CVE-2025-21764

Updated: 2025-08-20 03:16:06.741127

Description:

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.


Links NIST CIRCL RHEL Ubuntu

Severity

Severity Score
CVSS Version 2.x NONE 0.0
CVSS Version 3.x HIGH 7.0

Status

OS name Project name Version Score Severity Status Errata Last updated

Statement

AlmaLinux 9.2 ESU kernel 5.14.0 7.0 HIGH Released CLSA-2025:1753298962 2025-07-24 01:56:36
CentOS 8.4 ELS kernel 4.18.0 7.0 HIGH Released CLSA-2025:1753297988 2025-07-24 01:56:08
CentOS 8.5 ELS kernel 4.18.0 7.0 HIGH Released CLSA-2025:1753298320 2025-07-24 01:56:09
CentOS Stream 8 ELS kernel 4.18.0 7.0 HIGH Released CLSA-2025:1753298759 2025-07-24 01:56:07
Oracle Linux 7 ELS kernel-uek 5.4.17 7.0 HIGH Released CLSA-2025:1746479711 2025-05-08 04:11:29
Ubuntu 16.04 ELS linux-hwe 4.15.0 7.0 HIGH Released CLSA-2025:1754037492 2025-08-02 00:18:19
Ubuntu 18.04 ELS linux 4.15.0 7.0 HIGH Released CLSA-2025:1754037789 2025-08-02 00:21:32