{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2012-07-16T00:00:00", "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."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2012-10-30T09:00:00", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5"}, {"name": "RHSA-2012:0743", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "http://rhn.redhat.com/errata/RHSA-2012-0743.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc"}, {"name": "53721", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/53721"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/torvalds/linux/commit/cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc"}, {"name": "USN-1535-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-1535-1"}, {"name": "USN-1529-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://ubuntu.com/usn/usn-1529-1"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=816289"}, {"name": "RHSA-2012:1087", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "http://rhn.redhat.com/errata/RHSA-2012-1087.html"}, {"name": "50807", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/50807"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T19:26:08.141Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5"}, {"name": "RHSA-2012:0743", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "http://rhn.redhat.com/errata/RHSA-2012-0743.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc"}, {"name": "53721", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/53721"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/torvalds/linux/commit/cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc"}, {"name": "USN-1535-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-1535-1"}, {"name": "USN-1529-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://ubuntu.com/usn/usn-1529-1"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=816289"}, {"name": "RHSA-2012:1087", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "http://rhn.redhat.com/errata/RHSA-2012-1087.html"}, {"name": "50807", "tags": ["third-party-advisory", "x_refsource_SECUNIA", "x_transferred"], "url": "http://secunia.com/advisories/50807"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2012-2136", "datePublished": "2012-08-09T10:00:00", "dateReserved": "2012-04-04T00:00:00", "dateUpdated": "2024-08-06T19:26:08.141Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "11F3BF95-7AFA-4678-8F7C-1B29BDA05822", "versionEndExcluding": "3.0.37", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8B4D48FD-F61E-4443-A0CD-A7A5D139C6D3", "versionEndExcluding": "3.2.23", "versionStartIncluding": "3.1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "478D8BEC-1557-40DC-8AB2-42424B19D0A9", "versionEndExcluding": "3.4.5", "versionStartIncluding": "3.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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"}], "id": "CVE-2012-2136", "lastModified": "2025-04-11T00:51:21.963", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2012-08-09T10:29:46.870", "references": [{"source": "secalert@redhat.com", "tags": ["Broken Link"], "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://rhn.redhat.com/errata/RHSA-2012-0743.html"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2012-1087.html"}, {"source": "secalert@redhat.com", "tags": ["URL Repurposed"], "url": "http://secunia.com/advisories/50807"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://ubuntu.com/usn/usn-1529-1"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/53721"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://www.ubuntu.com/usn/USN-1535-1"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=816289"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Patch"], "url": "https://github.com/torvalds/linux/commit/cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://rhn.redhat.com/errata/RHSA-2012-0743.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2012-1087.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["URL Repurposed"], "url": "http://secunia.com/advisories/50807"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://ubuntu.com/usn/usn-1529-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/53721"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.ubuntu.com/usn/USN-1535-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=816289"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch"], "url": "https://github.com/torvalds/linux/commit/cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2012:0690", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "kernel-0:2.6.18-308.8.1.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2012-05-29T00:00:00Z"}, {"advisory": "RHSA-2012:1087", "cpe": "cpe:/o:redhat:rhel_eus:5.6", "package": "kernel-0:2.6.18-238.40.1.el5", "product_name": "Red Hat Enterprise Linux 5.6 EUS - Server Only", "release_date": "2012-07-17T00:00:00Z"}, {"advisory": "RHSA-2012:0743", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-220.23.1.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2012-06-18T00:00:00Z"}], "bugzilla": {"description": "kernel: net: insufficient data_len validation in sock_alloc_send_pskb()", "id": "816289", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=816289"}, "csaw": false, "cvss": {"cvss_base_score": "6.2", "cvss_scoring_vector": "AV:L/AC:H/Au:N/C:C/I:C/A:C", "status": "verified"}, "cwe": "CWE-228->CWE-119", "details": ["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."], "name": "CVE-2012-2136", "package_state": [{"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2012-05-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-2136\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-2136"], "threat_severity": "Important"}

{}