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{
"id": "CVE-2014-8867",
"sourceIdentifier": "cve@mitre.org",
"published": "2014-12-01T15:59:09.780",
"lastModified": "2025-04-12T10:46:40.837",
"vulnStatus": "Deferred",
"cveTags": [],
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"lang": "en",
"value": "The acceleration support for the \"REP MOVS\" instruction in Xen 4.4.x, 3.2.x, and earlier lacks properly bounds checking for memory mapped I/O (MMIO) emulated in the hypervisor, which allows local HVM guests to cause a denial of service (host crash) via unspecified vectors."
},
{
"lang": "es",
"value": "El soporte de aceleraci\u00f3n para la instrucci\u00f3n 'REP MOVS' en Xen 4.4.x, 3.2.x, y anteriores falla en la comprobaci\u00f3n correcta de los l\u00edmites para entrada/salida del mapeado de memoria (memory mapped I/O, MMIO) emulado en el hipervisor, lo que permite a invitados HVM locales causar una denegaci\u00f3n de servicio (ca\u00edda del anfitri\u00f3n) a trav\u00e9s de vectores no especificados."
}
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"baseScore": 4.9,
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"accessVector": "LOCAL",
"accessComplexity": "LOW",
"authentication": "NONE",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "COMPLETE"
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},
"baseSeverity": "MEDIUM",
"exploitabilityScore": 3.9,
"impactScore": 6.9,
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