CVE-2025-39807

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This situation can lead to a\nkernel panic due to accessing the NULL `old_state->crtc`.\n\nE,g.\nUnable to handle kernel NULL pointer dereference at virtual address\nCall trace:\n mtk_crtc_plane_disable+0x24/0x140\n mtk_plane_atomic_update+0x8c/0xa8\n drm_atomic_helper_commit_planes+0x114/0x2c8\n drm_atomic_helper_commit_tail_rpm+0x4c/0x158\n commit_tail+0xa0/0x168\n drm_atomic_helper_commit+0x110/0x120\n drm_atomic_commit+0x8c/0xe0\n drm_atomic_helper_update_plane+0xd4/0x128\n __setplane_atomic+0xcc/0x110\n drm_mode_cursor_common+0x250/0x440\n drm_mode_cursor_ioctl+0x44/0x70\n drm_ioctl+0x264/0x5d8\n __arm64_sys_ioctl+0xd8/0x510\n invoke_syscall+0x6c/0xe0\n do_el0_svc+0x68/0xe8\n el0_svc+0x34/0x60\n el0t_64_sync_handler+0x1c/0xf8\n el0t_64_sync+0x180/0x188\n\nAdding NULL pointer checks to ensure stability by preventing operations\non an invalid CRTC state."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/mediatek/mtk_plane.c"], "versions": [{"version": "40b5b4ba8ed87c0bfb6268c10589777652ebde4c", "lessThan": "7d5cc22efa44e0fe321ce195c71c3d7da211fbb2", "status": "affected", "versionType": "git"}, {"version": "d208261e9f7c66960587b10473081dc1cecbe50b", "lessThan": "9a94e9d8b50bcfe89693bc899a54d3866d86e973", "status": "affected", "versionType": "git"}, {"version": "d208261e9f7c66960587b10473081dc1cecbe50b", "lessThan": "0c6b24d70da21201ed009a2aca740d2dfddc7ab5", "status": "affected", "versionType": "git"}, {"version": "a9c482689051ca96f4a4630fe49fd6919694caaa", "status": "affected", "versionType": "git"}, {"version": "6.12.40", "lessThan": "6.12.45", "status": "affected", "versionType": "semver"}, {"version": "6.15.8", "lessThan": "6.16", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/mediatek/mtk_plane.c"], "versions": [{"version": "6.16", "status": "affected"}, {"version": "0", "lessThan": "6.16", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.45", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.16.5", "lessThanOrEqual": "6.16.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12.40", "versionEndExcluding": "6.12.45"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.16", "versionEndExcluding": "6.16.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.16", "versionEndExcluding": "6.17"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15.8"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/7d5cc22efa44e0fe321ce195c71c3d7da211fbb2"}, {"url": "https://git.kernel.org/stable/c/9a94e9d8b50bcfe89693bc899a54d3866d86e973"}, {"url": "https://git.kernel.org/stable/c/0c6b24d70da21201ed009a2aca740d2dfddc7ab5"}], "title": "drm/mediatek: Add error handling for old state CRTC in atomic_disable", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"cvssV3_1": {"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"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2025-39807", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-01-14T18:14:18.395954Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-476", "description": "CWE-476 NULL Pointer Dereference"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-14T18:22:54.720Z"}}]}}

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This situation can lead to a\nkernel panic due to accessing the NULL `old_state->crtc`.\n\nE,g.\nUnable to handle kernel NULL pointer dereference at virtual address\nCall trace:\n mtk_crtc_plane_disable+0x24/0x140\n mtk_plane_atomic_update+0x8c/0xa8\n drm_atomic_helper_commit_planes+0x114/0x2c8\n drm_atomic_helper_commit_tail_rpm+0x4c/0x158\n commit_tail+0xa0/0x168\n drm_atomic_helper_commit+0x110/0x120\n drm_atomic_commit+0x8c/0xe0\n drm_atomic_helper_update_plane+0xd4/0x128\n __setplane_atomic+0xcc/0x110\n drm_mode_cursor_common+0x250/0x440\n drm_mode_cursor_ioctl+0x44/0x70\n drm_ioctl+0x264/0x5d8\n __arm64_sys_ioctl+0xd8/0x510\n invoke_syscall+0x6c/0xe0\n do_el0_svc+0x68/0xe8\n el0_svc+0x34/0x60\n el0t_64_sync_handler+0x1c/0xf8\n el0t_64_sync+0x180/0x188\n\nAdding NULL pointer checks to ensure stability by preventing operations\non an invalid CRTC state."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.45", "versionStartIncluding": "6.12.40"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.16.5", "versionStartIncluding": "6.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.17", "versionStartIncluding": "6.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "6.15.8"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T16:00:46.198Z"}}}, "cveMetadata": {"cveId": "CVE-2025-39807", "state": "PUBLISHED", "dateUpdated": "2026-05-23T16:00:46.198Z", "dateReserved": "2025-04-16T07:20:57.137Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2025-09-16T13:00:10.408Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/gpu/drm/mediatek/mtk_plane.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "7d5cc22efa44e0fe321ce195c71c3d7da211fbb2", "status": "affected", "version": "40b5b4ba8ed87c0bfb6268c10589777652ebde4c", "versionType": "git"}, {"lessThan": "9a94e9d8b50bcfe89693bc899a54d3866d86e973", "status": "affected", "version": "d208261e9f7c66960587b10473081dc1cecbe50b", "versionType": "git"}, {"lessThan": "0c6b24d70da21201ed009a2aca740d2dfddc7ab5", "status": "affected", "version": "d208261e9f7c66960587b10473081dc1cecbe50b", "versionType": "git"}, {"status": "affected", "version": "a9c482689051ca96f4a4630fe49fd6919694caaa", "versionType": "git"}, {"lessThan": "6.12.45", "status": "affected", "version": "6.12.40", "versionType": "semver"}, {"lessThan": "6.16", "status": "affected", "version": "6.15.8", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/gpu/drm/mediatek/mtk_plane.