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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*", "matchCriteriaId": "D6B6F029-A6B9-46BD-BDC5-8CA1B2B2DB5B", "versionEndIncluding": "4.6.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Race condition in the relinquish_memory function in arch/arm/domain.c in Xen 4.6.x and earlier allows local domains with partial management control to cause a denial of service (host crash) via vectors involving the destruction of a domain and using XENMEM_decrease_reservation to reduce the memory of the domain."}, {"lang": "es", "value": "Condici\u00f3n de carrera en la funci\u00f3n relinquish_memory en arch/arm/domain.c en Xen 4.6.x y versiones anteriores permite a dominios locales con control parcial de la gesti\u00f3n provocar una denegaci\u00f3n de servicio (ca\u00edda del host) a trav\u00e9s de vectores relacionados con la destrucci\u00f3n de un dominio y utilizando XENMEM_decrease_reservation para reducir la memoria del dominio."}], "id": "CVE-2015-7814", "lastModified": "2026-05-06T22:30:45.220", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.7, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2015-10-30T15:59:03.717", "references": [{"source": "cve@mitre.org", "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://www.debian.org/security/2015/dsa-3414"}, {"source": "cve@mitre.org", "url": "http://www.securitytracker.com/id/1034030"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://xenbits.xen.org/xsa/advisory-147.html"}, {"source": "cve@mitre.org", "url": "https://security.gentoo.org/glsa/201604-03"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2015/dsa-3414"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id/1034030"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://xenbits.xen.org/xsa/advisory-147.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/201604-03"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}, {"lang": "en", "value": "CWE-362"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "xen: Race between domain destruction and memory allocation decrease on ARM", "id": "1271630", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1271630"}, "csaw": false, "cvss": {"cvss_base_score": "5.4", "cvss_scoring_vector": "AV:N/AC:H/Au:N/C:N/I:N/A:C", "status": "draft"}, "details": ["Race condition in the relinquish_memory function in arch/arm/domain.c in Xen 4.6.x and earlier allows local domains with partial management control to cause a denial of service (host crash) via vectors involving the destruction of a domain and using XENMEM_decrease_reservation to reduce the memory of the domain."], "mitigation": {"lang": "en:us", "value": "There is no known mitigation. Switching from disaggregated to a non-disaggregated operation does NOT mitigate these vulnerabilities. Rather, it simply recategorises the vulnerability to hostile management code, regarding it \"as designed\"; thus it merely reclassifies these issues as \"not a bug\". Users and vendors of disaggregated systems should not change their configuration."}, "name": "CVE-2015-7814", "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": "2015-10-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-7814\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-7814\nhttp://xenbits.xen.org/xsa/advisory-147.html"], "threat_severity": "Important"}

{}