The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4284-1 advisory.

    It was discovered that the Linux kernel did not properly clear data structures on context switches for     certain Intel graphics processors. A local attacker could use this to expose sensitive information.
    (CVE-2019-14615)

    It was discovered that the Atheros 802.11ac wireless USB device driver in the Linux kernel did not     properly validate device metadata. A physically proximate attacker could use this to cause a denial of     service (system crash). (CVE-2019-15099)

    It was discovered that the HSA Linux kernel driver for AMD GPU devices did not properly check for errors     in certain situations, leading to a NULL pointer dereference. A local attacker could possibly use this to     cause a denial of service. (CVE-2019-16229)

    It was discovered that the Marvell 8xxx Libertas WLAN device driver in the Linux kernel did not properly     check for errors in certain situations, leading to a NULL pointer dereference. A local attacker could     possibly use this to cause a denial of service. (CVE-2019-16232)

    It was discovered that a race condition existed in the Virtual Video Test Driver in the Linux kernel. An     attacker with write access to /dev/video0 on a system with the vivid module loaded could possibly use this     to gain administrative privileges. (CVE-2019-18683)

    It was discovered that the Renesas Digital Radio Interface (DRIF) driver in the Linux kernel did not     properly initialize data. A local attacker could possibly use this to expose sensitive information (kernel     memory). (CVE-2019-18786)

    It was discovered that the Sound Open Firmware (SOF) driver in the Linux kernel did not properly     deallocate memory in certain error conditions. A local attacker could use this to cause a denial of     service (kernel memory exhaustion). (CVE-2019-18811)

    It was discovered that the crypto subsystem in the Linux kernel did not properly deallocate memory in     certain error conditions. A local attacker could use this to cause a denial of service (kernel memory     exhaustion). (CVE-2019-19050, CVE-2019-19062)

    It was discovered that multiple memory leaks existed in the Marvell WiFi-Ex Driver for the Linux kernel. A     local attacker could possibly use this to cause a denial of service (kernel memory exhaustion).
    (CVE-2019-19057)

    It was discovered that the Realtek rtlwifi USB device driver in the Linux kernel did not properly     deallocate memory in certain error conditions. A local attacker could possibly use this to cause a denial     of service (kernel memory exhaustion). (CVE-2019-19063)

    It was discovered that the RSI 91x WLAN device driver in the Linux kernel did not properly deallocate     memory in certain error conditions. A local attacker could use this to cause a denial of service (kernel     memory exhaustion). (CVE-2019-19071)

    It was discovered that the Broadcom Netxtreme HCA device driver in the Linux kernel did not properly     deallocate memory in certain error conditions. A local attacker could possibly use this to cause a denial     of service (kernel memory exhaustion). (CVE-2019-19077)

    It was discovered that the Atheros 802.11ac wireless USB device driver in the Linux kernel did not     properly deallocate memory in certain error conditions. A local attacker could possibly use this to cause     a denial of service (kernel memory exhaustion). (CVE-2019-19078)

    It was discovered that the AMD GPU device drivers in the Linux kernel did not properly deallocate memory     in certain error conditions. A local attacker could use this to possibly cause a denial of service (kernel     memory exhaustion). (CVE-2019-19082)

    It was discovered that the IO uring implementation in the Linux kernel did not properly perform     credentials checks in certain situations. A local attacker could possibly use this to gain administrative     privileges. (CVE-2019-19241)

    Or Cohen discovered that the virtual console subsystem in the Linux kernel did not properly restrict     writes to unimplemented vcsu (unicode) devices. A local attacker could possibly use this to cause a denial     of service (system crash) or have other unspecified impacts. (CVE-2019-19252)

    It was discovered that the KVM hypervisor implementation in the Linux kernel did not properly handle ioctl     requests to get emulated CPUID features. An attacker with access to /dev/kvm could use this to cause a     denial of service (system crash). (CVE-2019-19332)

    It was discovered that a race condition existed in the Linux kernel on x86 platforms when keeping track of     which process was assigned control of the FPU. A local attacker could use this to cause a denial of     service (memory corruption) or possibly gain administrative privileges. (CVE-2019-19602)

    It was discovered that the ext4 file system implementation in the Linux kernel did not properly handle     certain conditions. An attacker could use this to specially craft an ext4 file system that, when mounted,     could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-19767)

