CVE-2016-9644

{"id": "CVE-2016-9644", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 9.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2016-11-28T03:59:18.283", "references": [{"url": "http://www.openwall.com/lists/oss-security/2016/11/07/4", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.securityfocus.com/bid/94545", "source": "cve@mitre.org"}, {"url": "http://www.ubuntu.com/usn/USN-3146-1", "source": "cve@mitre.org"}, {"url": "http://www.ubuntu.com/usn/USN-3146-2", "source": "cve@mitre.org"}, {"url": "https://lwn.net/Articles/705220/", "tags": ["Product"], "source": "cve@mitre.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-264"}]}], "descriptions": [{"lang": "en", "value": "The __get_user_asm_ex macro in arch/x86/include/asm/uaccess.h in the Linux kernel 4.4.22 through 4.4.28 contains extended asm statements that are incompatible with the exception table, which allows local users to obtain root access on non-SMEP platforms via a crafted application. NOTE: this vulnerability exists because of incorrect backporting of the CVE-2016-9178 patch to older kernels."}, {"lang": "es", "value": "El macro __get_user_asm_ex en arch/x86/include/asm/uaccess.h en el kernel Linux 4.4.22 hasta la versi\u00f3n 4.4.28 contiene declaraciones asm extendidas que son incompatibles con la tabla de excepci\u00f3n, lo que permite a usuarios locales obtener acceso de root en plataformas non-SMEP a trav\u00e9s de una aplicaci\u00f3n manipulada. NOTA: esta vulnerabilidad existe debido a un incorrecto backporting del parche CVE-2016-9178 en kernels antiguos."}], "lastModified": "2017-01-07T03:00:45.400", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:4.4.22:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "69FD6F60-3836-4F63-826D-FC3CBAE3D338"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.4.23:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "04EB1200-5662-4AB8-913F-7517471BA12F"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.4.24:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "96CBD63C-722B-4D8E-BD73-9DB23831B291"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.4.25:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6959AD65-8A87-4B9F-A829-1ED0294FE222"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.4.26:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "273AF0D4-6C6A-4068-8C40-A4D1F0B30824"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.4.27:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C8019864-3F8D-461A-A34A-EA0EDA13A763"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.4.28:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7F69BAE1-5306-4A37-B97A-C0AF1E7E84B1"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}