CVE-2026-31460 PUBLISHED

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

Assigner: Linux
Reserved: 09.03.2026 Published: 22.04.2026 Updated: 22.04.2026

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)

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from 1454642960b0a4fafd48b08919d39350ee2ac372 to 60b0524bfb7d691ab378cdc788209f11cd34da89 (excl.)
  • affected from 1454642960b0a4fafd48b08919d39350ee2ac372 to 9da4f9964abcaeb6e19797d5e3b10faad338a786 (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 6.19 is affected
  • unaffected from 0 to 6.19 (excl.)
  • unaffected from 6.19.11 to 6.19.* (incl.)
  • unaffected from 7.0 to * (incl.)

References