CVE-2016-5242

{"id": "CVE-2016-5242", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.7, "accessVector": "LOCAL", "vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.0", "baseScore": 5.6, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 4.0, "exploitabilityScore": 1.1}]}, "published": "2016-06-07T14:06:17.183", "references": [{"url": "http://www.debian.org/security/2016/dsa-3633", "source": "cve@mitre.org"}, {"url": "http://www.securityfocus.com/bid/91015", "source": "cve@mitre.org"}, {"url": "http://www.securitytracker.com/id/1036035", "source": "cve@mitre.org"}, {"url": "http://xenbits.xen.org/xsa/advisory-181.html", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.debian.org/security/2016/dsa-3633", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/bid/91015", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securitytracker.com/id/1036035", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://xenbits.xen.org/xsa/advisory-181.html", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "The p2m_teardown function in arch/arm/p2m.c in Xen 4.4.x through 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service (NULL pointer dereference and host OS crash) by creating concurrent domains and holding references to them, related to VMID exhaustion."}, {"lang": "es", "value": "La funci\u00f3n p2m_teardown en arch/arm/p2m.c en Xen 4.4.x hasta la versi\u00f3n 4.6.x permite a usuarios locales invitados del SO con acceso al dominio del controlador provocar una denegaci\u00f3n de servicio (referencia a puntero NULL y ca\u00edda del SO anfitri\u00f3n) creando dominios concurrentes y manejando referencias a ellos, relacionado con el agotamiento de VMID."}], "lastModified": "2024-11-21T02:53:54.857", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1044792C-D544-457C-9391-4F3B5BAB978D"}, {"criteria": "cpe:2.3:o:xen:xen:4.4.0:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CF23B21B-594A-42E2-AF90-D5C4246B39A4"}, {"criteria": "cpe:2.3:o:xen:xen:4.4.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FBD9AD01-50B7-4951-8A73-A6CF4801A487"}, {"criteria": "cpe:2.3:o:xen:xen:4.4.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "89AA8FD5-E997-4F0D-AFB6-FFBE0073BA5D"}, {"criteria": "cpe:2.3:o:xen:xen:4.4.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "75615D84-9CA1-456C-816D-768E37B074A4"}, {"criteria": "cpe:2.3:o:xen:xen:4.4.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7AB87384-A1F8-4136-A242-441C655D9364"}, {"criteria": "cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "90CCECD0-C0F9-45A8-8699-64428637EBCA"}, {"criteria": "cpe:2.3:o:xen:xen:4.5.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F0ED340C-6746-471E-9F2D-19D62D224B7A"}, {"criteria": "cpe:2.3:o:xen:xen:4.5.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "99BD7C4F-DE4C-4508-B20D-46A94B616C5B"}, {"criteria": "cpe:2.3:o:xen:xen:4.5.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3374F1FB-70F9-4EBC-837B-0D42282E3E5F"}, {"criteria": "cpe:2.3:o:xen:xen:4.6.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4B6F7CE9-C409-4D88-9A99-B21420633F45"}, {"criteria": "cpe:2.3:o:xen:xen:4.6.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B814C381-4991-495A-B530-7543F977B346"}], "operator": "OR"}]}], "evaluatorComment": "<a href=\"http://cwe.mitre.org/data/definitions/476.html\">CWE-476: NULL Pointer Dereference</a>", "sourceIdentifier": "cve@mitre.org"}