QID 356157

Date Published: 2023-09-27

QID 356157: Amazon Linux Security Advisory for kernel : ALAS-2023-1827

A use-after-free vulnerability was found in the linux kernel's netfilter subsystem in net/netfilter/nf_tables_api.c. mishandled error handling with nft_msg_newrule makes it possible to use a dangling pointer in the same transaction causing a use-after-free vulnerability.
This flaw allows a local attacker with user access to cause a privilege escalation issue. we recommend upgrading past commit 1240eb93f0616b21c675416516ff3d74798fdc97. (
( CVE-2023-3390)



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-2023-1827 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 356157

    CVE-2023-3390 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS-2023-1827 amazon linux URL Logo alas.aws.amazon.com/ALAS-2023-1827.html
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