    It was discovered that the Kvaser CAN/USB driver in the Linux kernel did not properly initialize memory in     certain situations. A local attacker could possibly use this to expose sensitive information (kernel     memory). (CVE-2019-19947)

    Gao Chuan discovered that the SAS Class driver in the Linux kernel contained a race condition that could     lead to a NULL pointer dereference. A local attacker could possibly use this to cause a denial of service     (system crash). (CVE-2019-19965)

    It was discovered that the B2C2 FlexCop USB device driver in the Linux kernel did not properly validate     device metadata. A physically proximate attacker could use this to cause a denial of service (system     crash). (CVE-2019-15291)

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 Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-4431 advisory.

    - [fs] xfs: fix boundary test in xfs_attr_shortform_verify (Eric Sandeen) [1875316] {CVE-2020-14385}
    - [net] packet: fix overflow in tpacket_rcv (Hangbin Liu) [1876224] {CVE-2020-14386}
    - [net] packet: make tp_drops atomic (Hangbin Liu) [1876224] {CVE-2020-14386}
    - [kernel] Move to dual-signing to split signing keys up better (Frantisek Hrbata) [1837434]     {CVE-2020-10713}
    - [video] vgacon: Fix for missing check in scrollback handling (Lyude Paul) [1859472] {CVE-2020-14331}
    - [fs] chardev: Avoid potential use-after-free in chrdev_open() (Vladis Dronov) [1866324] {CVE-2020-0305}

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 5.4.20-12.75. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.4-2024-066 advisory.

  - fpregs_state_valid in arch/x86/include/asm/fpu/internal.h in the Linux kernel before 5.4.2, when GCC 9 is     used, allows context-dependent attackers to cause a denial of service (memory corruption) or possibly have     unspecified other impact because of incorrect fpu_fpregs_owner_ctx caching, as demonstrated by mishandling     of signal-based non-cooperative preemption in Go 1.14 prereleases on amd64, aka CID-59c4bd853abc.
    (CVE-2019-19602)

  - In the Linux kernel through 5.4.6, there is a NULL pointer dereference in     drivers/scsi/libsas/sas_discover.c because of mishandling of port disconnection during discovery, related     to a PHY down race condition, aka CID-f70267f379b5. (CVE-2019-19965)

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

This plugin has been deprecated as it does not adhere to established standards for this style of check.

The remote Redhat Enterprise Linux 7 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - kernel: stack-based buffer overflow in chap_server_compute_md5() in iscsi target (CVE-2018-14633)

  - kernel: infinite loop in update_blocked_averages() in kernel/sched/fair.c leading to denial of service     (CVE-2018-20784)

  - The compat_get_timex function in kernel/compat.c in the Linux kernel before 4.16.9 allows local users to     obtain sensitive information from kernel memory via adjtimex. (CVE-2018-11508)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:4431 advisory.

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

    Security Fix(es):

    * kernel: use after free in the video driver leads to local privilege escalation (CVE-2019-9458)

    * kernel: use-after-free in drivers/bluetooth/hci_ldisc.c (CVE-2019-15917)

    * kernel: out-of-bounds access in function hclge_tm_schd_mode_vnet_base_cfg (CVE-2019-15925)

    * kernel: memory leak in ccp_run_sha_cmd() (CVE-2019-18808)

    * kernel: Denial Of Service in the __ipmi_bmc_register() (CVE-2019-19046)

    * kernel: out-of-bounds write in ext4_xattr_set_entry (CVE-2019-19319)

    * Kernel: kvm: OOB memory write via kvm_dev_ioctl_get_cpuid (CVE-2019-19332)

    * kernel: use-after-free in ext4_put_super (CVE-2019-19447)

    * kernel: a malicious USB device in the drivers/input/ff-memless.c leads to use-after-free     (CVE-2019-19524)

    * kernel: race condition caused by a malicious USB device in the USB character device driver layer     (CVE-2019-19537)

    * kernel: use-after-free in serial_ir_init_module() (CVE-2019-19543)

    * kernel: use-after-free in __ext4_expand_extra_isize and ext4_xattr_set_entry (CVE-2019-19767)

    * kernel: use-after-free in debugfs_remove (CVE-2019-19770)

