CVE-2025-21918

CVSS 3.1 Score 5.5 of 10 (medium)

Details

Published Apr 1, 2025
Updated: Apr 11, 2025
CWE ID 476

Summary

CVE-2025-21918 is a vulnerability affecting the Linux kernel's USB Type-C subsystem (ucsi). The issue involved a NULL pointer access problem, where resources were being released prematurely before all threads utilizing them had been destroyed. This could potentially lead to unintended behavior or system instability. The vulnerability has been addressed through a commit that ensures the associated workqueue completes before releasing the resources.

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