What’s Vulnerable › Vulnerabilities

CVE-2026-68446: drm/vmwgfx: Validate vmw_surface_metadata::array_size

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-12 · updated 2026-10-19
• Weakness: CWE-20

Description

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Validate vmw_surface_metadata::array_size This field comes from userspace and should be validated against specific limits depending on which Shader Model (SM) is available.

Affected products

• Linux kernel: 5.7 — fixed in 7.2

How to fix

Upgrade to a fixed version: Linux kernel 7.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0403cec2aff8037bc246cf9a0831eb169ddcd9df
• https://git.kernel.org/stable/c/5ff94e1279176b539d451e3e754fdcbd1a8d520a
• https://git.kernel.org/stable/c/6910ccaf41678f7761ba2e57d72b77d056320b4d
• https://git.kernel.org/stable/c/71779fe8bf403a9b3e28dc59229fa556db32d35d
• https://git.kernel.org/stable/c/a4f55260f7f7d4dc4d0ee55063dfb0c457b77991
• https://git.kernel.org/stable/c/aded8463466ede7a7fbd1bbf821756c67c83e89b
• https://git.kernel.org/stable/c/b1379f0c42b88cb60b9f3757eb5d1e73ad460ed8
• https://git.kernel.org/stable/c/e949adf2d42678fb391a41db277e2fcb12090566

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