CVE-2009-2692

{"id": "CVE-2009-2692", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "[email protected]", "cvssData": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": true, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2009-08-14T15:16:27.500", "references": [{"url": "http://archives.neohapsis.com/archives/fulldisclosure/2009-08/0174.html", "tags": ["Broken Link", "Exploit"], "source": "[email protected]"}, {"url": "http://blog.cr0.org/2009/08/linux-null-pointer-dereference-due-to.html", "tags": ["Exploit", "Issue Tracking"], "source": "[email protected]"}, {"url": "http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.4.37.y.git%3Ba=commit%3Bh=c18d0fe535a73b219f960d1af3d0c264555a12e3", "tags": ["Broken Link"], "source": "[email protected]"}, {"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e694958388c50148389b0e9b9e9e8945cf0f1b98", "tags": ["Broken Link"], "source": "[email protected]"}, {"url": "http://grsecurity.net/~spender/wunderbar_emporium.tgz", "tags": ["Broken Link"], "source": "[email protected]"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2009-09/msg00001.html", "tags": ["Mailing List"], "source": "[email protected]"}, {"url": "http://rhn.redhat.com/errata/RHSA-2009-1222.html", "tags": ["Third Party Advisory"], "source": "[email protected]"}, {"url": "http://rhn.redhat.com/errata/RHSA-2009-1223.html", "tags": ["Third Party Advisory"], "source": "[email protected]"}, {"url": "http://secunia.com/advisories/36278", "tags": ["Broken Link", "Vendor Advisory"], "source": "[email protected]"}, {"url": "http://secunia.com/advisories/36289", "tags": ["Broken Link", "Vendor Advisory"], "source": "[email protected]"}, {"url": "http://secunia.com/advisories/36327", "tags": ["Broken Link", "Vendor Advisory"], "source": "[email protected]"}, {"url": "http://secunia.com/advisories/36430", "tags": ["Broken Link", "Vendor Advisory"], "source": "[email protected]"}, {"url": "http://secunia.com/advisories/37298", "tags": ["Broken Link", "Vendor Advisory"], "source": 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"source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8657", "tags": ["Broken Link"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-908"}]}], "descriptions": [{"lang": "en", "value": "The Linux kernel 2.6.0 through 2.6.30.4, and 2.4.4 through 2.4.37.4, does not initialize all function pointers for socket operations in proto_ops structures, which allows local users to trigger a NULL pointer dereference and gain privileges by using mmap to map page zero, placing arbitrary code on this page, and then invoking an unavailable operation, as demonstrated by the sendpage operation (sock_sendpage function) on a PF_PPPOX socket."}, {"lang": "es", "value": "El kernel de Linux versiones 2.6.0 hasta 2.6.30.4 y 2.4.4 hasta 2.4.37.4, no inicia todos los punteros de funci\u00f3n para operaciones de socket en estructuras de proto_ops, lo que permite a los usuarios locales activar una desreferencia de puntero NULL y alcanzar privilegios mediante el uso de mmap que asigna la p\u00e1gina cero, inserta el c\u00f3digo arbitrario en esta p\u00e1gina y luego invoca una operaci\u00f3n no disponible, como es demostrado por la operaci\u00f3n de sendpage (funci\u00f3n sock_sendpage) en un socket PF_PPPOX."}], "lastModified": "2025-04-09T00:30:58.490", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5960758C-4449-4D23-9EA6-92FB031C3725", "versionEndExcluding": "2.4.37.5", "versionStartIncluding": "2.4.4"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "39A91A11-DDAB-4C83-90A4-CFFC7652955E", "versionEndExcluding": "2.6.30.5", "versionStartIncluding": "2.6.0"}], "operator": "OR"}]}, {"nodes": 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Please see http://kbase.redhat.com/faq/docs/DOC-18065.\n\nUpdates for Red Hat Enterprise Linux 3, 4, 5, and Red Hat Enterprise MRG to correct this issue are available: https://rhn.redhat.com/cve/CVE-2009-2692.html", "lastModified": "2009-09-14T00:00:00", "organization": "Red Hat"}], "sourceIdentifier": "[email protected]"}