    * kernel: out-of-bounds write via crafted keycode table (CVE-2019-20636)

    * kernel: possible use-after-free due to a race condition in cdev_get  (CVE-2020-0305)

    * kernel: out-of-bounds read in in vc_do_resize function (CVE-2020-8647)

    * kernel: use-after-free in n_tty_receive_buf_common function (CVE-2020-8648)

    * kernel: invalid read location in vgacon_invert_region function (CVE-2020-8649)

    * kernel: uninitialized kernel data leak in userspace coredumps (CVE-2020-10732)

    * kernel: SELinux netlink permission check bypass (CVE-2020-10751)

    * kernel: out-of-bounds write in mpol_parse_str  (CVE-2020-11565)

    * kernel: mishandles invalid descriptors in drivers/media/usb/gspca/xirlink_cit.c (CVE-2020-11668)

    * kernel: buffer overflow in mt76_add_fragment function (CVE-2020-12465)

    * kernel: xdp_umem_reg in net/xdp/xdp_umem.c has an out-of-bounds write which could result in crash and     data coruption (CVE-2020-12659)

    * kernel: sg_write function lacks an sg_remove_request call in a certain failure case (CVE-2020-12770)

    * kernel: possible to send arbitrary signals to a privileged (suidroot) parent process (CVE-2020-12826)

    * kernel: referencing inode of removed superblock in get_futex_key() causes UAF (CVE-2020-14381)

    * kernel: soft-lockups in iov_iter_copy_from_user_atomic() could result in DoS (CVE-2020-25641)

    * kernel: kernel pointer leak due to WARN_ON statement in video driver leads to local information     disclosure (CVE-2019-9455)

    * kernel: null pointer dereference in dlpar_parse_cc_property  (CVE-2019-12614)

    * kernel: null-pointer dereference in drivers/net/fjes/fjes_main.c (CVE-2019-16231)

    * kernel: null pointer dereference in drivers/scsi/qla2xxx/qla_os.c (CVE-2019-16233)

    * kernel: memory leak in  af9005_identify_state() function (CVE-2019-18809)

    * kernel: A memory leak in the mwifiex_pcie_alloc_cmdrsp_buf() function (CVE-2019-19056)

    * kernel: memory leak in the crypto_report() function (CVE-2019-19062)

    * kernel: Two memory leaks in the rtl_usb_probe() function (CVE-2019-19063)

    * kernel: A memory leak in the rtl8xxxu_submit_int_urb() function (CVE-2019-19068)

    * kernel: A memory leak in the predicate_parse() function (CVE-2019-19072)

    * kernel: information leak bug caused  by a malicious USB device in the drivers/media/usb/ttusb-     dec/ttusb_dec.c (CVE-2019-19533)

    * kernel: Null pointer dereference in drop_sysctl_table() (CVE-2019-20054)

    * kernel: kernel stack information leak on s390/s390x (CVE-2020-10773)

    * kernel: possibility of memory disclosure when reading the file /proc/sys/kernel/rh_features     (CVE-2020-10774)

    * kernel: vhost-net: stack overflow in get_raw_socket while checking sk_family field (CVE-2020-10942)

    * kernel: sync of excessive duration via an XFS v5 image with crafted metadata (CVE-2020-12655)

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 AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2020:4431 advisory.

  - In the Android kernel in the video driver there is a kernel pointer leak due to a WARN_ON statement. This     could lead to local information disclosure with System execution privileges needed. User interaction is     not needed for exploitation. (CVE-2019-9455)

  - In the Android kernel in the video driver there is a use after free due to a race condition. This could     lead to local escalation of privilege with no additional execution privileges needed. User interaction is     not needed for exploitation. (CVE-2019-9458)

  - An issue was discovered in dlpar_parse_cc_property in arch/powerpc/platforms/pseries/dlpar.c in the Linux     kernel through 5.1.6. There is an unchecked kstrdup of prop->name, which might allow an attacker to cause     a denial of service (NULL pointer dereference and system crash). (CVE-2019-12614)

  - An issue was discovered in the Linux kernel before 5.0.5. There is a use-after-free issue when     hci_uart_register_dev() fails in hci_uart_set_proto() in drivers/bluetooth/hci_ldisc.c. (CVE-2019-15917)

