What is CVE-2025-21841?

CVE-2025-21841 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2025-03-07.

How severe is CVE-2025-21841?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2025-21841 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Linux

CVE-2025-21841

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.

EPSS: 0.002 (8.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions 45722e777fd99ea863fe653c1838d39f678506e2, 6.12, 0
Linux Linux_kernel — versions 6.14

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2025-21841?: CVE-2025-21841 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2025-03-07.
How severe is CVE-2025-21841?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2025-21841 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.