QID 357213

Date Published: 2024-02-20

QID 357213: Amazon Linux Security Advisory for kernel : ALAS-2024-1919

A use-after-free vulnerability in the linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. the nft_verdict_init() function allows positive values as drop error within the hook verdict, and hence the nf_hook_slow() function can cause a double free vulnerability when nf_drop is issued with a drop error which resembles nf_accept. we recommend upgrading past commit f342de4e2f33e0e39165d8639387aa6c19dff660. (
( CVE-2024-1086)



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: ALAS-2024-1919 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 357213

    CVE-2024-1086 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS-2024-1919 amazon linux URL Logo alas.aws.amazon.com/ALAS-2024-1919.html
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