  - An issue was discovered in the Linux kernel before 5.2.3. An out of bounds access exists in the function     hclge_tm_schd_mode_vnet_base_cfg in the file drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c.
    (CVE-2019-15925)

  - drivers/net/fjes/fjes_main.c in the Linux kernel 5.2.14 does not check the alloc_workqueue return value,     leading to a NULL pointer dereference. (CVE-2019-16231)

  - drivers/scsi/qla2xxx/qla_os.c in the Linux kernel 5.2.14 does not check the alloc_workqueue return value,     leading to a NULL pointer dereference. (CVE-2019-16233)

  - A memory leak in the ccp_run_sha_cmd() function in drivers/crypto/ccp/ccp-ops.c in the Linux kernel     through 5.3.9 allows attackers to cause a denial of service (memory consumption), aka CID-128c66429247.
    (CVE-2019-18808)

  - A memory leak in the af9005_identify_state() function in drivers/media/usb/dvb-usb/af9005.c in the Linux     kernel through 5.3.9 allows attackers to cause a denial of service (memory consumption), aka     CID-2289adbfa559. (CVE-2019-18809)

  - ** DISPUTED ** A memory leak in the __ipmi_bmc_register() function in drivers/char/ipmi/ipmi_msghandler.c     in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by     triggering ida_simple_get() failure, aka CID-4aa7afb0ee20. NOTE: third parties dispute the relevance of     this because an attacker cannot realistically control this failure at probe time. (CVE-2019-19046)

  - A memory leak in the mwifiex_pcie_alloc_cmdrsp_buf() function in     drivers/net/wireless/marvell/mwifiex/pcie.c in the Linux kernel through 5.3.11 allows attackers to cause a     denial of service (memory consumption) by triggering mwifiex_map_pci_memory() failures, aka CID-     db8fd2cde932. (CVE-2019-19056)

  - A memory leak in the crypto_report() function in crypto/crypto_user_base.c in the Linux kernel through     5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering     crypto_report_alg() failures, aka CID-ffdde5932042. (CVE-2019-19062)

  - Two memory leaks in the rtl_usb_probe() function in drivers/net/wireless/realtek/rtlwifi/usb.c in the     Linux kernel through 5.3.11 allow attackers to cause a denial of service (memory consumption), aka     CID-3f9361695113. (CVE-2019-19063)

  - A memory leak in the rtl8xxxu_submit_int_urb() function in     drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c in the Linux kernel through 5.3.11 allows attackers     to cause a denial of service (memory consumption) by triggering usb_submit_urb() failures, aka     CID-a2cdd07488e6. (CVE-2019-19068)

  - A memory leak in the predicate_parse() function in kernel/trace/trace_events_filter.c in the Linux kernel     through 5.3.11 allows attackers to cause a denial of service (memory consumption), aka CID-96c5c6e6a5b6.
    (CVE-2019-19072)

  - In the Linux kernel before 5.2, a setxattr operation, after a mount of a crafted ext4 image, can cause a     slab-out-of-bounds write access because of an ext4_xattr_set_entry use-after-free in fs/ext4/xattr.c when     a large old_size value is used in a memset call, aka CID-345c0dbf3a30. (CVE-2019-19319)

  - An out-of-bounds memory write issue was found in the Linux Kernel, version 3.13 through 5.4, in the way     the Linux kernel's KVM hypervisor handled the 'KVM_GET_EMULATED_CPUID' ioctl(2) request to get CPUID     features emulated by the KVM hypervisor. A user or process able to access the '/dev/kvm' device could use     this flaw to crash the system, resulting in a denial of service. (CVE-2019-19332)

  - In the Linux kernel 5.0.21, mounting a crafted ext4 filesystem image, performing some operations, and     unmounting can lead to a use-after-free in ext4_put_super in fs/ext4/super.c, related to dump_orphan_list     in fs/ext4/super.c. (CVE-2019-19447)

  - In the Linux kernel before 5.3.12, there is a use-after-free bug that can be caused by a malicious USB     device in the drivers/input/ff-memless.c driver, aka CID-fa3a5a1880c9. (CVE-2019-19524)

  - In the Linux kernel before 5.3.4, there is an info-leak bug that can be caused by a malicious USB device     in the drivers/media/usb/ttusb-dec/ttusb_dec.c driver, aka CID-a10feaf8c464. (CVE-2019-19533)

