Review reviewHigh

CVE-2025-40334

Linux

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: validate userq buffer virtual address and size It needs to validate the userq object virtual address to determine whether it is residented in a valid vm mapping.

CVSS
7.3
EPSS
0.15%
4.45% percentile
CISA KEV
Not listed
Published
2025.12.10
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.15%
Technical severityCVSS 7.3

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: validate userq buffer virtual address and size It needs to validate the userq object virtual address to determine whether it is residented in a valid vm mapping.

Affected product and versions

Product
Linux
Affected versions
>= 5501117d24a38dadff3dbd8d3102559b27929668 < 5a577de86c4a1c67ca405571d6ef84e65c6897d1, >= 5501117d24a38dadff3dbd8d3102559b27929668 < 9e46b8bb0539d7bc9a9e7b3072fa4f6082490392, >= fbf136b932358da1c65eb6fedd064a33a7a96aaa < 9e46b8bb0539d7bc9a9e7b3072fa4f6082490392, >= 6.16
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
CWE
Not available
CVE-2025-40334 — Linux | SECUFOCUS NOW