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

CVE ID : CVE-2026-23039 Published : Jan. 31, 2026, 12:16 p.m. | 29 minutes ago 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. Severity: 0.0 | NA Visit the link for more details, such as CVSS details, affected products, timeline, and more...