Use After Free Affecting perf-debuginfo package, versions <0:6.12.0-55.17.1.el10_0


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.23% (15th percentile)

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  • Snyk IDSNYK-RHEL10-PERFDEBUGINFO-10365299
  • published17 Jun 2025
  • disclosed27 Feb 2025

Introduced: 27 Feb 2025

CVE-2025-21764  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:10 perf-debuginfo to version 0:6.12.0-55.17.1.el10_0 or higher.
This issue was patched in RHSA-2025:9079.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf-debuginfo package and not the perf-debuginfo package as distributed by RHEL. See How to fix? for RHEL:10 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