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.

INFO

Published Date :

2026-01-31T11:42:33.377Z

Last Modified :

2026-02-09T08:37:34.029Z

Source :

Linux
AFFECTED PRODUCTS

The following products are affected by CVE-2026-23039 vulnerability.

Vendors Products
Linux
  • Linux Kernel
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-23039.

URL Resource
https://git.kernel.org/stable/c/a255ec07f91d4c73a361a28b7a3d82f5710245f1 cve-icon cve-icon
https://git.kernel.org/stable/c/dc2d5ddb193e363187bae2ad358245642d2721fb cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2026013122-CVE-2026-23039-be18@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-23039 cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-23039 cve-icon
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