QID 354831

Date Published: 2023-03-23

QID 354831: Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.15-2023-014

A flaw was found in the linux kernel's layer 2 tunneling protocol (l2tp).
A missing lock when clearing sk_user_data can lead to a race condition and null pointer dereference.
A local user could use this flaw to potentially crash the system causing a denial of service. (
( CVE-2022-4129)



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 Medium - 5.5 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2KERNEL-5.15-2023-014 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 354831

    CVE-2022-4129 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2KERNEL-5.15-2023-014 amazon linux 2 URL Logo alas.aws.amazon.com/AL2/ALASKERNEL-5.15-2023-014.html
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