CVE-2022-49232

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which\ncould lead to NULL pointer dereference on failure of\namdgpu_dm_create_common_mode().\n\nFix this by adding a NULL check of mode.\n\nThis bug was found by a static analyzer.\n\nBuilds with 'make allyesconfig' show no new warnings,\nand our static analyzer no longer warns about this code."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c"], "versions": [{"version": "e7b07ceef2a650e5ed8ca37997689e086c680daf", "lessThan": "2c729dec8c1e3e2892fde5ce8181553860914e74", "status": "affected", "versionType": "git"}, {"version": "e7b07ceef2a650e5ed8ca37997689e086c680daf", "lessThan": "57f4ad5e286fe4599c8fc63cf89f85f9eec7f9c9", "status": "affected", "versionType": "git"}, {"version": "e7b07ceef2a650e5ed8ca37997689e086c680daf", "lessThan": "19a7eba284790cfbba2945deb2363cf03ce41648", "status": "affected", 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{"title": "drm/amd/display: Fix a NULL pointer dereference in amdgpu_dm_connector_add_common_modes()", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "e7b07ceef2a650e5ed8ca37997689e086c680daf", "lessThan": "2c729dec8c1e3e2892fde5ce8181553860914e74", "versionType": "git"}, {"status": "affected", "version": "e7b07ceef2a650e5ed8ca37997689e086c680daf", "lessThan": "57f4ad5e286fe4599c8fc63cf89f85f9eec7f9c9", "versionType": "git"}, {"status": "affected", "version": "e7b07ceef2a650e5ed8ca37997689e086c680daf", "lessThan": "19a7eba284790cfbba2945deb2363cf03ce41648", "versionType": "git"}, {"status": "affected", "version": "e7b07ceef2a650e5ed8ca37997689e086c680daf", "lessThan": "bdc7429708a0772d90c208975694f7c2133b1202", "versionType": "git"}, {"status": "affected", "version": "e7b07ceef2a650e5ed8ca37997689e086c680daf", "lessThan": 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allyesconfig' show no new warnings,\nand our static analyzer no longer warns about this code."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.19.238", "versionStartIncluding": "4.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.4.189", "versionStartIncluding": "4.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.110", "versionStartIncluding": "4.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.33", "versionStartIncluding": "4.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.16.19", "versionStartIncluding": "4.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, 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resolved:\n\ndrm/amd/display: Fix a NULL pointer dereference in amdgpu_dm_connector_add_common_modes()\n\nIn amdgpu_dm_connector_add_common_modes(), amdgpu_dm_create_common_mode()\nis assigned to mode and is passed to drm_mode_probed_add() directly after\nthat. drm_mode_probed_add() passes &mode->head to list_add_tail(), and\nthere is a dereference of it in list_add_tail() without recoveries, which\ncould lead to NULL pointer dereference on failure of\namdgpu_dm_create_common_mode().\n\nFix this by adding a NULL check of mode.\n\nThis bug was found by a static analyzer.\n\nBuilds with 'make allyesconfig' show no new warnings,\nand our static analyzer no longer warns about this code."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: Corrige una desreferencia de puntero NULL en amdgpu_dm_connector_add_common_modes() En amdgpu_dm_connector_add_common_modes(), amdgpu_dm_create_common_mode() se asigna a mode y se pasa a drm_mode_probed_add() directamente despu\u00e9s de eso. drm_mode_probed_add() pasa &mode->head a list_add_tail(), y hay una desreferencia de este en list_add_tail() sin recuperaciones, lo que podr\u00eda provocar una desreferencia de puntero NULL en caso de fallo de amdgpu_dm_create_common_mode(). Corrige esto agregando una comprobaci\u00f3n NULL de mode. Este error fue encontrado por un analizador est\u00e1tico. Las compilaciones con 'make allyesconfig' no muestran nuevas advertencias y nuestro analizador est\u00e1tico ya no advierte sobre este c\u00f3digo."}], "id": "CVE-2022-49232", "lastModified": "2026-06-17T05:17:27.443", "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-2022-49232", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-10-01T19:46:07.786921Z", "version": "2.0.3"}}]}, "published": "2025-02-26T07:01:00.217", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/19a7eba284790cfbba2945deb2363cf03ce41648"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2c729dec8c1e3e2892fde5ce8181553860914e74"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/57f4ad5e286fe4599c8fc63cf89f85f9eec7f9c9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/588a70177df3b1777484267584ef38ab2ca899a2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/639b3b9def0a6a3f316a195d705d14113236e89c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bdc7429708a0772d90c208975694f7c2133b1202"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f4eaa999fec78dec2a9c2d797438e05cbffb125b"}], "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/amd/display: Fix a NULL pointer dereference in amdgpu_dm_connector_add_common_modes()", "id": "2347782", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2347782"}, "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"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/amd/display: Fix a NULL pointer dereference in amdgpu_dm_connector_add_common_modes()\nIn amdgpu_dm_connector_add_common_modes(), amdgpu_dm_create_common_mode()\nis assigned to mode and is passed to drm_mode_probed_add() directly after\nthat. drm_mode_probed_add() passes &mode->head to list_add_tail(), and\nthere is a dereference of it in list_add_tail() without recoveries, which\ncould lead to NULL pointer dereference on failure of\namdgpu_dm_create_common_mode().\nFix this by adding a NULL check of mode.\nThis bug was found by a static analyzer.\nBuilds with 'make allyesconfig' show no new warnings,\nand our static analyzer no longer warns about this code."], "name": "CVE-2022-49232", "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": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49232\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49232\nhttps://lore.kernel.org/linux-cve-announce/2025022623-CVE-2022-49232-bf6c@gregkh/T"], "threat_severity": "Moderate"}

{}