QID 355335

Date Published: 2023-06-06

QID 355335: Amazon Linux Security Advisory for kernel : ALAS2-2023-2050

In the linux kernel through 6.3.1, a use-after-free in netfilter nf_tables when processing batch requests can be abused to perform arbitrary read and write operations on kernel memory.
Unprivileged local users can obtain root privileges.
This occurs because anonymous sets are mishandled. (
( CVE-2023-32233)



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: ALAS2-2023-2050 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 355335

    CVE-2023-32233 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2-2023-2050 amazon linux 2 URL Logo alas.aws.amazon.com/AL2/ALAS-2023-2050.html
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