QID 355357

Date Published: 2023-06-07

QID 355357: Amazon Linux Security Advisory for kernel-livepatch : ALAS2LIVEPATCH-2023-127

A use-after-free vulnerability was found in __nfs42_ssc_open() in fs/nfs/nfs4file.c in the linux kernel.
This flaw allows an attacker to conduct a remote denial of service. (
( CVE-2022-4379) 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: ALAS2LIVEPATCH-2023-127 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 355357

    CVE-2022-4379 | CVE-2023-32233 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2LIVEPATCH-2023-127 amazon linux 2 URL Logo alas.aws.amazon.com/AL2/ALASLIVEPATCH-2023-127.html
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