CVE-2026-68446
Published: August 14, 2026Last modified: August 14, 2026
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Vulnerable (6.1.177-r0) |
| 25 LTS | linux-lts | Fixed (6.12.103-r0) | |
| Stream | linux-lts | Fixed (6.18.43-r0) |
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