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Vulnerability record · CVE-2025-40277 · published 6 December 2025

CVE-2025-40277: In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Validate command header size …

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE This data originates from userspace and is used in buffer offset calculations which could potentially overflow causing an out-of-bounds access.

7.8 CVSS 3.1 High EPSS 0.24% · top 86.8% Deferred
7.8CVSS 3.1 base score
0.24%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
8References
30 Jul 2026Last modified by NVD

Description

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE This data originates from userspace and is used in buffer offset calculations which could potentially overflow causing an out-of-bounds access.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

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Source: NIST National Vulnerability Database (record CVE-2025-40277), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.