CVE-2026-23039

medium

Description

In the Linux kernel, the following vulnerability has been resolved: drm/gud: fix NULL fb and crtc dereferences on USB disconnect On disconnect drm_atomic_helper_disable_all() is called which sets both the fb and crtc for a plane to NULL before invoking a commit. This causes a kernel oops on every display disconnect. Add guards for those dereferences.

References

https://git.kernel.org/stable/c/dc2d5ddb193e363187bae2ad358245642d2721fb

https://git.kernel.org/stable/c/a255ec07f91d4c73a361a28b7a3d82f5710245f1

Details

Source: Mitre, NVD

Published: 2026-01-31

Updated: 2026-01-31

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00018