  - In the Linux kernel before 5.2.10, there is a race condition bug that can be caused by a malicious USB     device in the USB character device driver layer, aka CID-303911cfc5b9. This affects     drivers/usb/core/file.c. (CVE-2019-19537)

  - In the Linux kernel before 5.1.6, there is a use-after-free in serial_ir_init_module() in     drivers/media/rc/serial_ir.c. (CVE-2019-19543)

  - fpregs_state_valid in arch/x86/include/asm/fpu/internal.h in the Linux kernel before 5.4.2, when GCC 9 is     used, allows context-dependent attackers to cause a denial of service (memory corruption) or possibly have     unspecified other impact because of incorrect fpu_fpregs_owner_ctx caching, as demonstrated by mishandling     of signal-based non-cooperative preemption in Go 1.14 prereleases on amd64, aka CID-59c4bd853abc.
    (CVE-2019-19602)

  - The Linux kernel before 5.4.2 mishandles ext4_expand_extra_isize, as demonstrated by use-after-free errors     in __ext4_expand_extra_isize and ext4_xattr_set_entry, related to fs/ext4/inode.c and fs/ext4/super.c, aka     CID-4ea99936a163. (CVE-2019-19767)

  - ** DISPUTED ** In the Linux kernel 4.19.83, there is a use-after-free (read) in the debugfs_remove     function in fs/debugfs/inode.c (which is used to remove a file or directory in debugfs that was previously     created with a call to another debugfs function such as debugfs_create_file). NOTE: Linux kernel     developers dispute this issue as not being an issue with debugfs, instead this is an issue with misuse of     debugfs within blktrace. (CVE-2019-19770)

  - In the Linux kernel before 5.0.6, there is a NULL pointer dereference in drop_sysctl_table() in     fs/proc/proc_sysctl.c, related to put_links, aka CID-23da9588037e. (CVE-2019-20054)

  - In the Linux kernel before 5.4.12, drivers/input/input.c has out-of-bounds writes via a crafted keycode     table, as demonstrated by input_set_keycode, aka CID-cb222aed03d7. (CVE-2019-20636)

  - In cdev_get of char_dev.c, there is a possible use-after-free due to a race condition. This could lead to     local escalation of privilege with System execution privileges needed. User interaction is not needed for     exploitation.Product: AndroidVersions: Android-10Android ID: A-153467744 (CVE-2020-0305)

  - In audit_free_lsm_field of auditfilter.c, there is a possible bad kfree due to a logic error in     audit_data_to_entry. This could lead to local escalation of privilege with no additional execution     privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android     kernelAndroid ID: A-150693166References: Upstream kernel (CVE-2020-0444)

  - There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the vc_do_resize function in     drivers/tty/vt/vt.c. (CVE-2020-8647)

  - There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the n_tty_receive_buf_common     function in drivers/tty/n_tty.c. (CVE-2020-8648)

  - There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the vgacon_invert_region     function in drivers/video/console/vgacon.c. (CVE-2020-8649)

  - A flaw was found in the Linux kernel's implementation of Userspace core dumps. This flaw allows an     attacker with a local account to crash a trivial program and exfiltrate private kernel data.
    (CVE-2020-10732)

  - A flaw was found in the Linux kernels SELinux LSM hook implementation before version 5.7, where it     incorrectly assumed that an skb would only contain a single netlink message. The hook would incorrectly     only validate the first netlink message in the skb and allow or deny the rest of the messages within the     skb with the granted permission without further processing. (CVE-2020-10751)

  - A stack information leak flaw was found in s390/s390x in the Linux kernel's memory manager functionality,     where it incorrectly writes to the /proc/sys/vm/cmm_timeout file. This flaw allows a local user to see the     kernel data. (CVE-2020-10773)

  - A memory disclosure flaw was found in the Linux kernel's versions before 4.18.0-193.el8 in the sysctl     subsystem when reading the /proc/sys/kernel/rh_features file. This flaw allows a local user to read     uninitialized values from the kernel memory. The highest threat from this vulnerability is to     confidentiality. (CVE-2020-10774)

