CVE-2026-23039
drm/gud: fix NULL fb and crtc dereferences on USB disconnect
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Jan 31, 2026 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
73cfd166e045769a1b42d36897accaa6e06b8102 < a255ec07f91d4c73a361a28b7a3d82f5710245f1 73cfd166e045769a1b42d36897accaa6e06b8102 < dc2d5ddb193e363187bae2ad358245642d2721fb
Linux / Linux
6.18