CVE-2012-2136

{"id": "CVE-2012-2136", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "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": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2012-08-09T10:29:46.870", "references": [{"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc", "tags": ["Broken Link"], "source": "secalert@redhat.com"}, {"url": "http://rhn.redhat.com/errata/RHSA-2012-0743.html", "tags": ["Third Party Advisory", "VDB Entry"], "source": "secalert@redhat.com"}, {"url": "http://rhn.redhat.com/errata/RHSA-2012-1087.html", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://secunia.com/advisories/50807", "tags": ["URL Repurposed"], "source": "secalert@redhat.com"}, {"url": "http://ubuntu.com/usn/usn-1529-1", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.securityfocus.com/bid/53721", "tags": ["Third Party Advisory", "VDB Entry"], "source": "secalert@redhat.com"}, {"url": "http://www.ubuntu.com/usn/USN-1535-1", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=816289", "tags": ["Issue Tracking"], "source": "secalert@redhat.com"}, {"url": "https://github.com/torvalds/linux/commit/cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc", "tags": ["Exploit", "Patch"], "source": "secalert@redhat.com"}, {"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc", "tags": ["Broken Link"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://rhn.redhat.com/errata/RHSA-2012-0743.html", "tags": ["Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://rhn.redhat.com/errata/RHSA-2012-1087.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://secunia.com/advisories/50807", "tags": ["URL Repurposed"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://ubuntu.com/usn/usn-1529-1", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/bid/53721", "tags": ["Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.ubuntu.com/usn/USN-1535-1", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=816289", "tags": ["Issue Tracking"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/torvalds/linux/commit/cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc", "tags": ["Exploit", "Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "The sock_alloc_send_pskb function in net/core/sock.c in the Linux kernel before 3.4.5 does not properly validate a certain length value, which allows local users to cause a denial of service (heap-based buffer overflow and system crash) or possibly gain privileges by leveraging access to a TUN/TAP device."}, {"lang": "es", "value": "La funci\u00f3n sock_alloc_send_pskb en net/core/sock.c en el kernel de linux anterior a v3.4.5 no valida correctamente ciertos valores de longitud, permitiendo a usuarios locales causar una denegaci\u00f3n de servicio (desbordamiento de b\u00fafer basado en el heap o ca\u00edda del sistema) o ganar privilegios mediante el acceso a un dispositivo TUN/TAP"}], "lastModified": "2025-04-11T00:51:21.963", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "11F3BF95-7AFA-4678-8F7C-1B29BDA05822", "versionEndExcluding": "3.0.37"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8B4D48FD-F61E-4443-A0CD-A7A5D139C6D3", "versionEndExcluding": "3.2.23", "versionStartIncluding": "3.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "478D8BEC-1557-40DC-8AB2-42424B19D0A9", "versionEndExcluding": "3.4.5", "versionStartIncluding": "3.3"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}