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CVE-2026-68446

drm/vmwgfx: Validate vmw_surface_metadata::array_size

HIGH
7.8
CVSS Score
Published: August 12, 2026 at 12:07 AM UTC
Updated: October 19, 2026 at 10:17 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
90%
5.7504901dbb0b565fcbe466b0c56f3131586df5afd
Vendor states this is fixed in 0403cec2aff8037bc246cf9a0831eb169ddcd9df (fixed)
Vendor states this is fixed in 5ff94e1279176b539d451e3e754fdcbd1a8d520a (fixed)
Vendor states this is fixed in 6910ccaf41678f7761ba2e57d72b77d056320b4d (fixed)
Vendor states this is fixed in 71779fe8bf403a9b3e28dc59229fa556db32d35d (fixed)
Vendor states this is fixed in a4f55260f7f7d4dc4d0ee55063dfb0c457b77991 (fixed)
Vendor states this is fixed in aded8463466ede7a7fbd1bbf821756c67c83e89b (fixed)
Vendor states this is fixed in b1379f0c42b88cb60b9f3757eb5d1e73ad460ed8 (fixed)
Vendor states this is fixed in e949adf2d42678fb391a41db277e2fcb12090566 (fixed)
Vendor states this is fixed in 5.10.265 (unaffected)
Vendor states this is fixed in 5.15.216 (unaffected)
Vendor states this is fixed in 5.7 (unaffected)
Vendor states this is fixed in 6.1.183 (unaffected)
Vendor states this is fixed in 6.12.101 (unaffected)
Vendor states this is fixed in 6.18.42 (unaffected)
Vendor states this is fixed in 6.6.148 (unaffected)
Vendor states this is fixed in 7.1.6 (unaffected)
Vendor states this is fixed in 7.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (8)

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusRECEIVED
CWE
CWE-20

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