{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49449", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T02:08:31.572Z", "datePublished": "2025-02-26T02:12:59.709Z", "dateUpdated": "2025-03-26T17:45:11.010Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-03-26T17:45:11.010Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: renesas: rzn1: Fix possible null-ptr-deref in sh_pfc_map_resources()\n\nIt will cause null-ptr-deref when using 'res', if platform_get_resource()\nreturns NULL, so move using 'res' after devm_ioremap_resource() that\nwill check it to avoid null-ptr-deref.\nAnd use devm_platform_get_and_ioremap_resource() to simplify code."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/pinctrl/renesas/pinctrl-rzn1.c"], "versions": [{"version": "4e53b5004745ef26a37bca4933b2d3ea71313f2a", "lessThan": "b646e0cfeb38bf5f1944fd548f1dfa9b129fa00c", "status": "affected", "versionType": "git"}, {"version": "4e53b5004745ef26a37bca4933b2d3ea71313f2a", "lessThan": "c16b59d445135c8026a04e388d8b2762feaa3b3b", "status": "affected", "versionType": "git"}, {"version": "4e53b5004745ef26a37bca4933b2d3ea71313f2a", "lessThan": "34c719b8fdfbd0c7c54cae56e6b0f16e9f8bf03e", "status": "affected", "versionType": "git"}, {"version": "4e53b5004745ef26a37bca4933b2d3ea71313f2a", "lessThan": "01f9e02e0f13df3fd291676dc80054e977be1601", "status": "affected", "versionType": "git"}, {"version": "4e53b5004745ef26a37bca4933b2d3ea71313f2a", "lessThan": "2f661477c2bb8068194dbba9738d05219f111c6e", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/pinctrl/renesas/pinctrl-rzn1.c"], "versions": [{"version": "4.20", "status": "affected"}, {"version": "0", "lessThan": "4.20", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.121", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.46", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.17.14", "lessThanOrEqual": "5.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18.3", "lessThanOrEqual": "5.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/b646e0cfeb38bf5f1944fd548f1dfa9b129fa00c"}, {"url": "https://git.kernel.org/stable/c/c16b59d445135c8026a04e388d8b2762feaa3b3b"}, {"url": "https://git.kernel.org/stable/c/34c719b8fdfbd0c7c54cae56e6b0f16e9f8bf03e"}, {"url": "https://git.kernel.org/stable/c/01f9e02e0f13df3fd291676dc80054e977be1601"}, {"url": "https://git.kernel.org/stable/c/2f661477c2bb8068194dbba9738d05219f111c6e"}], "title": "pinctrl: renesas: rzn1: Fix possible null-ptr-deref in sh_pfc_map_resources()", "x_generator": {"engine": "bippy-5f407fcff5a0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "814C88C6-C31D-462A-BBBE-BC83E102E84C", "versionEndExcluding": "5.10.121", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "20D41697-0E8B-4B7D-8842-F17BF2AA21E1", "versionEndExcluding": "5.15.46", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "15E2DD33-2255-4B76-9C15-04FF8CBAB252", "versionEndExcluding": "5.17.14", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8E122216-2E9E-4B3E-B7B8-D575A45BA3C2", "versionEndExcluding": "5.18.3", "versionStartIncluding": "5.18", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: renesas: rzn1: Fix possible null-ptr-deref in sh_pfc_map_resources()\n\nIt will cause null-ptr-deref when using 'res', if platform_get_resource()\nreturns NULL, so move using 'res' after devm_ioremap_resource() that\nwill check it to avoid null-ptr-deref.\nAnd use devm_platform_get_and_ioremap_resource() to simplify code."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: pinctrl: renesas: rzn1: Se corrige la posible eliminaci\u00f3n de referencias PTR nulas en sh_pfc_map_resources(). Esto provocar\u00e1 una eliminaci\u00f3n de referencias PTR nulas al usar 'res', si platform_get_resource() devuelve NULL, por lo que se debe mover el uso de 'res' despu\u00e9s de devm_ioremap_resource() que lo comprobar\u00e1 para evitar la eliminaci\u00f3n de referencias PTR nulas. Y se utiliza devm_platform_get_and_ioremap_resource() para simplificar el c\u00f3digo."}], "id": "CVE-2022-49449", "lastModified": "2025-03-17T16:12:23.147", "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"}]}, "published": "2025-02-26T07:01:21.290", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/01f9e02e0f13df3fd291676dc80054e977be1601"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2f661477c2bb8068194dbba9738d05219f111c6e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/34c719b8fdfbd0c7c54cae56e6b0f16e9f8bf03e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b646e0cfeb38bf5f1944fd548f1dfa9b129fa00c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c16b59d445135c8026a04e388d8b2762feaa3b3b"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: pinctrl: renesas: rzn1: Fix possible null-ptr-deref in sh_pfc_map_resources()", "id": "2348336", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2348336"}, "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": ["In the Linux kernel, the following vulnerability has been resolved:\npinctrl: renesas: rzn1: Fix possible null-ptr-deref in sh_pfc_map_resources()\nIt will cause null-ptr-deref when using 'res', if platform_get_resource()\nreturns NULL, so move using 'res' after devm_ioremap_resource() that\nwill check it to avoid null-ptr-deref.\nAnd use devm_platform_get_and_ioremap_resource() to simplify code."], "name": "CVE-2022-49449", "package_state": [{"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-2022-49449\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49449\nhttps://lore.kernel.org/linux-cve-announce/2025022659-CVE-2022-49449-bf9c@gregkh/T"], "threat_severity": "Low"}