Vulnerability in Linux

CVE-2025-21819

In the Linux kernel, the following vulnerability has been resolved: Revert "drm/amd/display: Use HW lock mgr for PSR1" This reverts commit a2b5a9956269 ("drm/amd/display: Use HW lock mgr for PSR1") Because it may cause system hang while connect with two edp panel.

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.002 (8.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 8.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-21819: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

  • Linux — versions 6.6.78, b7d2461858ac75c9d6bc4ab8af1a738d0814b716, 6.1.128
  • Linux Kernel — versions 6.1.128, 6.13, 6.14

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-21819?
CVE-2025-21819 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2025-02-27.
How severe is CVE-2025-21819?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2025-21819 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.