QID 356765

Date Published: 2023-12-06

QID 356765: Amazon Linux Security Advisory for glibc : ALAS2-2023-2371

In librt in the gnu c library (aka glibc) through 2.34, sysdeps/unix/sysv/linux/mq_notify.c mishandles certain notify_removed data, leading to a null pointer dereference.
Note: this vulnerability was introduced as a side effect of the( CVE-2021-33574 fix. (
( CVE-2021-38604)



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 - 7.5 severity.
  • CVSS V2 rated as Medium - 5 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2-2023-2371 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 356765

    CVE-2021-38604 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2-2023-2371 amazon linux 2 URL Logo alas.aws.amazon.com/AL2/ALAS-2023-2371.html
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