{"id":"CVE-2025-39706","state":"PUBLISHED","title":"drm/amdkfd: Destroy KFD debugfs after destroy KFD wq","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Destroy KFD debugfs after destroy KFD wq\n\nSince KFD proc content was moved to kernel debugfs, we can't destroy KFD\ndebugfs before kfd_process_destroy_wq. Move kfd_process_destroy_wq prior\nto kfd_debugfs_fini to fix a kernel NULL pointer problem. It happens\nwhen /sys/kernel/debug/kfd was already destroyed in kfd_debugfs_fini but\nkfd_process_destroy_wq calls kfd_debugfs_remove_process. This line\n    debugfs_remove_recursive(entry->proc_dentry);\ntries to remove /sys/kernel/debug/kfd/proc/<pid> while\n/sys/kernel/debug/kfd is already gone. It hangs the kernel by kernel\nNULL pointer.\n\n(cherry picked from commit 0333052d90683d88531558dcfdbf2525cc37c233)","publishedAt":"2025-09-05T17:21:12.841Z","updatedAt":"2026-05-12T12:06:26.796Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4a488a7ad71401169cecee75dc94bcce642e2c53","status":"affected","lessThan":"fc35c955da799ba62f6f977d58e0866d0251e3f8","versionType":"git"},{"version":"4a488a7ad71401169cecee75dc94bcce642e2c53","status":"affected","lessThan":"74ee7445c3b61c3bd899a54bd82c1982cb3a8206","versionType":"git"},{"version":"4a488a7ad71401169cecee75dc94bcce642e2c53","status":"affected","lessThan":"96609a51e6134542bf90e053c2cd2fe4f61ebce3","versionType":"git"},{"version":"4a488a7ad71401169cecee75dc94bcce642e2c53","status":"affected","lessThan":"910735ded17cc306625e7e1cdcc8102f7ac60994","versionType":"git"},{"version":"4a488a7ad71401169cecee75dc94bcce642e2c53","status":"affected","lessThan":"2e58401a24e7b2d4ec619104e1a76590c1284a4c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdkfd/kfd_module.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.19","versionType":"semver"},{"version":"6.1.149","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.103","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.44","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.16.4","status":"unaffected","lessThanOrEqual":"6.16.*","versionType":"semver"},{"version":"6.17","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdkfd/kfd_module.c"]}],"references":["https://git.kernel.org/stable/c/fc35c955da799ba62f6f977d58e0866d0251e3f8","https://git.kernel.org/stable/c/74ee7445c3b61c3bd899a54bd82c1982cb3a8206","https://git.kernel.org/stable/c/96609a51e6134542bf90e053c2cd2fe4f61ebce3","https://git.kernel.org/stable/c/910735ded17cc306625e7e1cdcc8102f7ac60994","https://git.kernel.org/stable/c/2e58401a24e7b2d4ec619104e1a76590c1284a4c","https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html","https://cert-portal.siemens.com/productcert/html/ssa-032379.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/39xxx/CVE-2025-39706.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-39706","state":"PUBLISHED","datePublished":"2025-09-05T17:21:12.841Z","dateUpdated":"2026-05-12T12:06:26.796Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T07:20:57.116Z"},"containers":{"cna":{"title":"drm/amdkfd: Destroy KFD debugfs after destroy KFD wq","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Destroy KFD debugfs after destroy KFD wq\n\nSince KFD proc content was moved to kernel debugfs, we can't destroy KFD\ndebugfs before kfd_process_destroy_wq. Move kfd_process_destroy_wq prior\nto kfd_debugfs_fini to fix a kernel NULL pointer problem. It happens\nwhen /sys/kernel/debug/kfd was already destroyed in kfd_debugfs_fini but\nkfd_process_destroy_wq calls kfd_debugfs_remove_process. This line\n    debugfs_remove_recursive(entry->proc_dentry);\ntries to remove /sys/kernel/debug/kfd/proc/<pid> while\n/sys/kernel/debug/kfd is already gone. It hangs the kernel by kernel\nNULL pointer.\n\n(cherry picked from commit 0333052d90683d88531558dcfdbf2525cc37c233)"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4a488a7ad71401169cecee75dc94bcce642e2c53","status":"affected","lessThan":"fc35c955da799ba62f6f977d58e0866d0251e3f8","versionType":"git"},{"version":"4a488a7ad71401169cecee75dc94bcce642e2c53","status":"affected","lessThan":"74ee7445c3b61c3bd899a54bd82c1982cb3a8206","versionType":"git"},{"version":"4a488a7ad71401169cecee75dc94bcce642e2c53","status":"affected","lessThan":"96609a51e6134542bf90e053c2cd2fe4f61ebce3","versionType":"git"},{"version":"4a488a7ad71401169cecee75dc94bcce642e2c53","status":"affected","lessThan":"910735ded17cc306625e7e1cdcc8102f7ac60994","versionType":"git"},{"version":"4a488a7ad71401169cecee75dc94bcce642e2c53","status":"affected","lessThan":"2e58401a24e7b2d4ec619104e1a76590c1284a4c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdkfd/kfd_module.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.19","versionType":"semver"},{"version":"6.1.149","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.103","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.44","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.16.4","status":"unaffected","lessThanOrEqual":"6.16.*","versionType":"semver"},{"version":"6.17","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdkfd/kfd_module.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/fc35c955da799ba62f6f977d58e0866d0251e3f8"},{"url":"https://git.kernel.org/stable/c/74ee7445c3b61c3bd899a54bd82c1982cb3a8206"},{"url":"https://git.kernel.org/stable/c/96609a51e6134542bf90e053c2cd2fe4f61ebce3"},{"url":"https://git.kernel.org/stable/c/910735ded17cc306625e7e1cdcc8102f7ac60994"},{"url":"https://git.kernel.org/stable/c/2e58401a24e7b2d4ec619104e1a76590c1284a4c"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:34:41.222Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.19","versionEndExcluding":"6.1.149"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.19","versionEndExcluding":"6.6.103"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.19","versionEndExcluding":"6.12.44"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.19","versionEndExcluding":"6.16.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.19","versionEndExcluding":"6.17"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T17:42:33.582Z"}},{"affected":[{"vendor":"Siemens","product":"SIMATIC CN 4100","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V5.0","versionType":"custom"}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-032379.html"}],"providerMetadata":{"shortName":"siemens-SADP","orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","dateUpdated":"2026-05-12T12:06:26.796Z"},"x_adpType":"supplier"}]}}}