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CVE-2025-38003

7.8 · HIGH

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…

Published Jun 8, 2025EPSS 0.29%

Overview

CVE-2025-38003 is a high-severity vulnerability. It was published on June 8, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/0622846db728a5332b917c797c733e202c4620aeRefgit.kernel.org/stable/c/19f553a1ddf260da6570ed8f8d91a8c87f49b63aRefgit.kernel.org/stable/c/1f912f8484e9c4396378c39460bbea0af681f319Refgit.kernel.org/stable/c/63567ecd99a24495208dc860d50fb17440043006Refgit.kernel.org/stable/c/659701c0b954ccdb4a916a4ad59bbc16e726d42cRefgit.kernel.org/stable/c/6d7d458c41b98a5c1670cbd36f2923c37de51cf5Refgit.kernel.org/stable/c/7c9db92d5f0eadca30884af75c53d601edc512eeRefgit.kernel.org/stable/c/dac5e6249159ac255dad9781793dbe5908ac9ddbReflists.debian.org/debian-lts-announce/2025/10/msg00007.htmlReflists.debian.org/debian-lts-announce/2025/10/msg00008.html

How CyberStrike helps

Frequently asked questions

What is CVE-2025-38003?

CVE-2025-38003 is a high-severity vulnerability. It was published on June 8, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2025-38003?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-38003?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-38003?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-38003 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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