{ "id": "CVE-2011-2519", "sourceIdentifier": "secalert@redhat.com", "published": "2013-12-27T01:55:05.190", "lastModified": "2020-12-08T15:25:29.097", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "Xen in the Linux kernel, when running a guest on a host without hardware assisted paging (HAP), allows guest users to cause a denial of service (invalid pointer dereference and hypervisor crash) via the SAHF instruction." }, { "lang": "es", "value": "Xen en el kernel de Linux, al ejecutar como invitado en una m\u00e1quina sin paginaci\u00f3n asistida por hardware (HAP), permite a usuarios invitados causar denegaci\u00f3n de servicio (referencia a puntero inv\u00e1lido y ca\u00edda del hipervisor) a trav\u00e9s de la instrucci\u00f3n SAHF." } ], "metrics": { "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:A/AC:L/Au:S/C:N/I:N/A:C", "accessVector": "ADJACENT_NETWORK", "accessComplexity": "LOW", "authentication": "SINGLE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 5.5 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 5.1, "impactScore": 6.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-476" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*", "versionEndExcluding": "3.3.0", "matchCriteriaId": "0CDC1DBC-974B-47F9-A109-8743B57BBBA3" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*", "matchCriteriaId": "133AAFA7-AF42-4D7B-8822-AA2E85611BF5" }, { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*", "matchCriteriaId": "54D669D4-6D7E-449D-80C1-28FA44F06FFE" }, { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*", "matchCriteriaId": "D0AC5CD5-6E58-433C-9EB3-6DFE5656463E" } ] } ] } ], "references": [ { "url": "http://rhn.redhat.com/errata/RHSA-2011-1212.html", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "http://www.openwall.com/lists/oss-security/2011/08/30/1", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://xenbits.xen.org/hg/xen-3.1-testing.hg/rev/15644", "source": "secalert@redhat.com", "tags": [ "Patch", "Vendor Advisory" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=718882", "source": "secalert@redhat.com", "tags": [ "Issue Tracking", "Third Party Advisory" ] } ] }