QID 357239

Date Published: 2024-02-20

QID 357239: Amazon Linux Security Advisory for kernel : ALAS2023-2024-537

A use-after-free vulnerability in the linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. the nft_setelem_catchall_deactivate() function checks whether the catch-all set element is active in the current generation instead of the next generation before freeing it, but only flags it inactive in the next generation, making it possible to free the element multiple times, leading to a double free vulnerability. we recommend upgrading past commit b1db244ffd041a49ecc9618e8feb6b5c1afcdaa7. (
( CVE-2024-1085)



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: ALAS2023-2024-537 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 357239

    Software Advisories
    Advisory ID Software Component Link
    ALAS2023-2024-537 amazon linux 2023 URL Logo alas.aws.amazon.com/AL2023/ALAS-2024-537.html