2025-04-12 12:06:01 +00:00

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{
"id": "CVE-2014-8480",
"sourceIdentifier": "cve@mitre.org",
"published": "2014-11-10T11:55:09.720",
"lastModified": "2025-04-12T10:46:40.837",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The instruction decoder in arch/x86/kvm/emulate.c in the KVM subsystem in the Linux kernel before 3.18-rc2 lacks intended decoder-table flags for certain RIP-relative instructions, which allows guest OS users to cause a denial of service (NULL pointer dereference and host OS crash) via a crafted application."
},
{
"lang": "es",
"value": "El decodificador de instrucciones en arch/x86/kvm/emulate.c en el subsistema KVM en el kernel de Linux anterior a 3.18-rc2 le falta indicadores de las tablas del decodificador para ciertas instrucciones relacionados con RIP, lo que permite a usuarios del sistema operativo invitado causar una denegaci\u00f3n de servicio (referencia a puntero nulo y ca\u00edda del sistema operativo anfitri\u00f3n) a trav\u00e9s de una aplicaci\u00f3n manipulada."
}
],
"metrics": {
"cvssMetricV2": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "2.0",
"vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
"baseScore": 4.9,
"accessVector": "LOCAL",
"accessComplexity": "LOW",
"authentication": "NONE",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "COMPLETE"
},
"baseSeverity": "MEDIUM",
"exploitabilityScore": 3.9,
"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-399"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:rc1:*:*:*:*:*:*",
"versionEndIncluding": "3.18",
"matchCriteriaId": "1892B391-62DB-4D08-9E2F-049AAA4840AD"
}
]
}
]
}
],
"references": [
{
"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3f6f1480d86bf9fc16c160d803ab1d006e3058d5",
"source": "cve@mitre.org"
},
{
"url": "http://thread.gmane.org/gmane.comp.emulators.kvm.devel/128427",
"source": "cve@mitre.org"
},
{
"url": "http://www.openwall.com/lists/oss-security/2014/10/23/7",
"source": "cve@mitre.org",
"tags": [
"Exploit"
]
},
{
"url": "http://www.securityfocus.com/bid/70710",
"source": "cve@mitre.org"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1156615",
"source": "cve@mitre.org"
},
{
"url": "https://github.com/torvalds/linux/commit/3f6f1480d86bf9fc16c160d803ab1d006e3058d5",
"source": "cve@mitre.org",
"tags": [
"Exploit"
]
},
{
"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3f6f1480d86bf9fc16c160d803ab1d006e3058d5",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://thread.gmane.org/gmane.comp.emulators.kvm.devel/128427",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.openwall.com/lists/oss-security/2014/10/23/7",
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit"
]
},
{
"url": "http://www.securityfocus.com/bid/70710",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1156615",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://github.com/torvalds/linux/commit/3f6f1480d86bf9fc16c160d803ab1d006e3058d5",
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit"
]
}
]
}