discovered a race condition in the io_uring subsystem in the Linux kernel, leading to a null     pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system     crash). (CVE-2023-0468)

    It was discovered that the file system writeback functionality in the Linux kernel contained a user-after-     free vulnerability. A local attacker could possibly use this to cause a denial of service (system crash)     or execute arbitrary code. (CVE-2023-26605)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Ubuntu 22.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5929-1 advisory.

    It was discovered that the Upper Level Protocol (ULP) subsystem in the Linux kernel did not properly     handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability.
    A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary     code. (CVE-2023-0461)

    Davide Ornaghi discovered that the netfilter subsystem in the Linux kernel did not properly handle VLAN     headers in some situations. A local attacker could use this to cause a denial of service (system crash) or     possibly execute arbitrary code. (CVE-2023-0179)

    It was discovered that the NVMe driver in the Linux kernel did not properly handle reset events in some     situations. A local attacker could use this to cause a denial of service (system crash). (CVE-2022-3169)

    Maxim Levitsky discovered that the KVM nested virtualization (SVM) implementation for AMD processors in     the Linux kernel did not properly handle nested shutdown execution. An attacker in a guest vm could use     this to cause a denial of service (host kernel crash) (CVE-2022-3344)

    Gwangun Jung discovered a race condition in the IPv4 implementation in the Linux kernel when deleting     multipath routes, resulting in an out-of-bounds read. An attacker could use this to cause a denial of     service (system crash) or possibly expose sensitive information (kernel memory). (CVE-2022-3435)

    It was discovered that a race condition existed in the Kernel Connection Multiplexor (KCM) socket     implementation in the Linux kernel when releasing sockets in certain situations. A local attacker could     use this to cause a denial of service (system crash). (CVE-2022-3521)

    It was discovered that the Netronome Ethernet driver in the Linux kernel contained a use-after-free     vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly     execute arbitrary code. (CVE-2022-3545)

    It was discovered that the Intel i915 graphics driver in the Linux kernel did not perform a GPU TLB flush     in some situations. A local attacker could use this to cause a denial of service or possibly execute     arbitrary code. (CVE-2022-4139)

    It was discovered that the NFSD implementation in the Linux kernel contained a use-after-free     vulnerability. A remote attacker could possibly use this to cause a denial of service (system crash) or     execute arbitrary code. (CVE-2022-4379)

    It was discovered that a race condition existed in the x86 KVM subsystem implementation in the Linux     kernel when nested virtualization and the TDP MMU are enabled. An attacker in a guest vm could use this to     cause a denial of service (host OS crash). (CVE-2022-45869)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate the number     of channels, leading to an out-of-bounds write vulnerability. An attacker could use this to cause a denial     of service (system crash) or possibly execute arbitrary code. (CVE-2022-47518)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate specific     attributes, leading to an out-of-bounds write vulnerability. An attacker could use this to cause a denial     of service (system crash) or possibly execute arbitrary code. (CVE-2022-47519)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate offsets,     leading to an out-of-bounds read vulnerability. An attacker could use this to cause a denial of service     (system crash). (CVE-2022-47520)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate specific     attributes, leading to a heap-based buffer overflow. An attacker could use this to cause a denial of     service (system crash) or possibly execute arbitrary code. (CVE-2022-47521)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5912-1 advisory.

    It was discovered that the Upper Level Protocol (ULP) subsystem in the Linux kernel did not properly     handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability.
    A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary     code. (CVE-2023-0461)

    Davide Ornaghi discovered that the netfilter subsystem in the Linux kernel did not properly handle VLAN     headers in some situations. A local attacker could use this to cause a denial of service (system crash) or     possibly execute arbitrary code. (CVE-2023-0179)

    It was discovered that the NVMe driver in the Linux kernel did not properly handle reset events in some     situations. A local attacker could use this to cause a denial of service (system crash). (CVE-2022-3169)

    Maxim Levitsky discovered that the KVM nested virtualization (SVM) implementation for AMD processors in     the Linux kernel did not properly handle nested shutdown execution. An attacker in a guest vm could use     this to cause a denial of service (host kernel crash) (CVE-2022-3344)

    Gwangun Jung discovered a race condition in the IPv4 implementation in the Linux kernel when deleting     multipath routes, resulting in an out-of-bounds read. An attacker could use this to cause a denial of     service (system crash) or possibly expose sensitive information (kernel memory). (CVE-2022-3435)

    It was discovered that a race condition existed in the Kernel Connection Multiplexor (KCM) socket     implementation in the Linux kernel when releasing sockets in certain situations. A local attacker could     use this to cause a denial of service (system crash). (CVE-2022-3521)

    It was discovered that the Netronome Ethernet driver in the Linux kernel contained a use-after-free     vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly     execute arbitrary code. (CVE-2022-3545)

