What is CVE-2026-23008?

CVE-2026-23008 is a medium-severity vulnerability in Linux, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2026-01-25.

How severe is CVE-2026-23008?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2026-23008 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

NULL pointer dereference in Linux

CVE-2026-23008

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fix KMS with 3D on HW version 10 HW version 10 does not have GB Surfaces so there is no backing buffer for surface backed FBs. This would result in a nullptr dereference and crash the driver causing a black screen.

EPSS: 0.001 (3.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions 965544150d1cadf0e8f5bb6c13c19697e46e1429, 6.16, 0
Linux Linux_kernel — versions 6.16, 6.19

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

Public proof-of-concept exploits

George0Papasotiriou/CVE-2026-23008-Solidity-Assembly-Return-Data-Size-Confusion

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2026-23008?: CVE-2026-23008 is a medium-severity vulnerability in Linux, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2026-01-25.
How severe is CVE-2026-23008?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2026-23008 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.