CVE-2025-21764 Affecting kernel-abi-stablelists package, versions <0:4.18.0-553.58.1.el8_10


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (9th percentile)

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  • Snyk IDSNYK-ORACLE8-KERNELABISTABLELISTS-10554860
  • published26 Jun 2025
  • disclosed27 Feb 2025

Introduced: 27 Feb 2025

CVE-2025-21764  (opens in a new tab)

How to fix?

Upgrade Oracle:8 kernel-abi-stablelists to version 0:4.18.0-553.58.1.el8_10 or higher.
This issue was patched in ELSA-2025-9580.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-abi-stablelists package and not the kernel-abi-stablelists package as distributed by Oracle. See How to fix? for Oracle:8 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