    It was discovered that the Intel i915 graphics driver in the Linux kernel did not perform a GPU TLB flush     in some situations. A local attacker could use this to cause a denial of service or possibly execute     arbitrary code. (CVE-2022-4139)

    It was discovered that a race condition existed in the Xen network backend driver in the Linux kernel when     handling dropped packets in certain circumstances. An attacker could use this to cause a denial of service     (kernel deadlock). (CVE-2022-42328, CVE-2022-42329)

    It was discovered that the NFSD implementation in the Linux kernel contained a use-after-free     vulnerability. A remote attacker could possibly use this to cause a denial of service (system crash) or     execute arbitrary code. (CVE-2022-4379)

    It was discovered that a race condition existed in the x86 KVM subsystem implementation in the Linux     kernel when nested virtualization and the TDP MMU are enabled. An attacker in a guest vm could use this to     cause a denial of service (host OS crash). (CVE-2022-45869)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate the number     of channels, leading to an out-of-bounds write vulnerability. An attacker could use this to cause a denial     of service (system crash) or possibly execute arbitrary code. (CVE-2022-47518)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate specific     attributes, leading to an out-of-bounds write vulnerability. An attacker could use this to cause a denial     of service (system crash) or possibly execute arbitrary code. (CVE-2022-47519)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate offsets,     leading to an out-of-bounds read vulnerability. An attacker could use this to cause a denial of service     (system crash). (CVE-2022-47520)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate specific     attributes, leading to a heap-based buffer overflow. An attacker could use this to cause a denial of     service (system crash) or possibly execute arbitrary code. (CVE-2022-47521)

    Lin Ma discovered a race condition in the io_uring subsystem in the Linux kernel, leading to a null     pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system     crash). (CVE-2023-0468)

    It was discovered that the file system writeback functionality in the Linux kernel contained a user-after-     free vulnerability. A local attacker could possibly use this to cause a denial of service (system crash)     or execute arbitrary code. (CVE-2023-26605)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5911-1 advisory.

    It was discovered that the Upper Level Protocol (ULP) subsystem in the Linux kernel did not properly     handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability.
    A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary     code. (CVE-2023-0461)

    Davide Ornaghi discovered that the netfilter subsystem in the Linux kernel did not properly handle VLAN     headers in some situations. A local attacker could use this to cause a denial of service (system crash) or     possibly execute arbitrary code. (CVE-2023-0179)

    It was discovered that the NVMe driver in the Linux kernel did not properly handle reset events in some     situations. A local attacker could use this to cause a denial of service (system crash). (CVE-2022-3169)

    Maxim Levitsky discovered that the KVM nested virtualization (SVM) implementation for AMD processors in     the Linux kernel did not properly handle nested shutdown execution. An attacker in a guest vm could use     this to cause a denial of service (host kernel crash) (CVE-2022-3344)

    Gwangun Jung discovered a race condition in the IPv4 implementation in the Linux kernel when deleting     multipath routes, resulting in an out-of-bounds read. An attacker could use this to cause a denial of     service (system crash) or possibly expose sensitive information (kernel memory). (CVE-2022-3435)

    It was discovered that a race condition existed in the Kernel Connection Multiplexor (KCM) socket     implementation in the Linux kernel when releasing sockets in certain situations. A local attacker could     use this to cause a denial of service (system crash). (CVE-2022-3521)

    It was discovered that the Netronome Ethernet driver in the Linux kernel contained a use-after-free     vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly     execute arbitrary code. (CVE-2022-3545)

    It was discovered that the Intel i915 graphics driver in the Linux kernel did not perform a GPU TLB flush     in some situations. A local attacker could use this to cause a denial of service or possibly execute     arbitrary code. (CVE-2022-4139)

    It was discovered that the NFSD implementation in the Linux kernel contained a use-after-free     vulnerability. A remote attacker could possibly use this to cause a denial of service (system crash) or     execute arbitrary code. (CVE-2022-4379)

    It was discovered that a race condition existed in the x86 KVM subsystem implementation in the Linux     kernel when nested virtualization and the TDP MMU are enabled. An attacker in a guest vm could use this to     cause a denial of service (host OS crash). (CVE-2022-45869)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate the number     of channels, leading to an out-of-bounds write vulnerability. An attacker could use this to cause a denial     of service (system crash) or possibly execute arbitrary code. (CVE-2022-47518)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate specific     attributes, leading to an out-of-bounds write vulnerability. An attacker could use this to cause a denial     of service (system crash) or possibly execute arbitrary code. (CVE-2022-47519)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate offsets,     leading to an out-of-bounds read vulnerability. An attacker could use this to cause a denial of service     (system crash). (CVE-2022-47520)

    It was discovered that the Atmel WILC1000 driver in the Linux kernel did not properly validate specific     attributes, leading to a heap-based buffer overflow. An attacker could use this to cause a denial of     service (system crash) or possibly execute arbitrary code. (CVE-2022-47521)

    It was discovered that the file system writeback functionality in the Linux kernel contained a user-after-     free vulnerability. A local attacker could possibly use this to cause a denial of service (system crash)     or execute arbitrary code. (CVE-2023-26605)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of kernel-generic installed on the remote host is prior to 5.15.94 / 5.15.94_smp. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2023-048-01 advisory.

