The version of kernel installed on the remote host is prior to 4.14.273-140.502. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2022-1577 advisory.

    2024-08-29: CVE-2022-48855 was added to this advisory.

    A flaw was found in the Linux kernel in linux/net/netfilter/nf_tables_api.c of the netfilter subsystem.
    This flaw allows a local user to cause an out-of-bounds write issue. (CVE-2022-1015)

    A flaw was found in the Linux kernel in net/netfilter/nf_tables_core.c:nft_do_chain, which can cause a     use-after-free. This issue needs to handle return with proper preconditions, as it can lead to a kernel     information leak problem caused by a local, unprivileged attacker. (CVE-2022-1016)

    Product: AndroidVersions: Android kernelAndroid ID: A-224546354References: Upstream kernel     (CVE-2022-20368)

    In the Linux kernel, the following vulnerability has been resolved:

    sctp: fix kernel-infoleak for SCTP sockets (CVE-2022-48855)

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 Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:7444 advisory.

  - kernel: off-path attacker may inject data or terminate victim's TCP session (CVE-2020-36516)

  - kernel: race condition in VT_RESIZEX ioctl when vc_cons[i].d is already NULL leading to NULL pointer     dereference (CVE-2020-36558)

  - kernel: use-after-free vulnerability in function sco_sock_sendmsg() (CVE-2021-3640)

  - kernel: memory leak for large arguments in video_usercopy function in drivers/media/v4l2-core/v4l2-ioctl.c     (CVE-2021-30002)

  - kernel: smb2_ioctl_query_info NULL pointer dereference (CVE-2022-0168)

  - kernel: NULL pointer dereference in udf_expand_file_adinicbdue() during writeback (CVE-2022-0617)

  - kernel: swiotlb information leak with DMA_FROM_DEVICE (CVE-2022-0854)

  - kernel: uninitialized registers on stack in nft_do_chain can cause kernel pointer leakage to UM     (CVE-2022-1016)

  - kernel: race condition in snd_pcm_hw_free leading to use-after-free (CVE-2022-1048)

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

  - kernel: KVM: cmpxchg_gpte can write to pfns outside the userspace region (CVE-2022-1158)

  - kernel: use-after-free and memory errors in ext4 when mounting and operating on a corrupted image     (CVE-2022-1184)

  - kernel: KVM: NULL pointer dereference in kvm_dirty_ring_push in virt/kvm/dirty_ring.c (CVE-2022-1263)

  - kernel: NULL pointer dereference in x86_emulate_insn may lead to DoS (CVE-2022-1852)

  - kernel: buffer overflow in nft_set_desc_concat_parse() (CVE-2022-2078)

  - kernel: KVM: NULL pointer dereference in kvm_irq_delivery_to_apic_fast() (CVE-2022-2153)

  - kernel: LoadPin bypass via dm-verity table reload (CVE-2022-2503)

  - kernel: nf_tables cross-table potential use-after-free may lead to local privilege escalation     (CVE-2022-2586)

  - kernel: openvswitch: integer underflow leads to out-of-bounds write in reserve_sfa_size() (CVE-2022-2639)

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

  - kernel: hv_netvsc: NULL pointer dereference in netvsc_get_ethtool_stats() (CVE-2022-3107)

  - kernel: net/packet: slab-out-of-bounds access in packet_recvmsg() (CVE-2022-20368)

  - kernel: missing DM_TARGET_IMMUTABLE feature flag in verity_target in drivers/md/dm-verity-target.c     (CVE-2022-20572)

  - kernel: possible to use the debugger to write zero into a location of choice (CVE-2022-21499)

  - kernel: nfs_atomic_open() returns uninitialized data instead of ENOTDIR (CVE-2022-24448)

  - hw: cpu: Intel: Post-barrier Return Stack Buffer Predictions (CVE-2022-26373)

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

  - kernel: double free in ems_usb_start_xmit in drivers/net/can/usb/ems_usb.c (CVE-2022-28390)

  - kernel: use after free in SUNRPC subsystem (CVE-2022-28893)

  - kernel: use-after-free due to improper update of reference count in net/sched/cls_u32.c (CVE-2022-29581)

  - kernel: DoS in nfqnl_mangle in net/netfilter/nfnetlink_queue.c (CVE-2022-36946)

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

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2022:7683 advisory.

