CVE-2025-39706

{"id": "CVE-2025-39706", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "4a488a7ad71401169cecee75dc94bcce642e2c53", "lessThan": "fc35c955da799ba62f6f977d58e0866d0251e3f8", "versionType": "git"}, {"status": "affected", "version": "4a488a7ad71401169cecee75dc94bcce642e2c53", "lessThan": "74ee7445c3b61c3bd899a54bd82c1982cb3a8206", "versionType": "git"}, {"status": "affected", "version": "4a488a7ad71401169cecee75dc94bcce642e2c53", "lessThan": "96609a51e6134542bf90e053c2cd2fe4f61ebce3", "versionType": "git"}, {"status": "affected", "version": "4a488a7ad71401169cecee75dc94bcce642e2c53", "lessThan": "910735ded17cc306625e7e1cdcc8102f7ac60994", "versionType": "git"}, {"status": "affected", "version": "4a488a7ad71401169cecee75dc94bcce642e2c53", "lessThan": "2e58401a24e7b2d4ec619104e1a76590c1284a4c", "versionType": "git"}], "programFiles": ["drivers/gpu/drm/amd/amdkfd/kfd_module.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "3.19"}, {"status": "unaffected", "version": "0", "lessThan": "3.19", "versionType": "semver"}, {"status": "unaffected", "version": "6.1.149", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.103", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.44", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.16.4", "versionType": "semver", "lessThanOrEqual": "6.16.*"}, {"status": "unaffected", "version": "6.17", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/gpu/drm/amd/amdkfd/kfd_module.c"], "defaultStatus": "affected"}]}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "affectedData": [{"vendor": "Siemens", "product": "SIMATIC CN 4100", "versions": [{"status": "affected", "version": "0", "lessThan": "V5.0", "versionType": "custom"}], "defaultStatus": "unknown"}]}], "published": "2025-09-05T18:15:47.817", "references": [{"url": "https://git.kernel.org/stable/c/2e58401a24e7b2d4ec619104e1a76590c1284a4c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/74ee7445c3b61c3bd899a54bd82c1982cb3a8206", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/910735ded17cc306625e7e1cdcc8102f7ac60994", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/96609a51e6134542bf90e053c2cd2fe4f61ebce3", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/fc35c955da799ba62f6f977d58e0866d0251e3f8", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://cert-portal.siemens.com/productcert/html/ssa-032379.html", "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "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)"}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ndrm/amdkfd: Destruir KFD debugfs despu\u00e9s de destruir KFD wq\n\nDado que el contenido de KFD proc fue movido a kernel debugfs, no podemos destruir KFD debugfs antes de kfd_process_destroy_wq. Mover kfd_process_destroy_wq antes de kfd_debugfs_fini para solucionar un problema de puntero NULL del kernel. Sucede cuando /sys/kernel/debug/kfd ya fue destruido en kfd_debugfs_fini pero kfd_process_destroy_wq llama a kfd_debugfs_remove_process. Esta l\u00ednea\n debugfs_remove_recursive(entry->proc_dentry);\nintenta eliminar /sys/kernel/debug/kfd/proc/<pid> mientras /sys/kernel/debug/kfd ya no existe. Cuelga el kernel por un puntero NULL del kernel.\n\n(seleccionado de la confirmaci\u00f3n 0333052d90683d88531558dcfdbf2525cc37c233)"}], "lastModified": "2026-10-19T21:10:00.160", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7D5283CE-94FE-48E7-B68D-47D430F71FB5", "versionEndExcluding": "6.1.149", "versionStartIncluding": "3.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F2293654-7169-49B5-8D0D-EE51EF8B8E48", "versionEndExcluding": "6.6.103", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "12351F24-1133-4775-960C-F2B47E81298B", "versionEndExcluding": "6.12.44", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AFC28995-B8C3-4B68-8CB6-78E792B6629D", "versionEndExcluding": "6.16.4", "versionStartIncluding": "6.13"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}