{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2016-11-22T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode, which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service (guest OS crash) by leveraging a guest operating system that uses hardware task switching and allows a new task to start in VM86 mode."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-06-30T16:57:01.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "94470", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/94470"}, {"name": "GLSA-201612-56", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "https://security.gentoo.org/glsa/201612-56"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://xenbits.xen.org/xsa/advisory-192.html"}, {"name": "1037341", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://www.securitytracker.com/id/1037341"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://support.citrix.com/article/CTX218775"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2016-9382", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode, which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service (guest OS crash) by leveraging a guest operating system that uses hardware task switching and allows a new task to start in VM86 mode."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "94470", "refsource": "BID", "url": "http://www.securityfocus.com/bid/94470"}, {"name": "GLSA-201612-56", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/201612-56"}, {"name": "http://xenbits.xen.org/xsa/advisory-192.html", "refsource": "CONFIRM", "url": "http://xenbits.xen.org/xsa/advisory-192.html"}, {"name": "1037341", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1037341"}, {"name": "https://support.citrix.com/article/CTX218775", "refsource": "CONFIRM", "url": "https://support.citrix.com/article/CTX218775"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T02:50:36.977Z"}, "title": "CVE Program Container", "references": [{"name": "94470", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/94470"}, {"name": "GLSA-201612-56", "tags": ["vendor-advisory", "x_refsource_GENTOO", "x_transferred"], "url": "https://security.gentoo.org/glsa/201612-56"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://xenbits.xen.org/xsa/advisory-192.html"}, {"name": "1037341", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://www.securitytracker.com/id/1037341"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://support.citrix.com/article/CTX218775"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2016-9382", "datePublished": "2017-01-23T21:00:00.000Z", "dateReserved": "2016-11-17T00:00:00.000Z", "dateUpdated": "2024-08-06T02:50:36.977Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "550223A9-B9F1-440A-8C25-9F0F76AF7301", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.0.1:*:*:*:*:*:*:*", "matchCriteriaId": "FC734D58-96E5-4DD2-8781-F8E0ADB96462", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.0.2:*:*:*:*:*:*:*", "matchCriteriaId": "62CEC1BF-1922-410D-BCBA-C58199F574C7", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.0.3:*:*:*:*:*:*:*", "matchCriteriaId": "923F2C2B-4A65-4823-B511-D0FEB7C7FAB2", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.0.4:*:*:*:*:*:*:*", "matchCriteriaId": "C1A24DED-B2EC-4D9C-9FA4-DD37EF3E3BFC", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:*", "matchCriteriaId": "0D532B60-C8DD-4A2F-9D05-E574D23EB754", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.1.1:*:*:*:*:*:*:*", "matchCriteriaId": "5D83CA8B-8E49-45FA-8FAB-C15052474542", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.1.2:*:*:*:*:*:*:*", "matchCriteriaId": "27537DF5-7E0F-463F-BA87-46E329EE07AC", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.1.3:*:*:*:*:*:*:*", "matchCriteriaId": "3EA4F978-9145-4FE6-B4F9-15207E52C40A", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.1.4:*:*:*:*:*:*:*", "matchCriteriaId": "22A995FD-9B7F-4DF0-BECF-4B086E470F1E", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.1.5:*:*:*:*:*:*:*", "matchCriteriaId": "219597E2-E2D7-4647-8A7C-688B96300158", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.1.6.1:*:*:*:*:*:*:*", "matchCriteriaId": "65E55950-EACA-4209-B2A1-E09026FC6006", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*", "matchCriteriaId": "8F0AF8EF-6FF6-4E22-B16E-82C9F90C6B00", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.2.1:*:*:*:*:*:*:*", "matchCriteriaId": "47640819-FC43-49ED-8A77-728C3D7255B3", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.2.2:*:*:*:*:*:*:*", "matchCriteriaId": "2448537F-87AD-45C1-9FB0-7A49CA31BD76", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.2.3:*:*:*:*:*:*:*", "matchCriteriaId": "E36B2265-70E1-413B-A7CF-79D39E9ADCFB", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.2.4:*:*:*:*:*:*:*", "matchCriteriaId": "37148A72-BE20-45C5-8589-2309ED84D08C", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.2.5:*:*:*:*:*:*:*", "matchCriteriaId": "FB736B4C-325A-4B27-8C8A-15E60B8A8C82", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:*", "matchCriteriaId": "BF948E6A-07BE-4C7D-8A98-002E89D35F4D", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:*", "matchCriteriaId": "C0E23B94-1726-4F63-84BB-8D83FAB156D7", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.3.2:*:*:*:*:*:*:*", "matchCriteriaId": "C76124AB-4E3D-4BE0-AAEA-7FC05868E2FB", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.3.3:*:*:*:*:*:*:*", "matchCriteriaId": "F30B5EF5-0AE8-420B-A103-B1B25