CVE-2025-21841

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux45722e777fd99ea863fe653c1838d39f678506e2 < 56e6976793c0fcf1638aa534242408ab4e4ca705affected
LinuxLinux45722e777fd99ea863fe653c1838d39f678506e2 < 28e4c515cf644c621800bd97841757fd49891ba4affected
LinuxLinux45722e777fd99ea863fe653c1838d39f678506e2 < 3ace20038e19f23fe73259513f1f08d4bf1a3c83affected
LinuxLinux6.12affected
LinuxLinux0 < 6.12unaffected
LinuxLinux6.12.16 <= 6.12.*unaffected
LinuxLinux6.13.4 <= 6.13.*unaffected
LinuxLinux6.14 <= *unaffected

Weaknesses

References