  - An issue was discovered in the Linux kernel through 5.16.11. The mixed IPID assignment method with the     hash-based IPID assignment policy allows an off-path attacker to inject data into a victim's TCP session     or terminate that session. (CVE-2020-36516)

  - A race condition in the Linux kernel before 5.5.7 involving VT_RESIZEX could lead to a NULL pointer     dereference and general protection fault. (CVE-2020-36558)

  - A flaw use-after-free in function sco_sock_sendmsg() of the Linux kernel HCI subsystem was found in the     way user calls ioct UFFDIO_REGISTER or other way triggers race condition of the call sco_conn_del()     together with the call sco_sock_sendmsg() with the expected controllable faulting memory page. A     privileged local user could use this flaw to crash the system or escalate their privileges on the system.
    (CVE-2021-3640)

  - An issue was discovered in the Linux kernel before 5.11.3 when a webcam device exists. video_usercopy in     drivers/media/v4l2-core/v4l2-ioctl.c has a memory leak for large arguments, aka CID-fb18802a338b.
    (CVE-2021-30002)

  - A denial of service (DOS) issue was found in the Linux kernel's smb2_ioctl_query_info function in the     fs/cifs/smb2ops.c Common Internet File System (CIFS) due to an incorrect return from the memdup_user     function. This flaw allows a local, privileged (CAP_SYS_ADMIN) attacker to crash the system.
    (CVE-2022-0168)

  - A flaw null pointer dereference in the Linux kernel UDF file system functionality was found in the way     user triggers udf_file_write_iter function for the malicious UDF image. A local user could use this flaw     to crash the system. Actual from Linux kernel 4.2-rc1 till 5.17-rc2. (CVE-2022-0617)

  - A memory leak flaw was found in the Linux kernel's DMA subsystem, in the way a user calls DMA_FROM_DEVICE.
    This flaw allows a local user to read random memory from the kernel space. (CVE-2022-0854)

  - A flaw was found in the Linux kernel in net/netfilter/nf_tables_core.c:nft_do_chain, which can cause a     use-after-free. This issue needs to handle 'return' with proper preconditions, as it can lead to a kernel     information leak problem caused by a local, unprivileged attacker. (CVE-2022-1016)

  - A use-after-free flaw was found in the Linux kernel's sound subsystem in the way a user triggers     concurrent calls of PCM hw_params. The hw_free ioctls or similar race condition happens inside ALSA PCM     for other ioctls. This flaw allows a local user to crash or potentially escalate their privileges on the     system. (CVE-2022-1048)

  - A use-after-free exists in the Linux Kernel in tc_new_tfilter that could allow a local attacker to gain     privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past     commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5 (CVE-2022-1055)

  - A use-after-free flaw was found in fs/ext4/namei.c:dx_insert_block() in the Linux kernel's filesystem sub-     component. This flaw allows a local attacker with a user privilege to cause a denial of service.
    (CVE-2022-1184)

  - A NULL pointer dereference flaw was found in the Linux kernel's KVM module, which can lead to a denial of     service in the x86_emulate_insn in arch/x86/kvm/emulate.c. This flaw occurs while executing an illegal     instruction in guest in the Intel CPU. (CVE-2022-1852)

  - A vulnerability was found in the Linux kernel's nft_set_desc_concat_parse() function .This flaw allows an     attacker to trigger a buffer overflow via nft_set_desc_concat_parse() , causing a denial of service and     possibly to run code. (CVE-2022-2078)

  - An integer coercion error was found in the openvswitch kernel module. Given a sufficiently large number of     actions, while copying and reserving memory for a new action of a new flow, the reserve_sfa_size()     function does not return -EMSGSIZE as expected, potentially leading to an out-of-bounds write access. This     flaw allows a local user to crash or potentially escalate their privileges on the system. (CVE-2022-2639)