  - A flaw was found in the KVM's AMD nested virtualization (SVM). A malicious L1 guest could purposely fail     to intercept the shutdown of a cooperative nested guest (L2), possibly leading to a page fault and kernel     panic in the host (L0). (CVE-2022-3344)

  - A vulnerability classified as critical has been found in Linux Kernel. Affected is the function     btf_dump_name_dups of the file tools/lib/bpf/btf_dump.c of the component libbpf. The manipulation leads to     use after free. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability     is VDB-211032. (CVE-2022-3534)

  - A vulnerability has been found in Linux Kernel and classified as critical. Affected by this vulnerability     is the function area_cache_get of the file drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cppcore.c of the     component IPsec. The manipulation leads to use after free. It is recommended to apply a patch to fix this     issue. The identifier VDB-211045 was assigned to this vulnerability. (CVE-2022-3545)

  - An out-of-bounds(OOB) memory access vulnerability was found in vmwgfx driver in     drivers/gpu/vmxgfx/vmxgfx_kms.c in GPU component in the Linux kernel with device file '/dev/dri/renderD128     (or Dxxx)'. This flaw allows a local attacker with a user account on the system to gain privilege, causing     a denial of service(DoS). (CVE-2022-36280)

  - Guests can trigger NIC interface reset/abort/crash via netback It is possible for a guest to trigger a NIC     interface reset/abort/crash in a Linux based network backend by sending certain kinds of packets. It     appears to be an (unwritten?) assumption in the rest of the Linux network stack that packet protocol     headers are all contained within the linear section of the SKB and some NICs behave badly if this is not     the case. This has been reported to occur with Cisco (enic) and Broadcom NetXtrem II BCM5780 (bnx2x)     though it may be an issue with other NICs/drivers as well. In case the frontend is sending requests with     split headers, netback will forward those violating above mentioned assumption to the networking core,     resulting in said misbehavior. (CVE-2022-3643)

  - In drivers/media/dvb-core/dmxdev.c in the Linux kernel through 5.19.10, there is a use-after-free caused     by refcount races, affecting dvb_demux_open and dvb_dmxdev_release. (CVE-2022-41218)

  - A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol (L2TP). A missing lock when clearing     sk_user_data can lead to a race condition and NULL pointer dereference. A local user could use this flaw     to potentially crash the system causing a denial of service. (CVE-2022-4129)

  - A stack overflow flaw was found in the Linux kernel's SYSCTL subsystem in how a user changes certain     kernel parameters and variables. This flaw allows a local user to crash or potentially escalate their     privileges on the system. (CVE-2022-4378)

  - A use-after-free flaw caused by a race among the superblock operations in the gadgetfs Linux driver was     found. It could be triggered by yanking out a device that is running the gadgetfs side. (CVE-2022-4382)

  - A race condition in the x86 KVM subsystem in the Linux kernel through 6.1-rc6 allows guest OS users to     cause a denial of service (host OS crash or host OS memory corruption) when nested virtualisation and the     TDP MMU are enabled. (CVE-2022-45869)

  - An issue was discovered in the Linux kernel through 6.0.10. l2cap_config_req in net/bluetooth/l2cap_core.c     has an integer wraparound via L2CAP_CONF_REQ packets. (CVE-2022-45934)

  - An issue was discovered in the Linux kernel before 6.0.11. Missing validation of the number of channels in     drivers/net/wireless/microchip/wilc1000/cfg80211.c in the WILC1000 wireless driver can trigger a heap-     based buffer overflow when copying the list of operating channels from Wi-Fi management frames.
    (CVE-2022-47518)

  - An issue was discovered in the Linux kernel before 6.0.11. Missing validation of     IEEE80211_P2P_ATTR_OPER_CHANNEL in drivers/net/wireless/microchip/wilc1000/cfg80211.c in the WILC1000     wireless driver can trigger an out-of-bounds write when parsing the channel list attribute from Wi-Fi     management frames. (CVE-2022-47519)

  - An issue was discovered in the Linux kernel before 6.0.11. Missing offset validation in     drivers/net/wireless/microchip/wilc1000/hif.c in the WILC1000 wireless driver can trigger an out-of-bounds     read when parsing a Robust Security Network (RSN) information element from a Netlink packet.
    (CVE-2022-47520)

