CVE-2014-7155

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "http://xenbits.xen.org/xsa/advisory-105.html", "name": "http://xenbits.xen.org/xsa/advisory-105.html", "tags": ["Patch", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "http://www.securityfocus.com/bid/70057", "name": "70057", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "BID"}, {"url": "http://www.securitytracker.com/id/1030888", "name": "1030888", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "SECTRACK"}, {"url": "http://support.citrix.com/article/CTX200218", "name": "http://support.citrix.com/article/CTX200218", "tags": ["Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "http://secunia.com/advisories/61858", "name": "61858", "tags": [], "refsource": "SECUNIA"}, {"url": "http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140418.html", "name": "FEDORA-2014-12036", "tags": ["Third Party Advisory"], "refsource": "FEDORA"}, {"url": "http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140483.html", "name": "FEDORA-2014-12000", "tags": ["Third Party Advisory"], "refsource": "FEDORA"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html", "name": "openSUSE-SU-2014:1281", "tags": ["Third Party Advisory"], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html", "name": "openSUSE-SU-2014:1279", "tags": ["Third Party Advisory"], "refsource": "SUSE"}, {"url": "http://www.debian.org/security/2014/dsa-3041", "name": "DSA-3041", "tags": ["Third Party Advisory"], "refsource": "DEBIAN"}, {"url": "http://security.gentoo.org/glsa/glsa-201412-42.xml", "name": "GLSA-201412-42", "tags": [], "refsource": "GENTOO"}, {"url": "http://secunia.com/advisories/61890", "name": "61890", "tags": [], "refsource": "SECUNIA"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 4.4.x and earlier does not properly check supervisor mode permissions, which allows local HVM users to cause a denial of service (guest crash) or gain guest kernel mode privileges via vectors involving an (1) HLT, (2) LGDT, (3) LIDT, or (4) LMSW instruction."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-264"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2014-7155", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 5.8, "accessVector": "ADJACENT_NETWORK", "vectorString": "AV:A/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 6.5, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}}, 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