Vulnerability details

CVE-2025-40277

Linux Linux

drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE

CVSS 3.1
7.8High

Official 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 scores

ScoreVersionSourceVector
7.8High 3.1 CVEProject cvelistV5 (CNA) (Linux) CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
Linux Linux 4.3 CVEProject cvelistV5 (CNA)
Linux Linux 8ce75f8ab9044fe11caaaf2b2c82471023212f9f ≤ v < 54d458b244893e47bda52ec3943fdfbc8d7d068b CVEProject cvelistV5 (CNA)
Linux Linux 8ce75f8ab9044fe11caaaf2b2c82471023212f9f ≤ v < 709e5c088f9c99a5cf2c1d1c6ce58f2cca7ab173 CVEProject cvelistV5 (CNA)
Linux Linux 8ce75f8ab9044fe11caaaf2b2c82471023212f9f ≤ v < a3abb54c27b2c393c44362399777ad2f6e1ff17e CVEProject cvelistV5 (CNA)
Linux Linux 8ce75f8ab9044fe11caaaf2b2c82471023212f9f ≤ v < e58559845021c3bad5e094219378b869157fad53 CVEProject cvelistV5 (CNA)
Linux Linux 8ce75f8ab9044fe11caaaf2b2c82471023212f9f ≤ v < 5aea2cde03d4247cdcf53f9ab7d0747c9dca1cfc CVEProject cvelistV5 (CNA)
Linux Linux 8ce75f8ab9044fe11caaaf2b2c82471023212f9f ≤ v < f3f3a8eb3f0ba799fae057091d8c67cca12d6fa0 CVEProject cvelistV5 (CNA)
Linux Linux 8ce75f8ab9044fe11caaaf2b2c82471023212f9f ≤ v < 32b415a9dc2c212e809b7ebc2b14bc3fbda2b9af CVEProject cvelistV5 (CNA)
Linux Linux 8ce75f8ab9044fe11caaaf2b2c82471023212f9f ≤ v < b5df9e06eed3df6a4f5c6f8453013b0cabb927b4 CVEProject cvelistV5 (CNA)

References and advisories

8
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Details

Published
2025-12-07
Last updated
2026-08-05
State
Published
Assigner (CNA)
Linux

Exploit prediction (EPSS)

0.25%
Probability of exploitation in 30 days
17%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Partial

Weaknesses (CWE)

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