  - An issue was discovered in the Linux kernel before 6.0.11. Missing validation of     IEEE80211_P2P_ATTR_CHANNEL_LIST in drivers/net/wireless/microchip/wilc1000/cfg80211.c in the WILC1000     wireless driver can trigger a heap-based buffer overflow when parsing the operating channel attribute from     Wi-Fi management frames. (CVE-2022-47521)

  - In the Linux kernel before 6.1.6, a NULL pointer dereference bug in the traffic control subsystem allows     an unprivileged user to trigger a denial of service (system crash) via a crafted traffic control     configuration that is set up with tc qdisc and tc class commands. This affects qdisc_graft in     net/sched/sch_api.c. (CVE-2022-47929)

  - A flaw NULL Pointer Dereference in the Linux kernel NTFS3 driver function attr_punch_hole() was found. A     local user could use this flaw to crash the system. (CVE-2022-4842)

  - A use after free vulnerability exists in the ALSA PCM package in the Linux Kernel.
    SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 is missing locks that can be used in a use-after-free that can result     in a priviledge escalation to gain ring0 access from the system user. We recommend upgrading past commit     56b88b50565cd8b946a2d00b0c83927b7ebb055e (CVE-2023-0266)

  - A NULL pointer dereference flaw was found in rawv6_push_pending_frames in net/ipv6/raw.c in the network     subcomponent in the Linux kernel. This flaw causes the system to crash. (CVE-2023-0394)

  - cbq_classify in net/sched/sch_cbq.c in the Linux kernel through 6.1.4 allows attackers to cause a denial     of service (slab-out-of-bounds read) because of type confusion (non-negative numbers can sometimes     indicate a TC_ACT_SHOT condition rather than valid classification results). (CVE-2023-23454)

  - atm_tc_enqueue in net/sched/sch_atm.c in the Linux kernel through 6.1.4 allows attackers to cause a denial     of service because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition     rather than valid classification results). (CVE-2023-23455)

  - In rndis_query_oid in drivers/net/wireless/rndis_wlan.c in the Linux kernel through 6.1.5, there is an     integer overflow in an addition. (CVE-2023-23559)

  - In the Linux kernel before 6.1.6, a NULL pointer dereference bug in the traffic control subsystem allows     an unprivileged user to trigger a denial of service (system crash) via a crafted traffic control     configuration that is set up with tc qdisc and tc class commands. This affects qdisc_graft in     net/sched/sch_api.c. (CVE-2022-47929) (CVE-2023-0179)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-12120 advisory.

    - netfilter: nft_payload: incorrect arithmetics when fetching VLAN header bits (Pablo Neira Ayuso)     [Orabug: 34978152]  {CVE-2023-0179}

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-12116 advisory.

    - netfilter: nft_payload: incorrect arithmetics when fetching VLAN header bits (Pablo Neira Ayuso)     [Orabug: 34978152]  {CVE-2023-0179}

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of kernel installed on the remote host is prior to 5.15.86-53.137. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.15-2023-012 advisory.

    2024-07-03: CVE-2023-1195 was added to this advisory.

    2024-05-23: CVE-2023-26606 was added to this advisory.

    A flaw was found in the Linux kernel. A denial of service flaw may occur if there is a consecutive request     of the NVME_IOCTL_RESET and the NVME_IOCTL_SUBSYS_RESET through the device file of the driver, resulting     in a PCIe link disconnect. (CVE-2022-3169)

    A vulnerability classified as critical has been found in Linux Kernel. Affected is the function     btf_dump_name_dups of the file tools/lib/bpf/btf_dump.c of the component libbpf. The manipulation leads to     use after free. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability     is VDB-211032. (CVE-2022-3534)

    Guests can trigger NIC interface reset/abort/crash via netback It is possible for a guest to trigger a NIC     interface reset/abort/crash in a Linux based network backend by sending certain kinds of packets. It     appears to be an (unwritten?) assumption in the rest of the Linux network stack that packet protocol     headers are all contained within the linear section of the SKB and some NICs behave badly if this is not     the case. This has been reported to occur with Cisco (enic) and Broadcom NetXtrem II BCM5780 (bnx2x)     though it may be an issue with other NICs/drivers as well. In case the frontend is sending requests with     split headers, netback will forward those violating above mentioned assumption to the networking core,     resulting in said misbehavior. (CVE-2022-3643)

    An incorrect TLB flush issue was found in the Linux kernel's GPU i915 kernel driver, potentially leading     to random memory corruption or data leaks. This flaw could allow a local user to crash the system or     escalate their privileges on the system. (CVE-2022-4139)

    Guests can trigger deadlock in Linux netback driver T[his CNA information record relates to multiple CVEs;
    the text explains which aspects/vulnerabilities correspond to which CVE.] The patch for XSA-392 introduced     another issue which might result in a deadlock when trying to free the SKB of a packet dropped due to the     XSA-392 handling (CVE-2022-42328). Additionally when dropping packages for other reasons the same deadlock     could occur in case of netpoll being active for the interface the xen-netback driver is connected to     (CVE-2022-42329). (CVE-2022-42328)

