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{
"id" : "CVE-2015-4163" ,
"sourceIdentifier" : "cve@mitre.org" ,
"published" : "2015-06-15T15:59:12.413" ,
2024-11-23 01:05:45 +00:00
"lastModified" : "2024-11-21T02:30:32.970" ,
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"vulnStatus" : "Modified" ,
2024-12-08 03:06:42 +00:00
"cveTags" : [ ] ,
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"descriptions" : [
{
"lang" : "en" ,
"value" : "GNTTABOP_swap_grant_ref in Xen 4.2 through 4.5 does not check the grant table operation version, which allows local guest domains to cause a denial of service (NULL pointer dereference) via a hypercall without a GNTTABOP_setup_table or GNTTABOP_set_version."
} ,
{
"lang" : "es" ,
"value" : "GNTTABOP_swap_grant_ref en Xen 4.2 hasta 4.5 no comprueba la versi\u00f3n de la operaci\u00f3n de ceder tablas, lo que permite a dominios locales invitados causar una denegaci\u00f3n de servicio (referencia a puntero nulo) a trav\u00e9s de una hiperllamada sin GNTTABOP_setup_table o GNTTABOP_set_version."
}
] ,
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"vectorString" : "AV:L/AC:L/Au:N/C:N/I:N/A:C" ,
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"baseScore" : 4.9 ,
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"accessVector" : "LOCAL" ,
"accessComplexity" : "LOW" ,
"authentication" : "NONE" ,
"confidentialityImpact" : "NONE" ,
"integrityImpact" : "NONE" ,
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"availabilityImpact" : "COMPLETE"
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} ,
"baseSeverity" : "MEDIUM" ,
"exploitabilityScore" : 3.9 ,
"impactScore" : 6.9 ,
"acInsufInfo" : false ,
"obtainAllPrivilege" : false ,
"obtainUserPrivilege" : false ,
"obtainOtherPrivilege" : false ,
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"references" : [
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} ,
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} ,
{
"url" : "http://support.citrix.com/article/CTX201145" ,
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} ,
{
"url" : "http://www.debian.org/security/2015/dsa-3286" ,
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} ,
{
"url" : "http://www.securityfocus.com/bid/75141" ,
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} ,
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"url" : "http://www.securitytracker.com/id/1032568" ,
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} ,
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} ,
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}
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] ,
"evaluatorComment" : "<a href=\"http://cwe.mitre.org/data/definitions/476.html\">CWE-476: NULL Pointer Dereference</a>"
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}
