High 7.8Published Dec 6, 2025

CVE-2025-40277drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE

Updated under an hour ago (Oct 27, 2026, 12:40 AM ET)

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Exploited in the last 30 days

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: 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Deferred
Record last updated: Aug 5, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 8ce75f8ab9044fe11caaaf2b2c82471023212f9f before e58559845021c3bad5e094219378b869157fad53; from 8ce75f8ab9044fe11caaaf2b2c82471023212f9f before 54d458b244893e47bda52ec3943fdfbc8d7d068b; from 8ce75f8ab9044fe11caaaf2b2c82471023212f9f before 709e5c088f9c99a5cf2c1d1c6ce58f2cca7ab173; from 8ce75f8ab9044fe11caaaf2b2c82471023212f9f before a3abb54c27b2c393c44362399777ad2f6e1ff17e; from 8ce75f8ab9044fe11caaaf2b2c82471023212f9f before b5df9e06eed3df6a4f5c6f8453013b0cabb927b4; 8ce75f8ab9044fe11caaaf2b2c82471023212f9f builds before 5aea2cde03d4247cdcf53f9ab7d0747c9dca1cfc; from 8ce75f8ab9044fe11caaaf2b2c82471023212f9f before f3f3a8eb3f0ba799fae057091d8c67cca12d6fa0; from 8ce75f8ab9044fe11caaaf2b2c82471023212f9f before 32b415a9dc2c212e809b7ebc2b14bc3fbda2b9af	CNA record

References

References

https://git.kernel.org/stable/c/e58559845021c3bad5e094219378b869157fad53
https://git.kernel.org/stable/c/54d458b244893e47bda52ec3943fdfbc8d7d068b
https://git.kernel.org/stable/c/709e5c088f9c99a5cf2c1d1c6ce58f2cca7ab173
https://git.kernel.org/stable/c/a3abb54c27b2c393c44362399777ad2f6e1ff17e
https://git.kernel.org/stable/c/b5df9e06eed3df6a4f5c6f8453013b0cabb927b4
https://git.kernel.org/stable/c/5aea2cde03d4247cdcf53f9ab7d0747c9dca1cfc
https://git.kernel.org/stable/c/f3f3a8eb3f0ba799fae057091d8c67cca12d6fa0
https://git.kernel.org/stable/c/32b415a9dc2c212e809b7ebc2b14bc3fbda2b9af

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.