{ "id": "CVE-2016-9793", "sourceIdentifier": "cve@mitre.org", "published": "2016-12-28T07:59:00.557", "lastModified": "2025-04-12T10:46:40.837", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [ { "lang": "en", "value": "The sock_setsockopt function in net/core/sock.c in the Linux kernel before 4.8.14 mishandles negative values of sk_sndbuf and sk_rcvbuf, which allows local users to cause a denial of service (memory corruption and system crash) or possibly have unspecified other impact by leveraging the CAP_NET_ADMIN capability for a crafted setsockopt system call with the (1) SO_SNDBUFFORCE or (2) SO_RCVBUFFORCE option." }, { "lang": "es", "value": "La funci\u00f3n sock_setsockopt en net/core/sock.c en el kernel de Linux en versiones anteriores a 4.8.14 no maneja adecuadamente valores negativos de sk_sndbuf y sk_rcvbuf, lo que permite a usuarios locales provocar una denegaci\u00f3n de servicio (corrupci\u00f3n de memoria y ca\u00edda del sistema) o posiblemente tener otros impactos no especificados aprovechando la capacidad CAP_NET_ADMIN para una llamada al sistema setsockopt manipulada con la opci\u00f3n (1) SO_SNDBUFFORCE o (2) SO_RCVBUFFORCE." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 5.9 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "baseScore": 7.2, "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "availabilityImpact": "COMPLETE" }, "baseSeverity": "HIGH", "exploitabilityScore": 3.9, "impactScore": 10.0, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-119" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.5", "versionEndExcluding": "3.12.69", "matchCriteriaId": "4E1C5AC9-663B-4BE0-A4A5-46EFD7A95ABC" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.13", "versionEndExcluding": "3.16.40", "matchCriteriaId": "1331ABAB-8C2B-4379-BA77-B655A5B9A83F" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "3.18.52", "matchCriteriaId": "8104AAC1-9700-4372-8E11-37B09309A76F" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.19", "versionEndExcluding": "4.1.50", "matchCriteriaId": "F71F6650-13B4-486F-80AC-20D871806D44" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "4.4.38", "matchCriteriaId": "ECA0BA21-3E8F-49EF-A94F-D1DFD18343FC" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.5", "versionEndExcluding": "4.8.14", "matchCriteriaId": "2454EAB6-FC42-4FA4-BE76-CBAA81D4ADC4" } ] } ] } ], "references": [ { "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b98b0bc8c431e3ceb4b26b0dfc8db509518fb290", "source": "cve@mitre.org", "tags": [ "Patch", "Vendor Advisory" ] }, { "url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.14", "source": "cve@mitre.org", "tags": [ "Release Notes", "Vendor Advisory" ] }, { "url": "http://www.openwall.com/lists/oss-security/2016/12/03/1", "source": "cve@mitre.org", "tags": [ "Mailing List", "Patch", "Third Party Advisory" ] }, { "url": "http://www.securityfocus.com/bid/94655", "source": "cve@mitre.org", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "http://www.securitytracker.com/id/1037968", "source": "cve@mitre.org", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "https://access.redhat.com/errata/RHSA-2017:0931", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://access.redhat.com/errata/RHSA-2017:0932", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://access.redhat.com/errata/RHSA-2017:0933", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1402013", "source": "cve@mitre.org", "tags": [ "Issue Tracking", "Third Party Advisory" ] }, { "url": "https://github.com/torvalds/linux/commit/b98b0bc8c431e3ceb4b26b0dfc8db509518fb290", "source": "cve@mitre.org", "tags": [ "Patch", "Vendor Advisory" ] }, { "url": "https://github.com/xairy/kernel-exploits/tree/master/CVE-2016-9793", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://source.android.com/security/bulletin/2017-03-01.html", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b98b0bc8c431e3ceb4b26b0dfc8db509518fb290", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Vendor Advisory" ] }, { "url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.14", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Release Notes", "Vendor Advisory" ] }, { "url": "http://www.openwall.com/lists/oss-security/2016/12/03/1", "source": 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"Third Party Advisory" ] }, { "url": "https://github.com/torvalds/linux/commit/b98b0bc8c431e3ceb4b26b0dfc8db509518fb290", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Vendor Advisory" ] }, { "url": "https://github.com/xairy/kernel-exploits/tree/master/CVE-2016-9793", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] }, { "url": "https://source.android.com/security/bulletin/2017-03-01.html", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] } ] }