    Guests can trigger deadlock in Linux netback driver T[his CNA information record relates to multiple CVEs;
    the text explains which aspects/vulnerabilities correspond to which CVE.] The patch for XSA-392 introduced     another issue which might result in a deadlock when trying to free the SKB of a packet dropped due to the     XSA-392 handling (CVE-2022-42328). Additionally when dropping packages for other reasons the same deadlock     could occur in case of netpoll being active for the interface the xen-netback driver is connected to     (CVE-2022-42329). (CVE-2022-42329)

    A stack overflow flaw was found in the Linux kernel's SYSCTL subsystem in how a user changes certain     kernel parameters and variables. This flaw allows a local user to crash or potentially escalate their     privileges on the system. (CVE-2022-4378)

    A use-after-free vulnerability was found in __nfs42_ssc_open() in fs/nfs/nfs4file.c in the Linux kernel.
    This flaw allows an attacker to conduct a remote denial of service. (CVE-2022-4379)

    A race condition in the x86 KVM subsystem in the Linux kernel through 6.1-rc6 allows guest OS users to     cause a denial of service (host OS crash or host OS memory corruption) when nested virtualisation and the     TDP MMU are enabled. (CVE-2022-45869)

    A use-after-free flaw was found in reconn_set_ipaddr_from_hostname in fs/cifs/connect.c in the Linux     kernel. (CVE-2023-1195)

    In the Linux kernel 6.0.8, there is a use-after-free in ntfs_trim_fs in fs/ntfs3/bitmap.c.
    (CVE-2023-26606)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:4585-1 advisory.

  - A flaw was found in hw. Mis-trained branch predictions for return instructions may allow arbitrary     speculative code execution under certain microarchitecture-dependent conditions. (CVE-2022-23816)     (CVE-2022-2602)

  - There exists a use-after-free in io_uring in the Linux kernel. Signalfd_poll() and binder_poll() use a     waitqueue whose lifetime is the current task. It will send a POLLFREE notification to all waiters before     the queue is freed. Unfortunately, the io_uring poll doesn't handle POLLFREE. This allows a use-after-free     to occur if a signalfd or binder fd is polled with io_uring poll, and the waitqueue gets freed. We     recommend upgrading past commit fc78b2fc21f10c4c9c4d5d659a685710ffa63659 (CVE-2022-3176)

  - A vulnerability, which was classified as problematic, was found in Linux Kernel. This affects the function     tcp_getsockopt/tcp_setsockopt of the component TCP Handler. The manipulation leads to race condition. It     is recommended to apply a patch to fix this issue. The identifier VDB-211089 was assigned to this     vulnerability. (CVE-2022-3566)

  - A vulnerability has been found in Linux Kernel and classified as problematic. This vulnerability affects     the function inet6_stream_ops/inet6_dgram_ops of the component IPv6 Handler. The manipulation leads to     race condition. It is recommended to apply a patch to fix this issue. VDB-211090 is the identifier     assigned to this vulnerability. (CVE-2022-3567)

  - A vulnerability, which was classified as critical, has been found in Linux Kernel. Affected by this issue     is the function tst_timer of the file drivers/atm/idt77252.c of the component IPsec. The manipulation     leads to use after free. It is recommended to apply a patch to fix this issue. VDB-211934 is the     identifier assigned to this vulnerability. (CVE-2022-3635)

  - Guests can trigger NIC interface reset/abort/crash via netback It is possible for a guest to trigger a NIC     interface reset/abort/crash in a Linux based network backend by sending certain kinds of packets. It     appears to be an (unwritten?) assumption in the rest of the Linux network stack that packet protocol     headers are all contained within the linear section of the SKB and some NICs behave badly if this is not     the case. This has been reported to occur with Cisco (enic) and Broadcom NetXtrem II BCM5780 (bnx2x)     though it may be an issue with other NICs/drivers as well. In case the frontend is sending requests with     split headers, netback will forward those violating above mentioned assumption to the networking core,     resulting in said misbehavior. (CVE-2022-3643)

  - A double-free memory flaw was found in the Linux kernel. The Intel GVT-g graphics driver triggers VGA card     system resource overload, causing a fail in the intel_gvt_dma_map_guest_page function. This issue could     allow a local user to crash the system. (CVE-2022-3707)

  - An incorrect read request flaw was found in the Infrared Transceiver USB driver in the Linux kernel. This     issue occurs when a user attaches a malicious USB device. A local user could use this flaw to starve the     resources, causing denial of service or potentially crashing the system. (CVE-2022-3903)

