2024-12-08 03:06:42 +00:00

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{
"id": "CVE-2017-2596",
"sourceIdentifier": "secalert@redhat.com",
"published": "2017-02-06T06:59:00.450",
"lastModified": "2024-11-21T03:23:47.887",
"vulnStatus": "Modified",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The nested_vmx_check_vmptr function in arch/x86/kvm/vmx.c in the Linux kernel through 4.9.8 improperly emulates the VMXON instruction, which allows KVM L1 guest OS users to cause a denial of service (host OS memory consumption) by leveraging the mishandling of page references."
},
{
"lang": "es",
"value": "La funci\u00f3n nested_vmx_check_vmptr en arch/x86/kvm/vmx.c en el kernel de Linux hasta la versi\u00f3n 4.9.8 emula indebidamente la instrucci\u00f3n VMXON, lo que permite a usuarios del SO invitado KVM L1 provocar una denegaci\u00f3n de servicio (consumo de memoria del SO anfitri\u00f3n) aprovechando el manejo incorrecto de referencia de p\u00e1ginas."
}
],
"metrics": {
"cvssMetricV30": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "3.0",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "CHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 2.0,
"impactScore": 4.0
}
],
"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-772"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndIncluding": "4.9.8",
"matchCriteriaId": "631307FC-F876-4F6F-9611-3DA04263A60E"
}
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}
],
"references": [
{
"url": "http://www.debian.org/security/2017/dsa-3791",
"source": "secalert@redhat.com"
},
{
"url": "http://www.openwall.com/lists/oss-security/2017/01/31/4",
"source": "secalert@redhat.com",
"tags": [
"Mailing List",
"Patch",
"Third Party Advisory"
]
},
{
"url": "http://www.securityfocus.com/bid/95878",
"source": "secalert@redhat.com",
"tags": [
"Third Party Advisory",
"VDB Entry"
]
},
{
"url": "https://access.redhat.com/errata/RHSA-2017:1842",
"source": "secalert@redhat.com"
},
{
"url": "https://access.redhat.com/errata/RHSA-2017:2077",
"source": "secalert@redhat.com"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1417812",
"source": "secalert@redhat.com",
"tags": [
"Issue Tracking",
"Patch"
]
},
{
"url": "http://www.debian.org/security/2017/dsa-3791",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.openwall.com/lists/oss-security/2017/01/31/4",
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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"Patch",
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]
},
{
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"tags": [
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"VDB Entry"
]
},
{
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"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://access.redhat.com/errata/RHSA-2017:2077",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1417812",
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking",
"Patch"
]
}
]
}