CVE-2025-38003

MEDIUM

Linux Kernel - Use-After-Free in BCM Procfs Content Generation

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: can: bcm: add missing rcu read protection for procfs content When the procfs content is generated for a bcm_op which is in the process to be removed the procfs output might show unreliable data (UAF). As the removal of bcm_op's is already implemented with rcu handling this patch adds the missing rcu_read_lock() and makes sure the list entries are properly removed under rcu protection.

Scores

CVSS v3 5.5
EPSS 0.0003
EPSS Percentile 9.8%
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 (36)
debian/debian_linux 11.0
linux/Kernel < 5.4.294linux
linux/Kernel 5.11.0 - 5.15.185linux
linux/Kernel 5.16.0 - 6.1.141linux
linux/Kernel 5.19.0 - 6.6.93linux
linux/Kernel 5.5.0 - 5.10.238linux
linux/Kernel 6.2.0 - 6.12.31linux
linux/Kernel 6.7.0 - 6.14.9linux
Linux/Linux < 5.19
Linux/Linux 4.19.252 - 4.20
... and 26 more
Published Jun 08, 2025
Tracked Since Feb 18, 2026