Vulnerability in Linux

CVE-2026-68446

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (6.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 6.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-68446: held from 0.001 to 0.002.

EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.001

Affected products

  • Linux — versions 6.6.148, 7.2-rc5, 504901dbb0b565fcbe466b0c56f3131586df5afd

References

Frequently asked questions

What is CVE-2026-68446?
CVE-2026-68446 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-08-12.
How severe is CVE-2026-68446?
High severity. CVSS v3 base score is 7.8 out of 10.