QID 356921

Date Published: 2024-01-16

QID 356921: Amazon Linux Security Advisory for kernel-livepatch : ALAS2023LIVEPATCH-2023-022

X86: kvm: svm: always update the x2avic msr interception (cve-2023-5090) a heap out-of-bounds write vulnerability in the linux kernel's linux kernel performance events (perf) component can be exploited to achieve local privilege escalation. if perf_read_group() is called while an event's sibling_list is smaller than its child's sibling_list, it can increment or write to memory locations outside of the allocated buffer. we recommend upgrading past commit 32671e3799ca2e4590773fd0e63aaa4229e50c06. (
( CVE-2023-5717) a use-after-free vulnerability in the linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. the function nft_trans_gc_catchall did not remove the catchall set element from the catchall_list when the argument sync is true, making it possible to free a catchall set element many times. we recommend upgrading past commit 93995bf4af2c5a99e2a87f0cd5ce547d31eb7630. (
( CVE-2023-6111)



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a securitybreach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as High - 7.8 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2023LIVEPATCH-2023-022 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 356921

    CVE-2023-5090 | CVE-2023-5717 | CVE-2023-6111 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2023LIVEPATCH-2023-022 amazon linux 2023 URL Logo alas.aws.amazon.com/AL2023/ALASLIVEPATCH-2023-022.html
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