  - A use-after-free flaw was found in Linux kernel before 5.19.2. This issue occurs in cmd_hdl_filter in     drivers/staging/rtl8712/rtl8712_cmd.c, allowing an attacker to launch a local denial of service attack and     gain escalation of privileges. (CVE-2022-4095)

  - A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol (L2TP). A missing lock when clearing     sk_user_data can lead to a race condition and NULL pointer dereference. A local user could use this flaw     to potentially crash the system causing a denial of service. (CVE-2022-4129)

  - An incorrect TLB flush issue was found in the Linux kernel's GPU i915 kernel driver, potentially leading     to random memory corruption or data leaks. This flaw could allow a local user to crash the system or     escalate their privileges on the system. (CVE-2022-4139)

  - roccat_report_event in drivers/hid/hid-roccat.c in the Linux kernel through 5.19.12 has a race condition     and resultant use-after-free in certain situations where a report is received while copying a     report->value is in progress. (CVE-2022-41850)

  - A flaw was found in the Linux kernel. A NULL pointer dereference may occur while a slip driver is in     progress to detach in sl_tx_timeout in drivers/net/slip/slip.c. This issue could allow an attacker to     crash the system or leak internal kernel information. (CVE-2022-41858)

  - Guests can trigger deadlock in Linux netback driver T[his CNA information record relates to multiple CVEs;
    the text explains which aspects/vulnerabilities correspond to which CVE.] The patch for XSA-392 introduced     another issue which might result in a deadlock when trying to free the SKB of a packet dropped due to the     XSA-392 handling (CVE-2022-42328). Additionally when dropping packages for other reasons the same deadlock     could occur in case of netpoll being active for the interface the xen-netback driver is connected to     (CVE-2022-42329). (CVE-2022-42328, CVE-2022-42329)

  - There is an infoleak vulnerability in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_parse_conf_req     function which can be used to leak kernel pointers remotely. We recommend upgrading past commit     https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e     https://www.google.com/url (CVE-2022-42895)

  - There are use-after-free vulnerabilities in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_connect     and l2cap_le_connect_req functions which may allow code execution and leaking kernel memory (respectively)     remotely via Bluetooth. A remote attacker could execute code leaking kernel memory via Bluetooth if within     proximity of the victim. We recommend upgrading past commit https://www.google.com/url     https://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4     https://www.google.com/url (CVE-2022-42896)

  - A stack overflow flaw was found in the Linux kernel's SYSCTL subsystem in how a user changes certain     kernel parameters and variables. This flaw allows a local user to crash or potentially escalate their     privileges on the system. (CVE-2022-4378)

  - The Linux kernel NFSD implementation prior to versions 5.19.17 and 6.0.2 are vulnerable to buffer     overflow. NFSD tracks the number of pages held by each NFSD thread by combining the receive and send     buffers of a remote procedure call (RPC) into a single array of pages. A client can force the send buffer     to shrink by sending an RPC message over TCP with garbage data added at the end of the message. The RPC     message with garbage data is still correctly formed according to the specification and is passed forward     to handlers. Vulnerable code in NFSD is not expecting the oversized request and writes beyond the     allocated buffer space. CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H (CVE-2022-43945)

  - A race condition in the x86 KVM subsystem in the Linux kernel through 6.1-rc6 allows guest OS users to     cause a denial of service (host OS crash or host OS memory corruption) when nested virtualisation and the     TDP MMU are enabled. (CVE-2022-45869)

  - An issue was discovered in the Linux kernel through 6.0.9. drivers/char/xillybus/xillyusb.c has a race     condition and use-after-free during physical removal of a USB device. (CVE-2022-45888)

  - An issue was discovered in the Linux kernel through 6.0.10. l2cap_config_req in net/bluetooth/l2cap_core.c     has an integer wraparound via L2CAP_CONF_REQ packets. (CVE-2022-45934)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:4504-1 advisory.

  - A flaw was found in hw. Mis-trained branch predictions for return instructions may allow arbitrary     speculative code execution under certain microarchitecture-dependent conditions. (CVE-2022-23816)     (CVE-2022-2602)

  - There exists a use-after-free in io_uring in the Linux kernel. Signalfd_poll() and binder_poll() use a     waitqueue whose lifetime is the current task. It will send a POLLFREE notification to all waiters before     the queue is freed. Unfortunately, the io_uring poll doesn't handle POLLFREE. This allows a use-after-free     to occur if a signalfd or binder fd is polled with io_uring poll, and the waitqueue gets freed. We     recommend upgrading past commit fc78b2fc21f10c4c9c4d5d659a685710ffa63659 (CVE-2022-3176)

  - A vulnerability, which was classified as problematic, was found in Linux Kernel. This affects the function     tcp_getsockopt/tcp_setsockopt of the component TCP Handler. The manipulation leads to race condition. It     is recommended to apply a patch to fix this issue. The identifier VDB-211089 was assigned to this     vulnerability. (CVE-2022-3566)

