CVE-2025-21765

MEDIUM

Linux Kernel 2.6.26-6.13.4 - Use-After-Free in ip6_default_advmss()

Title source: llm
STIX 2.1

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.

References (13)

Core 13
Core References

Scores

CVSS v3 5.5
EPSS 0.0022
EPSS Percentile 12.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (27)
linux/Kernel 2.6.26 - 5.4.291linux
linux/Kernel 5.11.0 - 5.15.179linux
linux/Kernel 5.16.0 - 6.1.129linux
linux/Kernel 5.5.0 - 5.10.235linux
linux/Kernel 6.13.0 - 6.13.4linux
linux/Kernel 6.2.0 - 6.6.79linux
linux/Kernel 6.7.0 - 6.12.16linux
Linux/Linux < 2.6.26
Linux/Linux 2.6.26
Linux/Linux 5.10.235 - 5.10.*
... and 17 more
Published Feb 27, 2025
Tracked Since Feb 18, 2026