  - A flaw was found in the Linux kernel's implementation of Pressure Stall Information. While the feature is     disabled by default, it could allow an attacker to crash the system or have other memory-corruption side     effects. (CVE-2022-2938)

  - Product: AndroidVersions: Android kernelAndroid ID: A-224546354References: Upstream kernel     (CVE-2022-20368)

  - KGDB and KDB allow read and write access to kernel memory, and thus should be restricted during lockdown.
    An attacker with access to a serial port could trigger the debugger so it is important that the debugger     respect the lockdown mode when/if it is triggered. (CVE-2022-21499)

  - Certain Arm Cortex and Neoverse processors through 2022-03-08 do not properly restrict cache speculation,     aka Spectre-BHB. An attacker can leverage the shared branch history in the Branch History Buffer (BHB) to     influence mispredicted branches. Then, cache allocation can allow the attacker to obtain sensitive     information. (CVE-2022-23960)

  - An issue was discovered in fs/nfs/dir.c in the Linux kernel before 5.16.5. If an application sets the     O_DIRECTORY flag, and tries to open a regular file, nfs_atomic_open() performs a regular lookup. If a     regular file is found, ENOTDIR should occur, but the server instead returns uninitialized data in the file     descriptor. (CVE-2022-24448)

  - Non-transparent sharing of return predictor targets between contexts in some Intel(R) Processors may allow     an authorized user to potentially enable information disclosure via local access. (CVE-2022-26373)

  - In drivers/hid/hid-elo.c in the Linux kernel before 5.16.11, a memory leak exists for a certain hid_parse     error condition. (CVE-2022-27950)

  - ems_usb_start_xmit in drivers/net/can/usb/ems_usb.c in the Linux kernel through 5.17.1 has a double free.
    (CVE-2022-28390)

  - The SUNRPC subsystem in the Linux kernel through 5.17.2 can call xs_xprt_free before ensuring that sockets     are in the intended state. (CVE-2022-28893)

  - Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to     cause privilege escalation to root. This issue affects: Linux Kernel versions prior to 5.18; version 4.14     and later versions. (CVE-2022-29581)

  - nfqnl_mangle in net/netfilter/nfnetlink_queue.c in the Linux kernel through 5.18.14 allows remote     attackers to cause a denial of service (panic) because, in the case of an nf_queue verdict with a one-byte     nfta_payload attribute, an skb_pull can encounter a negative skb->len. (CVE-2022-36946)

  - kernel: nf_tables cross-table potential use-after-free may lead to local privilege escalation     (CVE-2022-2586)

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-2022-8267 advisory.

  - A use-after-free flaw was found in fs/ext4/namei.c:dx_insert_block() in the Linux kernel's filesystem sub-     component. This flaw allows a local attacker with a user privilege to cause a denial of service.
    (CVE-2022-1184)

  - The SUNRPC subsystem in the Linux kernel through 5.17.2 can call xs_xprt_free before ensuring that sockets     are in the intended state. (CVE-2022-28893)

  - KGDB and KDB allow read and write access to kernel memory, and thus should be restricted during lockdown.
    An attacker with access to a serial port could trigger the debugger so it is important that the debugger     respect the lockdown mode when/if it is triggered. (CVE-2022-21499)

  - An issue was discovered in net/netfilter/nf_tables_api.c in the Linux kernel before 5.19.6. A denial of     service can occur upon binding to an already bound chain. (CVE-2022-39190)

  - An integer coercion error was found in the openvswitch kernel module. Given a sufficiently large number of     actions, while copying and reserving memory for a new action of a new flow, the reserve_sfa_size()     function does not return -EMSGSIZE as expected, potentially leading to an out-of-bounds write access. This     flaw allows a local user to crash or potentially escalate their privileges on the system. (CVE-2022-2639)

  - Incomplete cleanup of multi-core shared buffers for some Intel(R) Processors may allow an authenticated     user to potentially enable information disclosure via local access. (CVE-2022-21123)

