CVE-2026-31460

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: check if extcaps is valid in BL setup LVDS connectors don't have extended backlight caps so check if the pointer is valid before accessing it. cherry picked from commit 3f797396d7f4eb9bb6eded184bbc6f033628a6f6...

CVE-2026-31460

In the Linux kernel, the drm/amd/display path was fixed to validate the ext_caps pointer before using it in BL setup, specifically for LVDS connectors that do not have extended backlight caps. The root cause was dereferencing an invalid ext_caps pointer, which could crash the system. The fix (che...