CVE-2026-23008 drm/vmwgfx: Fix KMS with 3D on HW version 10

What is CVE-2026-23008?

CVE-2026-23008 is a medium-severity vulnerability in Linux kernel, published on 25 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Weakness: CWE-476

Which versions are affected by CVE-2026-23008?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2026-23008?

Apply the vendor's patch.

Is CVE-2026-23008 being exploited?

There is no known exploitation of CVE-2026-23008 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BELL-CVE-2026-23008, DEBIAN-CVE-2026-23008, GHSA-3hqq-c86m-p54c, UBUNTU-CVE-2026-23008.