CVE-2025-39706

drm/amdkfd: Destroy KFD debugfs after destroy KFD wq

At a glance

Severity
Not available
EPSS
EPSS 0.15 % · percentile 4 (2026-10-27)
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Destroy KFD debugfs after destroy KFD wq Since KFD proc content was moved to kernel debugfs, we can't destroy KFD debugfs before kfd_process_destroy_wq. Move kfd_process_destroy_wq prior to kfd_debugfs_fini to fix a kernel NULL pointer problem. It happens when /sys/kernel/debug/kfd was already destroyed in kfd_debugfs_fini but kfd_process_destroy_wq calls kfd_debugfs_remove_process. This line debugfs_remove_recursive(entry->proc_dentry); tries to remove /sys/kernel/debug/kfd/proc/<pid> while /sys/kernel/debug/kfd is already gone. It hangs the kernel by kernel NULL pointer. (cherry picked from commit 0333052d90683d88531558dcfdbf2525cc37c233)

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)

Weaknesses (CWE)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected 4a488a7ad71401169cecee75dc94bcce642e2c53 < fc35c955da799ba62f6f977d58e0866d0251e3f8 ; affected 4a488a7ad71401169cecee75dc94bcce642e2c53 < 74ee7445c3b61c3bd899a54bd82c1982cb3a8206 ; affected 4a488a7ad71401169cecee75dc94bcce642e2c53 < 96609a51e6134542bf90e053c2cd2fe4f61ebce3 ; affected 4a488a7ad71401169cecee75dc94bcce642e2c53 < 910735ded17cc306625e7e1cdcc8102f7ac60994 ; affected 4a488a7ad71401169cecee75dc94bcce642e2c53 < 2e58401a24e7b2d4ec619104e1a76590c1284a4c
Linux · Linuxaffected 3.19 ; unaffected 0 < 3.19 ; unaffected 6.1.149 ≤ 6.1.* ; unaffected 6.6.103 ≤ 6.6.* ; unaffected 6.12.44 ≤ 6.12.* ; unaffected 6.16.4 ≤ 6.16.*

References

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD