Linux Kernel up to 6.17.8 vmwgfx out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Linux Kernel up to 6.17.8. Impacted is an unknown function of the component vmwgfx. Executing a manipulation can lead to out-of-bounds. This vulnerability is handled as CVE-2025-40277. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.17.8. It has been declared as problematic. This vulnerability affects an unknown functionality of the component vmwgfx. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality. CVE summarizes:

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.

The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2025-40277 since 04/16/2025. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 278559 (Debian dla-4404 : ata-modules-5.10.0-35-armmp-di - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.4.302, 5.10.247, 5.15.197, 6.1.159, 6.6.117, 6.12.59 or 6.17.9 eliminates this vulnerability. Applying the patch e58559845021c3bad5e094219378b869157fad53/54d458b244893e47bda52ec3943fdfbc8d7d068b/709e5c088f9c99a5cf2c1d1c6ce58f2cca7ab173/a3abb54c27b2c393c44362399777ad2f6e1ff17e/b5df9e06eed3df6a4f5c6f8453013b0cabb927b4/5aea2cde03d4247cdcf53f9ab7d0747c9dca1cfc/f3f3a8eb3f0ba799fae057091d8c67cca12d6fa0/32b415a9dc2c212e809b7ebc2b14bc3fbda2b9af is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (278559), EUVD (EUVD-2025-201578) and CERT Bund (WID-SEC-2025-2756). Once again VulDB remains the best source for vulnerability data.

Affected

  • Google Container-Optimized OS
  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • NetApp FAS
  • NetApp AFF
  • SUSE openSUSE
  • RESF Rocky Linux
  • Open Source Linux Kernel
  • Microsoft Azure Linux

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 278559
Nessus Name: Debian dla-4404 : ata-modules-5.10.0-35-armmp-di - security update

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 5.4.302/5.10.247/5.15.197/6.1.159/6.6.117/6.12.59/6.17.9
Patch: e58559845021c3bad5e094219378b869157fad53/54d458b244893e47bda52ec3943fdfbc8d7d068b/709e5c088f9c99a5cf2c1d1c6ce58f2cca7ab173/a3abb54c27b2c393c44362399777ad2f6e1ff17e/b5df9e06eed3df6a4f5c6f8453013b0cabb927b4/5aea2cde03d4247cdcf53f9ab7d0747c9dca1cfc/f3f3a8eb3f0ba799fae057091d8c67cca12d6fa0/32b415a9dc2c212e809b7ebc2b14bc3fbda2b9af

Timelineinfo

04/16/2025 CVE reserved
12/07/2025 +235 days Advisory disclosed
12/07/2025 +0 days VulDB entry created
02/23/2026 +78 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2025-40277 (🔒)
GCVE (CVE): GCVE-0-2025-40277
GCVE (VulDB): GCVE-100-334636
EUVD: 🔒
CERT Bund: WID-SEC-2025-2756 - Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service

Entryinfo

Created: 12/07/2025 08:55
Updated: 02/23/2026 04:59
Changes: 12/07/2025 08:55 (58), 12/07/2025 09:28 (1), 12/09/2025 08:12 (7), 12/13/2025 08:43 (2), 01/04/2026 12:38 (1), 01/22/2026 08:31 (1), 02/23/2026 04:59 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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