CVE-2025-39693: Debian Linux

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: drm/amd/display: Avoid a NULL pointer dereference [WHY] Although unlikely drm_atomic_get_new_connector_state() or drm_atomic_get_old_connector_state() can return NULL. [HOW] Check returns before dereference. (cherry picked from commit 1e5e8d672fec9f2ab352be121be971877bff2af9)

Affected products

• Debian Debian Linux: version 11.0 only
• Linux Linux Kernel: from 4.15, before 5.15.190 (fixed in 5.15.190); from 5.16, before 6.1.149 (fixed in 6.1.149); from 6.2, before 6.6.103 (fixed in 6.6.103); from 6.7, before 6.12.44 (fixed in 6.12.44); from 6.13, before 6.16.4 (fixed in 6.16.4); version 6.17 only

Published 2025-09-05. Last modified 2026-06-17.