CVE-2025-21841

kernel: cpufreq/amd-pstate: Fix cpufreq_policy ref counting

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Severity

Low

Red Hat Product Security

3.3

CVSS 3.1

Review impact separately from score.

Published · March 7, 2025

Updated · June 30, 2026

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.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 3.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CWE-911 · Improper Update of Reference Count