Bug 2460636 (CVE-2026-31460) - CVE-2026-31460 kernel: drm/amd/display: check if ext_caps is valid in BL setup
Summary: CVE-2026-31460 kernel: drm/amd/display: check if ext_caps is valid in BL setup
Keywords:
Status: NEW
Alias: CVE-2026-31460
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
unspecified
unspecified
Target Milestone: ---
Assignee: Product Security
QA Contact:
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Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-04-22 15:02 UTC by OSIDB Bzimport
Modified: 2026-04-22 17:51 UTC (History)
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Description OSIDB Bzimport 2026-04-22 15:02:13 UTC 
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)
Comment 1 Keith Grant 2026-04-22 17:48:59 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026042251-CVE-2026-31460-2405@gregkh/T
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