CVE-2025-38003
HIGH severity · CVSS 7.8
7.8CVSS HIGH
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (2)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/0622846db728a5332b917c797c733e202c4620ae ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/0622846db728a5332b917c797c733e202c4620aePatch
- https://git.kernel.org/stable/c/19f553a1ddf260da6570ed8f8d91a8c87f49b63aPatch
- https://git.kernel.org/stable/c/1f912f8484e9c4396378c39460bbea0af681f319Patch
- https://git.kernel.org/stable/c/63567ecd99a24495208dc860d50fb17440043006Patch
- https://git.kernel.org/stable/c/659701c0b954ccdb4a916a4ad59bbc16e726d42cPatch
- https://git.kernel.org/stable/c/6d7d458c41b98a5c1670cbd36f2923c37de51cf5Patch
- https://git.kernel.org/stable/c/7c9db92d5f0eadca30884af75c53d601edc512eePatch
- https://git.kernel.org/stable/c/dac5e6249159ac255dad9781793dbe5908ac9ddbPatch