  - A flaw use-after-free in function sco_sock_sendmsg() of the Linux kernel HCI subsystem was found in the     way user calls ioct UFFDIO_REGISTER or other way triggers race condition of the call sco_conn_del()     together with the call sco_sock_sendmsg() with the expected controllable faulting memory page. A     privileged local user could use this flaw to crash the system or escalate their privileges on the system.
    (CVE-2021-3640)

  - A denial of service (DOS) issue was found in the Linux kernel's smb2_ioctl_query_info function in the     fs/cifs/smb2ops.c Common Internet File System (CIFS) due to an incorrect return from the memdup_user     function. This flaw allows a local, privileged (CAP_SYS_ADMIN) attacker to crash the system.
    (CVE-2022-0168)

  - A use-after-free flaw was found in the Linux kernel's Atheros wireless adapter driver in the way a user     forces the ath9k_htc_wait_for_target function to fail with some input messages. This flaw allows a local     user to crash or potentially escalate their privileges on the system. (CVE-2022-1679)

  - Incomplete cleanup in specific special register write operations for some Intel(R) Processors may allow an     authenticated user to potentially enable information disclosure via local access. (CVE-2022-21166)

  - nfqnl_mangle in net/netfilter/nfnetlink_queue.c in the Linux kernel through 5.18.14 allows remote     attackers to cause a denial of service (panic) because, in the case of an nf_queue verdict with a one-byte     nfta_payload attribute, an skb_pull can encounter a negative skb->len. (CVE-2022-36946)

  - kernel: nf_tables cross-table potential use-after-free may lead to local privilege escalation     (CVE-2022-2586)

  - Product: AndroidVersions: Android kernelAndroid ID: A-224546354References: Upstream kernel     (CVE-2022-20368)

  - An issue was discovered in the Linux kernel through 5.16.11. The mixed IPID assignment method with the     hash-based IPID assignment policy allows an off-path attacker to inject data into a victim's TCP session     or terminate that session. (CVE-2020-36516)

  - A flaw null pointer dereference in the Linux kernel UDF file system functionality was found in the way     user triggers udf_file_write_iter function for the malicious UDF image. A local user could use this flaw     to crash the system. Actual from Linux kernel 4.2-rc1 till 5.17-rc2. (CVE-2022-0617)

  - ems_usb_start_xmit in drivers/net/can/usb/ems_usb.c in the Linux kernel through 5.17.1 has a double free.
    (CVE-2022-28390)

  - Incomplete cleanup of microarchitectural fill buffers on some Intel(R) Processors may allow an     authenticated user to potentially enable information disclosure via local access. (CVE-2022-21125)

  - Aliases in the branch predictor may cause some AMD processors to predict the wrong branch type potentially     leading to information disclosure. (CVE-2022-23825)

  - Non-transparent sharing of return predictor targets between contexts in some Intel(R) Processors may allow     an authorized user to potentially enable information disclosure via local access. (CVE-2022-26373)

  - A use-after-free flaw was found in the Linux kernel's sound subsystem in the way a user triggers     concurrent calls of PCM hw_params. The hw_free ioctls or similar race condition happens inside ALSA PCM     for other ioctls. This flaw allows a local user to crash or potentially escalate their privileges on the     system. (CVE-2022-1048)

  - A vulnerability was found in the pfkey_register function in net/key/af_key.c in the Linux kernel. This     flaw allows a local, unprivileged user to gain access to kernel memory, leading to a system crash or a     leak of internal kernel information. (CVE-2022-1353)

  - A use-after-free vulnerability was found in drm_lease_held in drivers/gpu/drm/drm_lease.c in the Linux     kernel due to a race problem. This flaw allows a local user privilege attacker to cause a denial of     service (DoS) or a kernel information leak. (CVE-2022-1280)

  - A use after free in the Linux kernel File System notify functionality was found in the way user triggers     copy_info_records_to_user() call to fail in copy_event_to_user(). A local user could use this flaw to     crash the system or potentially escalate their privileges on the system. (CVE-2022-1998)

  - Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to     cause privilege escalation to root. This issue affects: Linux Kernel versions prior to 5.18; version 4.14     and later versions. (CVE-2022-29581)

