CVE-2025-21819: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Linux Linux Kernel: from 6.6.75, before 6.6.78 (fixed in 6.6.78); from 6.12.12, before 6.12.14 (fixed in 6.12.14); from 6.13.1, before 6.13.3 (fixed in 6.13.3); version 6.1.128 only; version 6.13 only; version 6.14 only

Published 2025-02-27. Last modified 2026-06-17.