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.

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.002 (3.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-23008: held from 0.001 to 0.002.

EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.000

Affected products

  • Linux — versions 965544150d1cadf0e8f5bb6c13c19697e46e1429, 6.16, 0
  • Linux Kernel — versions 6.16, 6.19

Weakness classification (CWE)

Public proof-of-concept exploits

References

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.