CVE-2025-38038

Summary

In the Linux kernel, the following vulnerability has been resolved:

cpufreq: amd-pstate: Remove unnecessary driver_lock in set_boost

set_boost is a per-policy function call, hence a driver wide lock is unnecessary. Also this mutex_acquire can collide with the mutex_acquire from the mode-switch path in status_store(), which can lead to a deadlock. So, remove it.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxec437d71db77a181227bf6d0ac9d4a80e58ecf0f < 61e931ee145eeab8196e585ff4334870b130b744affected
LinuxLinuxec437d71db77a181227bf6d0ac9d4a80e58ecf0f < cd347d071713234586762d79c5a691785e9be418affected
LinuxLinuxec437d71db77a181227bf6d0ac9d4a80e58ecf0f < db1cafc77aaaf871509da06f4a864e9af6d6791faffected
LinuxLinux5.17affected
LinuxLinux0 < 5.17unaffected
LinuxLinux6.12.31 <= 6.12.*unaffected
LinuxLinux6.14.9 <= 6.14.*unaffected
LinuxLinux6.15 <= *unaffected

Weaknesses

References