CVE-2025-21764 Affecting kernel-debuginfo-common-i686 package, versions <0:4.14.355-196.618.amzn1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.02% (4th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-AMZN201803-KERNELDEBUGINFOCOMMONI686-9749594
  • published18 Apr 2025
  • disclosed27 Feb 2025

Introduced: 27 Feb 2025

CVE-2025-21764  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 kernel-debuginfo-common-i686 to version 0:4.14.355-196.618.amzn1 or higher.
This issue was patched in ALAS-2025-1970.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debuginfo-common-i686 package and not the kernel-debuginfo-common-i686 package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

ndisc: use RCU protection in ndisc_alloc_skb()

ndisc_alloc_skb() can be called without RTNL or RCU being held.

Add RCU protection to avoid possible UAF.

CVSS Base Scores

version 3.1