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CVE-2026-31460

drm/amd/display: check if ext_caps is valid in BL setup PUBLISHED

Description (CNA)

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: check if ext_caps 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)

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected 1454642960b0a4fafd48b08919d39350ee2ac372 before 60b0524bfb7d691ab378cdc788209f11cd34da89; affected 1454642960b0a4fafd48b08919d39350ee2ac372 before 9da4f9964abcaeb6e19797d5e3b10faad338a786
Linux / Linuxaffected 6.19; unaffected 0 before 6.19; unaffected 6.19.11 through 6.19.*; unaffected 7.0 through *

CWE

No CWE identifiers supplied.

References