CVE-2025-21918

usb: typec: ucsi: Fix NULL pointer access

CVSS 5.5 MEDIUMEPSS 0.2%CWE-476

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.5EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

01 Apr 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: Fix NULL pointer access Resources should be released only after all threads that utilize them have been destroyed. This commit ensures that resources are not released prematurely by waiting for the associated workqueue to complete before deallocating them.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

Linux · Linux

References

https://git.kernel.org/stable/c/079a3e52f3e751bb8f5937195bdf25c5d14fdff0 https://git.kernel.org/stable/c/46fba7be161bb89068958138ea64ec33c0b446d4 https://git.kernel.org/stable/c/592a0327d026a122e97e8e8bb7c60cbbe7697344 https://git.kernel.org/stable/c/7a735a8a46f6ebf898bbefd96659ca5da798bce0 https://git.kernel.org/stable/c/b13abcb7ddd8d38de769486db5bd917537b32ab1 https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html