CVE-2016-2270
Estado: ModificadaMedia (6.8)—
Xen 4.6.x and earlier allows local guest administrators to cause a denial of service (host reboot) via vectors related to multiple mappings of MMIO pages with different cachability settings.
CVSS
- Versión: 3.0
- Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
- Puntuación base: 6.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.48%
- Percentil entre todas las CVEs puntuadas: 73
- Fecha de la puntuación: 5/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (4)
CWE
- CWE-20
Referencias
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177990.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178518.html
- http://www.debian.org/security/2016/dsa-3519
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.securitytracker.com/id/1035042
- http://xenbits.xen.org/xsa/advisory-154.html
- https://security.gentoo.org/glsa/201604-03
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177990.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178518.html
- http://www.debian.org/security/2016/dsa-3519
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.securitytracker.com/id/1035042
- http://xenbits.xen.org/xsa/advisory-154.html
- https://security.gentoo.org/glsa/201604-03
JSON original (NVD)
Mostrar
{
"id": "CVE-2016-2270",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 4.6,
"accessVector": "LOCAL",
"vectorString": "AV:L/AC:L/Au:S/C:N/I:N/A:C",
"authentication": "SINGLE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "COMPLETE",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 6.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 3.1,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV30": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "CHANGED",
"version": "3.0",
"baseScore": 6.8,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "HIGH",
"confidentialityImpact": "NONE"
},
"impactScore": 4,
"exploitabilityScore": 2.3
}
]
},
"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2016-02-19T16:59:00.193",
"references": [
{
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177990.html",
"tags": [
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178518.html",
"tags": [
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "http://www.debian.org/security/2016/dsa-3519",
"tags": [
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html",
"tags": [
"Vendor Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "http://www.securitytracker.com/id/1035042",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "cve@mitre.org"
},
{
"url": "http://xenbits.xen.org/xsa/advisory-154.html",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://security.gentoo.org/glsa/201604-03",
"source": "cve@mitre.org"
},
{
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177990.html",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178518.html",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.debian.org/security/2016/dsa-3519",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.securitytracker.com/id/1035042",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://xenbits.xen.org/xsa/advisory-154.html",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://security.gentoo.org/glsa/201604-03",
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-20"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Xen 4.6.x and earlier allows local guest administrators to cause a denial of service (host reboot) via vectors related to multiple mappings of MMIO pages with different cachability settings."
},
{
"lang": "es",
"value": "Xen 4.6.x y versiones anteriores permite a administradores invitados locales provocar una denegación de servicio (reinicio de host) a través de vectores relacionados con múltiples mapeos de páginas MMIO con diferentes ajustes de cacheado."
}
],
"lastModified": "2026-06-17T00:43:43.963",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA"
},
{
"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "253C303A-E577-4488-93E6-68A8DD942C38"
},
{
"criteria": "cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E79AB8DD-C907-4038-A931-1A5A4CFB6A5B"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "AF989165-3B7E-4743-8E97-6558BD164A8F",
"versionEndIncluding": "4.6.1"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:oracle:vm_server:3.4:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "4BA58099-26F7-4B01-B9FC-275F012FE9C6"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cve@mitre.org"
}