CVE-2025-21765

Updated: 2025-11-10 02:20:32.032562

Description:

In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU protection in ip6_default_advmss() ip6_default_advmss() needs rcu protection to make sure the net structure it reads does not disappear.


Links NIST CIRCL RHEL Ubuntu

Severity

Severity Score
CVSS Version 2.x 0.0
CVSS Version 3.x MEDIUM 5.5

Status

OS name Project name Version Score Severity Status Errata Last updated

Statement

AlmaLinux 9.2 ESU kernel 5.14.0 5.5 MEDIUM Ignored 2025-11-12 11:31:25 This issue is a local-only, IPv6-specific race in ip6_default_advmss that lacks RCU protection, lead...
CentOS 6 ELS kernel 2.6.32 5.5 MEDIUM Ignored 2025-11-05 04:55:05
CentOS 7 ELS kernel 3.10.0 5.5 MEDIUM Ignored 2025-11-05 04:55:03
CentOS 8.4 ELS kernel 4.18.0 5.5 MEDIUM Ignored 2025-11-05 04:55:04
CentOS 8.5 ELS kernel 4.18.0 5.5 MEDIUM Ignored 2025-11-05 04:55:05
CentOS Stream 8 ELS kernel 4.18.0 5.5 MEDIUM Ignored 2025-11-05 04:55:01
CloudLinux 7 ELS kernel 3.10.0 5.5 MEDIUM Ignored 2025-11-05 04:55:01
Oracle Linux 6 ELS kernel 2.6.32 5.5 MEDIUM Ignored 2025-11-05 04:55:02
Oracle Linux 7 ELS kernel 3.10.0 5.5 MEDIUM Ignored 2025-11-05 04:55:01
Oracle Linux 7 ELS kernel-uek 5.4.17 5.5 MEDIUM Released CLSA-2025:1746479711 2025-05-08 04:11:29
Total: 16