  - In the Linux kernel before 5.5.8, get_raw_socket in drivers/vhost/net.c lacks validation of an sk_family     field, which might allow attackers to trigger kernel stack corruption via crafted system calls.
    (CVE-2020-10942)

  - ** DISPUTED ** An issue was discovered in the Linux kernel through 5.6.2. mpol_parse_str in mm/mempolicy.c     has a stack-based out-of-bounds write because an empty nodelist is mishandled during mount option parsing,     aka CID-aa9f7d5172fa. NOTE: Someone in the security community disagrees that this is a vulnerability     because the issue is a bug in parsing mount options which can only be specified by a privileged user, so     triggering the bug does not grant any powers not already held.. (CVE-2020-11565)

  - In the Linux kernel before 5.6.1, drivers/media/usb/gspca/xirlink_cit.c (aka the Xirlink camera USB     driver) mishandles invalid descriptors, aka CID-a246b4d54770. (CVE-2020-11668)

  - An array overflow was discovered in mt76_add_fragment in drivers/net/wireless/mediatek/mt76/dma.c in the     Linux kernel before 5.5.10, aka CID-b102f0c522cf. An oversized packet with too many rx fragments can     corrupt memory of adjacent pages. (CVE-2020-12465)

  - An issue was discovered in xfs_agf_verify in fs/xfs/libxfs/xfs_alloc.c in the Linux kernel through 5.6.10.
    Attackers may trigger a sync of excessive duration via an XFS v5 image with crafted metadata, aka     CID-d0c7feaf8767. (CVE-2020-12655)

  - An issue was discovered in the Linux kernel before 5.6.7. xdp_umem_reg in net/xdp/xdp_umem.c has an out-     of-bounds write (by a user with the CAP_NET_ADMIN capability) because of a lack of headroom validation.
    (CVE-2020-12659)

  - An issue was discovered in the Linux kernel through 5.6.11. sg_write lacks an sg_remove_request call in a     certain failure case, aka CID-83c6f2390040. (CVE-2020-12770)

  - A signal access-control issue was discovered in the Linux kernel before 5.6.5, aka CID-7395ea4e65c2.
    Because exec_id in include/linux/sched.h is only 32 bits, an integer overflow can interfere with a     do_notify_parent protection mechanism. A child process can send an arbitrary signal to a parent process in     a different security domain. Exploitation limitations include the amount of elapsed time before an integer     overflow occurs, and the lack of scenarios where signals to a parent process present a substantial     operational threat. (CVE-2020-12826)

  - A flaw was found in the Linux kernel's futex implementation. This flaw allows a local attacker to corrupt     system memory or escalate their privileges when creating a futex on a filesystem that is about to be     unmounted. The highest threat from this vulnerability is to confidentiality, integrity, as well as system     availability. (CVE-2020-14381)

  - A flaw was found in the Linux kernel's implementation of biovecs in versions before 5.9-rc7. A zero-length     biovec request issued by the block subsystem could cause the kernel to enter an infinite loop, causing a     denial of service. This flaw allows a local attacker with basic privileges to issue requests to a block     device, resulting in a denial of service. The highest threat from this vulnerability is to system     availability. (CVE-2020-25641)

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

ID	Name	Product	Family	Published	Updated	Severity
133797	Ubuntu 18.04 LTS : Linux kernel vulnerabilities (USN-4284-1)	Nessus	Ubuntu Local Security Checks	2/19/2020	8/27/2024	high
180891	Oracle Linux 8 : kernel (ELSA-2020-4431)	Nessus	Oracle Linux Local Security Checks	9/7/2023	11/1/2024	high
197529	Amazon Linux 2 : kernel (ALASKERNEL-5.4-2024-066)	Nessus	Amazon Linux Local Security Checks	5/20/2024	5/21/2024	medium
195652	RHEL 7 : kernel (Unpatched Vulnerability) (deprecated)	Nessus	Red Hat Local Security Checks	5/11/2024	5/31/2024	critical
199918	RHEL 7 : kernel-alt (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	6/3/2024	6/3/2024	critical
142430	RHEL 8 : kernel (RHSA-2020:4431)	Nessus	Red Hat Local Security Checks	11/4/2020	11/7/2024	high
157698	AlmaLinux 8 : kernel (ALSA-2020:4431)	Nessus	Alma Linux Local Security Checks	2/9/2022	11/10/2023	high

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