VulnerabilityModified
CVE-2025-21918
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.
MEDIUM 5.5EPSS 0.20%
Does this matter?
Lower severity and a low EPSS score (0.20%). Track it; it rarely justifies an emergency change on its own.
Description
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
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.20% probability · 10th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/079a3e52f3e751bb8f5937195bdf25c5d14fdff0Patch
- https://git.kernel.org/stable/c/46fba7be161bb89068958138ea64ec33c0b446d4Patch
- https://git.kernel.org/stable/c/592a0327d026a122e97e8e8bb7c60cbbe7697344Patch
- https://git.kernel.org/stable/c/7a735a8a46f6ebf898bbefd96659ca5da798bce0Patch
- https://git.kernel.org/stable/c/b13abcb7ddd8d38de769486db5bd917537b32ab1Patch
- https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.