CVE-2025-21763

Updated: 2025-08-20 03:15:17.713864

Description:

In the Linux kernel, the following vulnerability has been resolved: neighbour: use RCU protection in __neigh_notify() __neigh_notify() can be called without RTNL or RCU protection. Use RCU protection to avoid potential UAF.


Links NIST CIRCL RHEL Ubuntu

Severity

Severity Score
CVSS Version 2.x NONE 0.0
CVSS Version 3.x MEDIUM 5.5

Status

OS name Project name Version Score Severity Status Errata Last updated

Statement

Oracle Linux 7 ELS kernel-uek 5.4.17 5.5 MEDIUM Released CLSA-2025:1746479711 2025-05-08 04:11:30
Ubuntu 18.04 ELS linux 4.15.0 5.5 MEDIUM Not Vulnerable 2025-06-06 01:33:19