{ "id": "CVE-2015-5166", "sourceIdentifier": "secalert@redhat.com", "published": "2015-08-12T14:59:25.247", "lastModified": "2024-11-21T02:32:29.130", "vulnStatus": "Modified", "descriptions": [ { "lang": "en", "value": "Use-after-free vulnerability in QEMU in Xen 4.5.x and earlier does not completely unplug emulated block devices, which allows local HVM guest users to gain privileges by unplugging a block device twice." }, { "lang": "es", "value": "Vulnerabilidad de uso despu\u00e9s de liberaci\u00f3n en la memoria en QEMU en Xen 4.5.x y versiones anteriores, no desconecta completamente los dispositivos de bloque emulados, lo que permite a usuarios invitados HVM locales obtener privilegios desconectando un dispositivo de bloque dos veces." } ], "metrics": { "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-264" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*", "matchCriteriaId": "56BDB5A0-0839-4A20-A003-B8CD56F48171" }, { "vulnerable": true, "criteria": "cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*", "matchCriteriaId": "253C303A-E577-4488-93E6-68A8DD942C38" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*", "versionEndIncluding": "4.5.0", "matchCriteriaId": "FE6592AF-775F-4B8A-8E33-57A1239852E3" }, { "vulnerable": true, "criteria": "cpe:2.3:o:xen:xen:4.5.1:*:*:*:*:*:*:*", "matchCriteriaId": "F0ED340C-6746-471E-9F2D-19D62D224B7A" } ] } ] } ], "references": [ { "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-September/165373.html", "source": "secalert@redhat.com" }, { "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167792.html", "source": "secalert@redhat.com" }, { "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167820.html", "source": "secalert@redhat.com" }, { "url": "http://www.securityfocus.com/bid/76152", "source": "secalert@redhat.com" }, { "url": "http://www.securitytracker.com/id/1033175", "source": "secalert@redhat.com" }, { "url": "http://xenbits.xen.org/xsa/advisory-139.html", "source": "secalert@redhat.com", "tags": [ "Patch", "Vendor Advisory" ] }, { "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-September/165373.html", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167792.html", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167820.html", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "http://www.securityfocus.com/bid/76152", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "http://www.securitytracker.com/id/1033175", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "http://xenbits.xen.org/xsa/advisory-139.html", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Vendor Advisory" ] } ] }