  - A vulnerability has been found in Linux Kernel and classified as problematic. This vulnerability affects     the function inet6_stream_ops/inet6_dgram_ops of the component IPv6 Handler. The manipulation leads to     race condition. It is recommended to apply a patch to fix this issue. VDB-211090 is the identifier     assigned to this vulnerability. (CVE-2022-3567)

  - A vulnerability, which was classified as critical, has been found in Linux Kernel. Affected by this issue     is the function tst_timer of the file drivers/atm/idt77252.c of the component IPsec. The manipulation     leads to use after free. It is recommended to apply a patch to fix this issue. VDB-211934 is the     identifier assigned to this vulnerability. (CVE-2022-3635)

  - Guests can trigger NIC interface reset/abort/crash via netback It is possible for a guest to trigger a NIC     interface reset/abort/crash in a Linux based network backend by sending certain kinds of packets. It     appears to be an (unwritten?) assumption in the rest of the Linux network stack that packet protocol     headers are all contained within the linear section of the SKB and some NICs behave badly if this is not     the case. This has been reported to occur with Cisco (enic) and Broadcom NetXtrem II BCM5780 (bnx2x)     though it may be an issue with other NICs/drivers as well. In case the frontend is sending requests with     split headers, netback will forward those violating above mentioned assumption to the networking core,     resulting in said misbehavior. (CVE-2022-3643)

  - A double-free memory flaw was found in the Linux kernel. The Intel GVT-g graphics driver triggers VGA card     system resource overload, causing a fail in the intel_gvt_dma_map_guest_page function. This issue could     allow a local user to crash the system. (CVE-2022-3707)

  - An incorrect read request flaw was found in the Infrared Transceiver USB driver in the Linux kernel. This     issue occurs when a user attaches a malicious USB device. A local user could use this flaw to starve the     resources, causing denial of service or potentially crashing the system. (CVE-2022-3903)

  - A use-after-free flaw was found in Linux kernel before 5.19.2. This issue occurs in cmd_hdl_filter in     drivers/staging/rtl8712/rtl8712_cmd.c, allowing an attacker to launch a local denial of service attack and     gain escalation of privileges. (CVE-2022-4095)

  - A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol (L2TP). A missing lock when clearing     sk_user_data can lead to a race condition and NULL pointer dereference. A local user could use this flaw     to potentially crash the system causing a denial of service. (CVE-2022-4129)

  - An incorrect TLB flush issue was found in the Linux kernel's GPU i915 kernel driver, potentially leading     to random memory corruption or data leaks. This flaw could allow a local user to crash the system or     escalate their privileges on the system. (CVE-2022-4139)

  - roccat_report_event in drivers/hid/hid-roccat.c in the Linux kernel through 5.19.12 has a race condition     and resultant use-after-free in certain situations where a report is received while copying a     report->value is in progress. (CVE-2022-41850)

  - A flaw was found in the Linux kernel. A NULL pointer dereference may occur while a slip driver is in     progress to detach in sl_tx_timeout in drivers/net/slip/slip.c. This issue could allow an attacker to     crash the system or leak internal kernel information. (CVE-2022-41858)

  - Guests can trigger deadlock in Linux netback driver T[his CNA information record relates to multiple CVEs;
    the text explains which aspects/vulnerabilities correspond to which CVE.] The patch for XSA-392 introduced     another issue which might result in a deadlock when trying to free the SKB of a packet dropped due to the     XSA-392 handling (CVE-2022-42328). Additionally when dropping packages for other reasons the same deadlock     could occur in case of netpoll being active for the interface the xen-netback driver is connected to     (CVE-2022-42329). (CVE-2022-42328, CVE-2022-42329)

  - There is an infoleak vulnerability in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_parse_conf_req     function which can be used to leak kernel pointers remotely. We recommend upgrading past commit     https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e     https://www.google.com/url (CVE-2022-42895)

  - There are use-after-free vulnerabilities in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_connect     and l2cap_le_connect_req functions which may allow code execution and leaking kernel memory (respectively)     remotely via Bluetooth. A remote attacker could execute code leaking kernel memory via Bluetooth if within     proximity of the victim. We recommend upgrading past commit https://www.google.com/url     https://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4     https://www.google.com/url (CVE-2022-42896)

  - A stack overflow flaw was found in the Linux kernel's SYSCTL subsystem in how a user changes certain     kernel parameters and variables. This flaw allows a local user to crash or potentially escalate their     privileges on the system. (CVE-2022-4378)

