{
   "CVE_data_meta" : {
      "ASSIGNER" : "cve@mitre.org",
      "ID" : "CVE-2017-8905",
      "STATE" : "PUBLIC"
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   "affects" : {
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         "vendor_data" : [
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   "data_format" : "MITRE",
   "data_type" : "CVE",
   "data_version" : "4.0",
   "description" : {
      "description_data" : [
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            "lang" : "eng",
            "value" : "Xen through 4.6.x on 64-bit platforms mishandles a failsafe callback, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-215."
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   "references" : {
      "reference_data" : [
         {
            "name" : "https://blog.xenproject.org/2017/05/02/updates-on-xsa-213-xsa-214-and-xsa-215/",
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            "url" : "https://blog.xenproject.org/2017/05/02/updates-on-xsa-213-xsa-214-and-xsa-215/"
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            "refsource" : "CONFIRM",
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         {
            "name" : "98436",
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            "url" : "http://www.securityfocus.com/bid/98436"
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         {
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