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CVE-2026-23039

drm/gud: fix NULL fb and crtc dereferences on USB disconnect

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.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version 73cfd166e045769a1b42d36897accaa6e06b8102
Version < a255ec07f91d4c73a361a28b7a3d82f5710245f1
Status affected
Version 73cfd166e045769a1b42d36897accaa6e06b8102
Version < dc2d5ddb193e363187bae2ad358245642d2721fb
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 6.18
Status affected
Version 0
Version < 6.18
Status unaffected
Version <= 6.18.*
Version 6.18.7
Status unaffected
Version <= *
Version 6.19
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.19% 0.092
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/a255ec07f91d4c73a361a28b7a3d82f5710245f1
https://git.kernel.org/stable/c/dc2d5ddb193e363187bae2ad358245642d2721fb