Linux Kernel: vmwgfx DRM Driver Metadata Size Validation CVE-2026-68446
CVE-2026-68446 Published on August 12, 2026
drm/vmwgfx: Validate vmw_surface_metadata::array_size
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.
Products Associated with CVE-2026-68446
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Affected Versions
Linux:- Version 504901dbb0b565fcbe466b0c56f3131586df5afd and below 5ff94e1279176b539d451e3e754fdcbd1a8d520a is affected.
- Version 504901dbb0b565fcbe466b0c56f3131586df5afd and below 71779fe8bf403a9b3e28dc59229fa556db32d35d is affected.
- Version 504901dbb0b565fcbe466b0c56f3131586df5afd and below b1379f0c42b88cb60b9f3757eb5d1e73ad460ed8 is affected.
- Version 504901dbb0b565fcbe466b0c56f3131586df5afd and below 6910ccaf41678f7761ba2e57d72b77d056320b4d is affected.
- Version 504901dbb0b565fcbe466b0c56f3131586df5afd and below a4f55260f7f7d4dc4d0ee55063dfb0c457b77991 is affected.
- Version 5.7 is affected.
- Before 5.7 is unaffected.
- Version 6.6.148, <= 6.6.* is unaffected.
- Version 6.12.101, <= 6.12.* is unaffected.
- Version 6.18.42, <= 6.18.* is unaffected.
- Version 7.1.6, <= 7.1.* is unaffected.
- Version 7.2-rc5, <= * is unaffected.