NULL Pointer Dereference Affecting glibc-langpack-hne package, versions <0:2.26-57.amzn2


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
1.7% (89th percentile)

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  • Snyk IDSNYK-AMZN2-GLIBCLANGPACKHNE-6098809
  • published5 Dec 2023
  • disclosed12 Aug 2021

Introduced: 12 Aug 2021

CVE-2021-38604  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 glibc-langpack-hne to version 0:2.26-57.amzn2 or higher.
This issue was patched in ALAS2-2023-2371.

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc-langpack-hne package and not the glibc-langpack-hne package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

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.

CVSS Scores

version 3.1