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.16"}, {"lessThan": "6.16", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.45", "versionType": "semver"}, {"lessThanOrEqual": "6.16.*", "status": "unaffected", "version": "6.16.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.17", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "27EAA6DF-512D-4E94-B38B-33571BB22DC1", "versionEndExcluding": "6.12.45", "versionStartIncluding": "6.12.40", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "EA66C243-6DF2-4727-A595-DD89F076A762", "versionEndExcluding": "6.16", "versionStartIncluding": "6.15.8", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "F0041731-3A53-4973-8102-994D933D57E8", "versionEndExcluding": "6.16.5", "versionStartIncluding": "6.16.1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.16:-:*:*:*:*:*:*", "matchCriteriaId": "6238B17D-C12B-458F-A138-97039BFC4595", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.16:rc7:*:*:*:*:*:*", "matchCriteriaId": "7A9C2DE5-43B8-4D73-BDB5-EA55C7671A52", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:*", "matchCriteriaId": "327D22EF-390B-454C-BD31-2ED23C998A1C", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:*", "matchCriteriaId": "C730CD9A-D969-4A8E-9522-162AAF7C0EE9", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc3:*:*:*:*:*:*", "matchCriteriaId": "39982C4B-716E-4B2F-8196-FA301F47807D", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/mediatek: Add error handling for old state CRTC in atomic_disable\n\nIntroduce error handling to address an issue where, after a hotplug\nevent, the cursor continues to update. This situation can lead to a\nkernel panic due to accessing the NULL `old_state->crtc`.\n\nE,g.\nUnable to handle kernel NULL pointer dereference at virtual address\nCall trace:\n mtk_crtc_plane_disable+0x24/0x140\n mtk_plane_atomic_update+0x8c/0xa8\n drm_atomic_helper_commit_planes+0x114/0x2c8\n drm_atomic_helper_commit_tail_rpm+0x4c/0x158\n commit_tail+0xa0/0x168\n drm_atomic_helper_commit+0x110/0x120\n drm_atomic_commit+0x8c/0xe0\n drm_atomic_helper_update_plane+0xd4/0x128\n __setplane_atomic+0xcc/0x110\n drm_mode_cursor_common+0x250/0x440\n drm_mode_cursor_ioctl+0x44/0x70\n drm_ioctl+0x264/0x5d8\n __arm64_sys_ioctl+0xd8/0x510\n invoke_syscall+0x6c/0xe0\n do_el0_svc+0x68/0xe8\n el0_svc+0x34/0x60\n el0t_64_sync_handler+0x1c/0xf8\n el0t_64_sync+0x180/0x188\n\nAdding NULL pointer checks to ensure stability by preventing operations\non an invalid CRTC state."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ndrm/mediatek: A\u00f1adir manejo de errores para el CRTC de estado antiguo en atomic_disable\n\nSe introduce el manejo de errores para abordar un problema donde, despu\u00e9s de un evento de hotplug, el cursor contin\u00faa actualiz\u00e1ndose. Esta situaci\u00f3n puede llevar a un kernel panic debido al acceso al NULL 'old_state->crtc'.\n\nP.ej.\nNo se puede manejar la desreferencia de puntero NULL del kernel en la direcci\u00f3n virtual\nTraza de llamada:\n mtk_crtc_plane_disable+0x24/0x140\n mtk_plane_atomic_update+0x8c/0xa8\n drm_atomic_helper_commit_planes+0x114/0x2c8\n drm_atomic_helper_commit_tail_rpm+0x4c/0x158\n commit_tail+0xa0/0x168\n drm_atomic_helper_commit+0x110/0x120\n drm_atomic_commit+0x8c/0xe0\n drm_atomic_helper_update_plane+0xd4/0x128\n __setplane_atomic+0xcc/0x110\n drm_mode_cursor_common+0x250/0x440\n drm_mode_cursor_ioctl+0x44/0x70\n drm_ioctl+0x264/0x5d8\n __arm64_sys_ioctl+0xd8/0x510\n invoke_syscall+0x6c/0xe0\n do_el0_svc+0x68/0xe8\n el0_svc+0x34/0x60\n el0t_64_sync_handler+0x1c/0xf8\n el0t_64_sync+0x180/0x188\n\nA\u00f1adiendo comprobaciones de puntero NULL para asegurar la estabilidad al prevenir operaciones en un estado CRTC inv\u00e1lido."}], "id": "CVE-2025-39807", "lastModified": "2026-10-19T21:10:00.160", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-39807", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-01-14T18:14:18.395954Z", "version": "2.0.3"}}]}, "published": "2025-09-16T13:15:51.783", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0c6b24d70da21201ed009a2aca740d2dfddc7ab5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7d5cc22efa44e0fe321ce195c71c3d7da211fbb2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9a94e9d8b50bcfe89693bc899a54d3866d86e973"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-476"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: drm/mediatek: Add error handling for old state CRTC in atomic_disable", "id": "2395788", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2395788"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2025-39807", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-09-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-39807\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-39807\nhttps://lore.kernel.org/linux-cve-announce/2025091613-CVE-2025-39807-4c3b@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-09-17T10:04:33.864002+00:00", "updated": "2025-09-17T10:04:33.864035+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}