CVE-2025-21841 – AMD P-State Kernel Reference Counting Vulnerability

The following table lists the changes that have been made to the
CVE-2025-21841 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Mar. 07, 2025

    Action Type Old Value New Value
    Added 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.

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