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nvd-json-data-feeds/CVE-2014/CVE-2014-85xx/CVE-2014-8594.json
René Helmke 7791f18b51 bootstrap
2023-05-16 16:09:41 +02:00

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{
"id": "CVE-2014-8594",
"sourceIdentifier": "cve@mitre.org",
"published": "2014-11-19T18:59:10.533",
"lastModified": "2018-10-30T16:27:35.843",
"vulnStatus": "Modified",
"descriptions": [
{
"lang": "en",
"value": "The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP)."
},
{
"lang": "es",
"value": "La funci\u00f3n do_mmu_update en arch/x86/mm.c en Xen 4.x hasta la versi\u00f3n 4.4.x no restringe adecuadamente las actualizaciones a las tablas de p\u00e1gina s\u00f3lo para PV, lo que permite a invitados PV remotos provocar una denegaci\u00f3n de servicio (referencia a puntero NULL) aprovechando los servicios de emulaci\u00f3n de hardware para invitados HVM que utilizan Hardware Assisted Paging (HAP)."
}
],
"metrics": {
"cvssMetricV2": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "2.0",
"vectorString": "AV:N/AC:H/Au:N/C:N/I:N/A:C",
"accessVector": "NETWORK",
"accessComplexity": "HIGH",
"authentication": "NONE",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 5.4
},
"baseSeverity": "MEDIUM",
"exploitabilityScore": 4.9,
"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-20"
}
]
}
],
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"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
]
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"tags": [
"Third Party Advisory"
]
},
{
"url": "http://www.securityfocus.com/bid/71149",
"source": "cve@mitre.org"
},
{
"url": "http://xenbits.xen.org/xsa/advisory-109.html",
"source": "cve@mitre.org",
"tags": [
"Patch",
"Vendor Advisory"
]
},
{
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/98767",
"source": "cve@mitre.org"
},
{
"url": "https://security.gentoo.org/glsa/201504-04",
"source": "cve@mitre.org"
}
]
}
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