A372F09", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.3.4:*:*:*:*:*:*:*", "matchCriteriaId": "F784EF07-DBEC-492A-A0F4-F9F7B2551A0B", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:*", "matchCriteriaId": "1044792C-D544-457C-9391-4F3B5BAB978D", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.4.1:*:*:*:*:*:*:*", "matchCriteriaId": "FBD9AD01-50B7-4951-8A73-A6CF4801A487", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.4.2:*:*:*:*:*:*:*", "matchCriteriaId": "89AA8FD5-E997-4F0D-AFB6-FFBE0073BA5D", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.4.3:*:*:*:*:*:*:*", "matchCriteriaId": "75615D84-9CA1-456C-816D-768E37B074A4", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.4.4:*:*:*:*:*:*:*", "matchCriteriaId": "7AB87384-A1F8-4136-A242-441C655D9364", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:*", "matchCriteriaId": "90CCECD0-C0F9-45A8-8699-64428637EBCA", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.5.1:*:*:*:*:*:*:*", "matchCriteriaId": "F0ED340C-6746-471E-9F2D-19D62D224B7A", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.5.2:*:*:*:*:*:*:*", "matchCriteriaId": "99BD7C4F-DE4C-4508-B20D-46A94B616C5B", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.5.3:*:*:*:*:*:*:*", "matchCriteriaId": "3374F1FB-70F9-4EBC-837B-0D42282E3E5F", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.5.5:*:*:*:*:*:*:*", "matchCriteriaId": "37DA3D28-EAE7-4EC9-977C-444A46CBD9C7", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.6.0:*:*:*:*:*:*:*", "matchCriteriaId": "4B6F7CE9-C409-4D88-9A99-B21420633F45", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.6.1:*:*:*:*:*:*:*", "matchCriteriaId": "B814C381-4991-495A-B530-7543F977B346", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.6.3:*:*:*:*:*:*:*", "matchCriteriaId": "14442705-D243-4250-A486-E70989946D73", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.6.4:*:*:*:*:*:*:*", "matchCriteriaId": "BBB7BAFE-9CB4-40D2-908C-55307728116F", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.7.0:*:*:*:*:*:*:*", "matchCriteriaId": "F1DD0255-9127-4C7F-9C02-42198820363E", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.7.1:*:*:*:*:*:*:*", "matchCriteriaId": "8FDFDDA0-51D2-4995-9B4D-48047C940FC5", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:citrix:xenserver:6.0.2:*:*:*:*:*:*:*", "matchCriteriaId": "5FCF191B-971A-4945-AB14-08091689BE2F", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xenserver:6.2.0:*:*:*:*:*:*:*", "matchCriteriaId": "BCEA97B9-A443-4F87-81B4-B3F0E94AC18E", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xenserver:6.5:*:*:*:*:*:*:*", "matchCriteriaId": "56434D13-7A7B-495C-A135-2688C706A065", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "405F950F-0772-41A3-8B72-B67151CC1376", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode, which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service (guest OS crash) by leveraging a guest operating system that uses hardware task switching and allows a new task to start in VM86 mode."}, {"lang": "es", "value": "Xen 4.0.x hasta la versi\u00f3n 4.7.x administra mal los conmutadores de tareas x86 para el modo VM86, lo que permite a usuarios locales del SO invitado x86 HVM de 32-bit obtener privilegios o provocar una denegaci\u00f3n de servicio (ca\u00edda del SO invitado) aprovechando un sistema operativo invitado que utiliza conmutaci\u00f3n de tareas de hardware y permite iniciar una una nueva tarea en modo VM86."}], "id": "CVE-2016-9382", "lastModified": "2026-05-13T00:24:29.033", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-01-23T21:59:02.830", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/94470"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1037341"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "http://xenbits.xen.org/xsa/advisory-192.html"}, {"source": "cve@mitre.org", "url": "https://security.gentoo.org/glsa/201612-56"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://support.citrix.com/article/CTX218775"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/94470"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1037341"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://xenbits.xen.org/xsa/advisory-192.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/201612-56"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://support.citrix.com/article/CTX218775"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-264"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank the Xen project for reporting this issue. Upstream acknowledges Jan Beulich (SUSE) as the original reporter.", "bugzilla": {"description": "xen: x86 task switch to VM86 mode mis-handled (XSA-192)", "id": "1392933", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1392933"}, "csaw": false, "cvss": {"cvss_base_score": "4.6", "cvss_scoring_vector": "AV:N/AC:H/Au:S/C:P/I:P/A:P", "status": "draft"}, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode, which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service (guest OS crash) by leveraging a guest operating system that uses hardware task switching and allows a new task to start in VM86 mode."], "name": "CVE-2016-9382", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "xen", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2016-11-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-9382\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-9382\nhttp://xenbits.xen.org/xsa/advisory-192.html"], "threat_severity": "Moderate"}

{}