CVE-2025-21841 Information

Description

In the Linux kernel the following vulnerability has been resolved:

cpufreq/amd-pstate: Fix cpufreq_policy ref counting

amd_pstate_update_limits() takes a cpufreq_policy reference but doesn’t decrement the refcount in one of the exit paths fix that.

Reference

https://git.kernel.org/stable/c/28e4c515cf644c621800bd97841757fd49891ba4 https://git.kernel.org/stable/c/3ace20038e19f23fe73259513f1f08d4bf1a3c83 https://git.kernel.org/stable/c/56e6976793c0fcf1638aa534242408ab4e4ca705