CVE-2025-21918
kernel: usb: typec: ucsi: Fix NULL pointer access
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · April 1, 2025
Updated · June 30, 2026
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 score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 · NULL Pointer Dereference