CVE-2025-38003

Medium

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.

Package Linux Kernel
Published 2025-06-08
Last modified 2025-12-17
CVSS version 3.1
Patch available
Yes

CVSS 3.1 score

5.5

out of 10
Medium
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected versions

Linux kernel versions 5.4.205, 5.10.130, 5.15.54, 4.19.252, 5.18.11, 5.19 and later are affected. Fixed in 5.4.294, 5.10.238, 5.15.185, 6.1.141, 6.6.93, 6.12.31, 6.14.9, 6.15 and their respective stable series.

Affected from
≥ 5.4.205 ≥ 5.10.130 ≥ 5.15.54 ≥ 4.19.252 ≥ 5.18.11 ≥ 5.19
Fixed in
✓ 5.4.294 5.4.x ✓ 5.10.238 5.10.x ✓ 5.15.185 5.15.x ✓ 6.1.141 6.1.x ✓ 6.6.93 6.6.x ✓ 6.12.31 6.12.x ✓ 6.14.9 6.14.x ✓ 6.15

References

The following references provide additional information about CVE-2025-38003 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

8 patch commits total View all on NVD

Frequently asked questions

  • What is CVE-2025-38003?

    CVE-2025-38003 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.4.205 onward and has been patched in 5.4.294, 5.10.238, 5.15.185 and others. CVE-2025-38003 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2025-38003?

    CVE-2025-38003 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H .

  • Is there a patch available for CVE-2025-38003?

    Yes — CVE-2025-38003 has been patched. Fixed versions include 5.4.294, 5.10.238, 5.15.185 and others. If you are running Linux kernel 5.4.205 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2025-38003 actively exploited?

    No — CVE-2025-38003 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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