CVE-2025-38003

What it is

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.

At a glance

Exploitability

Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.

Exploit odds

0.3% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2025-06-08 11:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-07-30 06:22 UTC Last updatedMost recent change to the record

Details

Published

2025-06-08 11:15 UTC

Last modified

2026-07-30 06:22 UTC

Exploit probability

0.3% · EPSS, next 30 days

Record status

Modified

Affected

• Linux Kernel < 4.20
• Linux Kernel < 5.4.294
• Linux Kernel < 5.10.238
• Linux Kernel < 5.15.185
• Linux Kernel < 5.19
• Linux Kernel < 6.1.141
• Linux Kernel < 6.6.93
• Linux Kernel < 6.12.31

Attack profile CVSS 3.1 · 7.8

Attack vector

Local

Complexity

Low

Privileges needed

Low

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High