Review reviewHigh

CVE-2023-53816

Linux

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix potential kgd_mem UAFs kgd_mem pointers returned by kfd_process_device_translate_handle are only guaranteed to be valid while p->mutex is held. As soon as the mutex is unlocked, another thread can free the BO.

CVSS
7.8
EPSS
0.13%
2.67% percentile
CISA KEV
Not listed
Published
2025.12.09
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.13%
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix potential kgd_mem UAFs kgd_mem pointers returned by kfd_process_device_translate_handle are only guaranteed to be valid while p->mutex is held. As soon as the mutex is unlocked, another thread can free the BO.

Affected product and versions

Product
Linux
Affected versions
>= 4a488a7ad71401169cecee75dc94bcce642e2c53 < 5045360f3bb62ccd4f87202e33489f71f8bbc3fc, >= 4a488a7ad71401169cecee75dc94bcce642e2c53 < 5ca14fb5552ac13a2402d306c0bd2379a71610ff, >= 4a488a7ad71401169cecee75dc94bcce642e2c53 < 9da050b0d9e04439d225a2ec3044af70cdfb3933, >= 3.19
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
CVE-2023-53816 — Linux | SECUFOCUS NOW