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CVE-2025-40277

HIGHCVSS 7.8/10EPSS 0.33%

Last modified

CVE-2025-40277 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.33% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.8/10

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

EPSS Probability
0.33%

25.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 8ce75f8ab9044fe11caaaf2b2c82471023212f9f, < e58559845021c3bad5e094219378b869157fad53; >= 8ce75f8ab9044fe11caaaf2b2c82471023212f9f, < 54d458b244893e47bda52ec3943fdfbc8d7d068b; >= 8ce75f8ab9044fe11caaaf2b2c82471023212f9f, < 709e5c088f9c99a5cf2c1d1c6ce58f2cca7ab173; >= 8ce75f8ab9044fe11caaaf2b2c82471023212f9f, < a3abb54c27b2c393c44362399777ad2f6e1ff17e; >= 8ce75f8ab9044fe11caaaf2b2c82471023212f9f, < b5df9e06eed3df6a4f5c6f8453013b0cabb927b4; >= 8ce75f8ab9044fe11caaaf2b2c82471023212f9f, < 5aea2cde03d4247cdcf53f9ab7d0747c9dca1cfc; >= 8ce75f8ab9044fe11caaaf2b2c82471023212f9f, < f3f3a8eb3f0ba799fae057091d8c67cca12d6fa0; >= 8ce75f8ab9044fe11caaaf2b2c82471023212f9f, < 32b415a9dc2c212e809b7ebc2b14bc3fbda2b9af
LinuxLinux4.3

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2025-40277?
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.
How severe is CVE-2025-40277?
CVE-2025-40277 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.33% probability of exploitation in the next 30 days.
How do I fix CVE-2025-40277?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST