Review reviewHigh

CVE-2025-40111

Linux

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fix Use-after-free in validation Nodes stored in the validation duplicates hashtable come from an arena allocator that is cleared at the end of vmw_execbuf_process. All nodes are expected to be cleared in vmw_validation_drop_ht but this node escaped because its resource was destroyed prematurely.

CVSS
7.8
EPSS
0.14%
3.55% percentile
CISA KEV
Not listed
Published
2025.11.12
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.14%
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fix Use-after-free in validation Nodes stored in the validation duplicates hashtable come from an arena allocator that is cleared at the end of vmw_execbuf_process. All nodes are expected to be cleared in vmw_validation_drop_ht but this node escaped because its resource was destroyed prematurely.

Affected product and versions

Product
Linux
Affected versions
>= 64ad2abfe9a628ce79859d072704bd1ef7682044 < 1822e5287b7dfa59d0af966756ebf1dc652b60ee, >= 64ad2abfe9a628ce79859d072704bd1ef7682044 < fb7165e5f3b3b10721ff70553583ad12e90e447a, >= 64ad2abfe9a628ce79859d072704bd1ef7682044 < 4c918f9d1ccccc0e092f43dcb2d8266f54d7340b, >= 64ad2abfe9a628ce79859d072704bd1ef7682044 < 9a8eaca539708ca532747f606d231f70e684e8ca, >= 64ad2abfe9a628ce79859d072704bd1ef7682044 < 867bda5d95d36f10da398fd4409e21c7002b2332, >= 64ad2abfe9a628ce79859d072704bd1ef7682044 < 655a2f29bfc21105c80bf8a7d7aafa6eca8b4496, >= 64ad2abfe9a628ce79859d072704bd1ef7682044 < 65608e991c2d771c13404e5c7ae122ac3c3357a4, >= 64ad2abfe9a628ce79859d072704bd1ef7682044 < dfe1323ab3c8a4dd5625ebfdba44dc47df84512a, >= 4.20
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:H/I:H/A:H
CWE
Not available