CVE-2026-31460

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

Published: 4/22/2026 Last updated: 4/22/2026 Reserved: 3/9/2026

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)

CNA assigner: Linux (416baaa9-dc9f-4396-8d5f-8c081fb06d67) Requested by: n/a

Opam packages affected (29)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes ortools_solvers orun rawlink rawlink-eio rawlink-lwt restricted shell solo5 solo5-bindings-hvt solo5-bindings-spt solo5-cross-aarch64 solo5-kernel-ukvm tracy-client tuntap uring vhd-format vhd-format-lwt xapi-stdext-unix

Products affected (2)

Product	Vendor	Version
Linux	Linux	n/a
Linux	Linux	n/a

References (2)

https://git.kernel.org/stable/c/60b0524bfb7d691ab378cdc788209f11cd34da89
https://git.kernel.org/stable/c/9da4f9964abcaeb6e19797d5e3b10faad338a786