  - Intel microprocessor generations 6 to 8 are affected by a new Spectre variant that is able to bypass their     retpoline mitigation in the kernel to leak arbitrary data. An attacker with unprivileged user access can     hijack return instructions to achieve arbitrary speculative code execution under certain     microarchitecture-dependent conditions. (CVE-2022-29901)

  - A memory leak flaw was found in the Linux kernel's DMA subsystem, in the way a user calls DMA_FROM_DEVICE.
    This flaw allows a local user to read random memory from the kernel space. (CVE-2022-0854)

  - An issue was discovered in fs/nfs/dir.c in the Linux kernel before 5.16.5. If an application sets the     O_DIRECTORY flag, and tries to open a regular file, nfs_atomic_open() performs a regular lookup. If a     regular file is found, ENOTDIR should occur, but the server instead returns uninitialized data in the file     descriptor. (CVE-2022-24448)

  - Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution     under certain microarchitecture-dependent conditions. (CVE-2022-29900)

  - A flaw was found in the Linux kernel in net/netfilter/nf_tables_core.c:nft_do_chain, which can cause a     use-after-free. This issue needs to handle 'return' with proper preconditions, as it can lead to a kernel     information leak problem caused by a local, unprivileged attacker. (CVE-2022-1016)

  - A NULL pointer dereference flaw was found in the Linux kernel's KVM module, which can lead to a denial of     service in the x86_emulate_insn in arch/x86/kvm/emulate.c. This flaw occurs while executing an illegal     instruction in guest in the Intel CPU. (CVE-2022-1852)

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-2024:3249-1 advisory.

    The SUSE Linux Enterprise 15 SP3 kernel was updated to receive various security bugfixes.

    The following security bugs were fixed:

    - CVE-2024-44947: Initialize beyond-EOF page contents before setting uptodate (bsc#1229454).
    - CVE-2022-48919: Fix double free race when mount fails in cifs_get_root() (bsc#1229657).
    - CVE-2023-52854: Fix refcnt handling in padata_free_shell() (bsc#1225584).
    - CVE-2024-43883: Do not drop references before new references are gained (bsc#1229707).
    - CVE-2024-41062: Sync sock recv cb and release (bsc#1228576).
    - CVE-2024-43861: Fix memory leak for not ip packets (bsc#1229500).
    - CVE-2024-43882: Fixed ToCToU between perm check and set-uid/gid usage. (bsc#1229503)
    - CVE-2022-48912: Fix use-after-free in __nf_register_net_hook() (bsc#1229641)
    - CVE-2022-48872: Fix use-after-free race condition for maps (bsc#1229510).
    - CVE-2022-48873: Do not remove map on creater_process and device_release (bsc#1229512).
    - CVE-2024-42271: Fixed a use after free in iucv_sock_close(). (bsc#1229400)
    - CVE-2024-42232: Fixed a race between delayed_work() and ceph_monc_stop(). (bsc#1228959)
    - CVE-2024-40910: Fix refcount imbalance on inbound connections (bsc#1227832).
    - CVE-2022-48686: Fixed UAF when detecting digest errors (bsc#1223948).
    - CVE-2024-41009: bpf: Fix overrunning reservations in ringbuf (bsc#1228020).
    - CVE-2022-48791: Fix use-after-free for aborted TMF sas_task (bsc#1228002)


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

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	Published	Updated	Severity
159561	Amazon Linux AMI : kernel (ALAS-2022-1577)	Nessus	Amazon Linux Local Security Checks	4/6/2022	8/30/2024	high
167095	RHEL 8 : kernel-rt (RHSA-2022:7444)	Nessus	Red Hat Local Security Checks	11/8/2022	6/26/2024	high
167447	AlmaLinux 8 : kernel (ALSA-2022:7683)	Nessus	Alma Linux Local Security Checks	11/14/2022	6/26/2024	high
168085	Oracle Linux 9 : kernel (ELSA-2022-8267)	Nessus	Oracle Linux Local Security Checks	11/22/2022	6/26/2024	high
207333	SUSE SLES15 Security Update : kernel (SUSE-SU-2024:3249-1)	Nessus	SuSE Local Security Checks	9/17/2024	9/17/2024	high

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