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

Details
INFO

Published Date :

Aug. 12, 2026, 12:17 a.m.

Last Modified :

Aug. 12, 2026, 12:17 a.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Impact
Affected Products

The following products are affected by CVE-2026-68446 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

: Total Affected Vendor : 0 | Products : 0
Solution
Update the Linux kernel to validate user-supplied array size against SM limits.
  • Update the Linux kernel.
  • Validate array size against SM limits.
  • Apply security patches for the kernel.
References
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-68446.

URL Resource
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/b1379f0c42b88cb60b9f3757eb5d1e73ad460ed8
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-68446 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-68446 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-68446 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2026-68446 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Aug. 12, 2026

    Action Type Old Value New Value
    Added Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '504901dbb0b565fcbe466b0c56f3131586df5afd', 'lessThan': '5ff94e1279176b539d451e3e754fdcbd1a8d520a', 'versionType': 'git'}, {'status': 'affected', 'version': '504901dbb0b565fcbe466b0c56f3131586df5afd', 'lessThan': '71779fe8bf403a9b3e28dc59229fa556db32d35d', 'versionType': 'git'}, {'status': 'affected', 'version': '504901dbb0b565fcbe466b0c56f3131586df5afd', 'lessThan': 'b1379f0c42b88cb60b9f3757eb5d1e73ad460ed8', 'versionType': 'git'}, {'status': 'affected', 'version': '504901dbb0b565fcbe466b0c56f3131586df5afd', 'lessThan': '6910ccaf41678f7761ba2e57d72b77d056320b4d', 'versionType': 'git'}, {'status': 'affected', 'version': '504901dbb0b565fcbe466b0c56f3131586df5afd', 'lessThan': 'a4f55260f7f7d4dc4d0ee55063dfb0c457b77991', 'versionType': 'git'}], 'programFiles': ['drivers/gpu/drm/vmwgfx/vmwgfx_surface.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '5.7'}, {'status': 'unaffected', 'version': '0', 'lessThan': '5.7', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.6.148', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.101', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.42', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.6', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc5', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/gpu/drm/vmwgfx/vmwgfx_surface.c'], 'defaultStatus': 'affected'}]
    Added 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.
    Added Reference https://git.kernel.org/stable/c/5ff94e1279176b539d451e3e754fdcbd1a8d520a
    Added Reference https://git.kernel.org/stable/c/6910ccaf41678f7761ba2e57d72b77d056320b4d
    Added Reference https://git.kernel.org/stable/c/71779fe8bf403a9b3e28dc59229fa556db32d35d
    Added Reference https://git.kernel.org/stable/c/a4f55260f7f7d4dc4d0ee55063dfb0c457b77991
    Added Reference https://git.kernel.org/stable/c/b1379f0c42b88cb60b9f3757eb5d1e73ad460ed8
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CVSS
Vulnerability Scoring Details
No CVSS metrics available for this vulnerability.