CVE-2015-7970

{"id": "CVE-2015-7970", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2015-10-30T15:59:06.967", "references": [{"url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html", "source": "cve@mitre.org"}, {"url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html", "source": "cve@mitre.org"}, {"url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html", "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-updates/2015-12/msg00053.html", "source": "cve@mitre.org"}, {"url": "http://support.citrix.com/article/CTX202404", "source": "cve@mitre.org"}, {"url": "http://www.debian.org/security/2015/dsa-3414", "source": "cve@mitre.org"}, {"url": "http://www.securityfocus.com/bid/77362", "source": "cve@mitre.org"}, {"url": "http://www.securitytracker.com/id/1034034", "source": "cve@mitre.org"}, {"url": "http://xenbits.xen.org/xsa/advisory-150.html", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://security.gentoo.org/glsa/201604-03", "source": "cve@mitre.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-399"}]}], "descriptions": [{"lang": "en", "value": "The p2m_pod_emergency_sweep function in arch/x86/mm/p2m-pod.c in Xen 3.4.x, 3.5.x, and 3.6.x is not preemptible, which allows local x86 HVM guest administrators to cause a denial of service (CPU consumption and possibly reboot) via crafted memory contents that triggers a \"time-consuming linear scan,\" related to Populate-on-Demand."}, {"lang": "es", "value": "La funci\u00f3n p2m_pod_emergency_sweep en arch/x86/mm/p2m-pod.c en Xen 3.4.x, 3.5,x y 3.6.x no es preferente, lo que permite a administradores invitados x86 HVM locales provocar una denegaci\u00f3n de servicio (consumo de CPU y posiblemente reinicio) a trav\u00e9s de contenidos de memoria manipulados que desencadena un 'time-consuming linear scan', relacionado con Populate-on-Demand."}], "lastModified": "2017-07-01T01:29:23.827", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:xen:xen:3.4.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7F7D1B7E-C30F-430F-832D-2A405DA1F2D9"}, {"criteria": "cpe:2.3:o:xen:xen:3.4.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B7C1D0AD-B804-474C-96A3-988BADA0DAD2"}, {"criteria": "cpe:2.3:o:xen:xen:3.4.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1DCD1F05-9F96-40DD-B506-750E87306325"}, {"criteria": "cpe:2.3:o:xen:xen:3.4.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "25B6AE42-E1EB-47A8-8FAF-7A93A67EC67F"}, {"criteria": "cpe:2.3:o:xen:xen:3.4.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "60BADA43-94D5-4E80-B5C8-D01A0249F13E"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}