CVE-2026-31460

MEDIUM

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

Title source: cna

Description

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)

References (2)

Core 2

Core References

https://git.kernel.org/stable/c/60b0524bfb7d691ab378cdc788209f11cd34da89

https://git.kernel.org/stable/c/9da4f9964abcaeb6e19797d5e3b10faad338a786

Scores

CVSS v3 5.5

EPSS 0.0002

EPSS Percentile 4.2%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

Status published

Products (8)

Linux/Linux < 6.19

Linux/Linux 1454642960b0a4fafd48b08919d39350ee2ac372 - 60b0524bfb7d691ab378cdc788209f11cd34da89

Linux/Linux 1454642960b0a4fafd48b08919d39350ee2ac372 - 9da4f9964abcaeb6e19797d5e3b10faad338a786

Linux/Linux 6.19

Linux/Linux 6.19.11 - 6.19.*

Linux/Linux 7.0

linux/linux_kernel 7.0 rc1 (5 CPE variants)

linux/linux_kernel 6.19 - 6.19.11

Published Apr 22, 2026

Tracked Since Apr 22, 2026