CVE-2026-23039
- Source
- https://cve.org/CVERecord?id=CVE-2026-23039
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-23039.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-23039
- Downstream
- Published
- 2026-01-31T11:42:33.377Z
- Modified
- 2026-02-09T19:34:45.380682Z
- Summary
- drm/gud: fix NULL fb and crtc dereferences on USB disconnect
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
drm/gud: fix NULL fb and crtc dereferences on USB disconnect
On disconnect drmatomichelperdisableall() 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.
- Database specific
{ "cna_assigner": "Linux", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23039.json" }- References
-
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/a255ec07f91d4c73a361a28b7a3d82f5710245f1
- https://git.kernel.org/stable/c/dc2d5ddb193e363187bae2ad358245642d2721fb
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23039.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-23039
Affected packages
Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected ranges
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced73cfd166e045769a1b42d36897accaa6e06b8102Fixeda255ec07f91d4c73a361a28b7a3d82f5710245f1Fixeddc2d5ddb193e363187bae2ad358245642d2721fb