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CVE-2025-38003

can: bcm: add missing rcu read protection for procfs content

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.4.294, 5.10.238, 5.15.185, 4.20, 5.19
None on Exploit-DB, Metasploit or GitHub

Summary

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.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Linux Linux

    From 5.4.205 · fixed in 5.4.294; From 5.10.130 · fixed in 5.10.238; From 5.15.54 · fixed in 5.15.185; From 4.19.252 · fixed in 4.20; From 5.18.11 · fixed in 5.19

  • Linux Linux

    5.19

References 8

git.kernel.org