Not yet scoredPublished Jan 31, 2026

CVE-2026-23039drm/gud: fix NULL fb and crtc dereferences on USB disconnect

Updated under an hour ago (Oct 27, 2026, 7:10 AM ET)

Does this affect you?

It affects Linux. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for Linux

Exploited in the last 30 days

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.

CVSS: Not yet scored
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Deferred
Record last updated: May 11, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 73cfd166e045769a1b42d36897accaa6e06b8102 before a255ec07f91d4c73a361a28b7a3d82f5710245f1; from 73cfd166e045769a1b42d36897accaa6e06b8102 before dc2d5ddb193e363187bae2ad358245642d2721fb	CNA record

References

References

https://git.kernel.org/stable/c/a255ec07f91d4c73a361a28b7a3d82f5710245f1
https://git.kernel.org/stable/c/dc2d5ddb193e363187bae2ad358245642d2721fb

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.