  - The Linux kernel NFSD implementation prior to versions 5.19.17 and 6.0.2 are vulnerable to buffer     overflow. NFSD tracks the number of pages held by each NFSD thread by combining the receive and send     buffers of a remote procedure call (RPC) into a single array of pages. A client can force the send buffer     to shrink by sending an RPC message over TCP with garbage data added at the end of the message. The RPC     message with garbage data is still correctly formed according to the specification and is passed forward     to handlers. Vulnerable code in NFSD is not expecting the oversized request and writes beyond the     allocated buffer space. CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H (CVE-2022-43945)

  - A race condition in the x86 KVM subsystem in the Linux kernel through 6.1-rc6 allows guest OS users to     cause a denial of service (host OS crash or host OS memory corruption) when nested virtualisation and the     TDP MMU are enabled. (CVE-2022-45869)

  - An issue was discovered in the Linux kernel through 6.0.9. drivers/char/xillybus/xillyusb.c has a race     condition and use-after-free during physical removal of a USB device. (CVE-2022-45888)

  - An issue was discovered in the Linux kernel through 6.0.10. l2cap_config_req in net/bluetooth/l2cap_core.c     has an integer wraparound via L2CAP_CONF_REQ packets. (CVE-2022-45934)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
192277	RHEL 8 : kernel (RHSA-2024:1404)	Nessus	Red Hat Local Security Checks	high
191650	RHEL 8 : kernel (RHSA-2024:1188)	Nessus	Red Hat Local Security Checks	high
186109	Oracle Linux 8 : kernel (ELSA-2023-7077)	Nessus	Oracle Linux Local Security Checks	high
185679	RHEL 8 : kernel (RHSA-2023:7077)	Nessus	Red Hat Local Security Checks	high
185666	RHEL 8 : kernel-rt (RHSA-2023:6901)	Nessus	Red Hat Local Security Checks	high
179473	Rocky Linux 9 : kernel-rt (RLSA-2023:4378)	Nessus	Rocky Linux Local Security Checks	high
179330	Oracle Linux 9 : kernel (ELSA-2023-4377)	Nessus	Oracle Linux Local Security Checks	critical
179165	RHEL 9 : kernel (RHSA-2023:4377)	Nessus	Red Hat Local Security Checks	critical
179157	RHEL 9 : kernel-rt (RHSA-2023:4378)	Nessus	Red Hat Local Security Checks	critical
173106	Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2023-070)	Nessus	Amazon Linux Local Security Checks	high
172941	CBL Mariner 2.0 Security Update: kernel (CVE-2022-45869)	Nessus	MarinerOS Local Security Checks	medium
172619	Ubuntu 22.04 LTS : Linux kernel (Intel IoTG) vulnerabilities (USN-5962-1)	Nessus	Ubuntu Local Security Checks	high
172558	Ubuntu 22.10 : Linux kernel (KVM) vulnerabilities (USN-5950-1)	Nessus	Ubuntu Local Security Checks	high
172442	Ubuntu 22.04 LTS : Linux kernel (KVM) vulnerabilities (USN-5941-1)	Nessus	Ubuntu Local Security Checks	high
172366	Ubuntu 22.04 LTS : Linux kernel (GKE) vulnerabilities (USN-5938-1)	Nessus	Ubuntu Local Security Checks	high
172246	Ubuntu 22.04 LTS : Linux kernel vulnerabilities (USN-5935-1)	Nessus	Ubuntu Local Security Checks	high
172209	Ubuntu 22.10 : Linux kernel (Raspberry Pi) vulnerabilities (USN-5929-1)	Nessus	Ubuntu Local Security Checks	high
172136	Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-5912-1)	Nessus	Ubuntu Local Security Checks	high
172133	Ubuntu 22.04 LTS : Linux kernel vulnerabilities (USN-5911-1)	Nessus	Ubuntu Local Security Checks	high
171621	Slackware Linux 15.0 kernel-generic Multiple Vulnerabilities (SSA:2023-048-01)	Nessus	Slackware Local Security Checks	high
171395	Oracle Linux 8 : Unbreakable Enterprise kernel-container (ELSA-2023-12120)	Nessus	Oracle Linux Local Security Checks	high
171393	Oracle Linux 8 / 9 : Unbreakable Enterprise kernel (ELSA-2023-12116)	Nessus	Oracle Linux Local Security Checks	high
170458	Amazon Linux 2 : kernel (ALASKERNEL-5.15-2023-012)	Nessus	Amazon Linux Local Security Checks	high
169292	SUSE SLES15 Security Update : kernel (SUSE-SU-2022:4617-1)	Nessus	SuSE Local Security Checks	high
168948	SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2022:4585-1)	Nessus	SuSE Local Security Checks	high
168893	SUSE SLES15 Security Update : kernel (SUSE-SU-2022:4504-1)	Nessus	SuSE Local Security Checks	high

Detections

Analytics

CVE-2022-45869

medium

Tenable Plugins

high

high

high

high

high

high

critical

critical

critical

high

medium

high

high

high

high

high

high

high

high

high

high

high

high

high

high

high