{
   "CVE_data_meta" : {
      "ASSIGNER" : "cve@mitre.org",
      "ID" : "CVE-2012-2121",
      "STATE" : "PUBLIC"
   },
   "affects" : {
      "vendor" : {
         "vendor_data" : [
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                  "product_data" : [
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                        "version" : {
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                                 "version_value" : "n/a"
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               "vendor_name" : "n/a"
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   "data_format" : "MITRE",
   "data_type" : "CVE",
   "data_version" : "4.0",
   "description" : {
      "description_data" : [
         {
            "lang" : "eng",
            "value" : "The KVM implementation in the Linux kernel before 3.3.4 does not properly manage the relationships between memory slots and the iommu, which allows guest OS users to cause a denial of service (memory leak and host OS crash) by leveraging administrative access to the guest OS to conduct hotunplug and hotplug operations on devices."
         }
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                  "lang" : "eng",
                  "value" : "n/a"
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   "references" : {
      "reference_data" : [
         {
            "name" : "[oss-security] 20120419 Re: CVE request -- kernel: kvm: device assignment page leak",
            "refsource" : "MLIST",
            "url" : "http://www.openwall.com/lists/oss-security/2012/04/19/16"
         },
         {
            "name" : "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.4",
            "refsource" : "CONFIRM",
            "url" : "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.4"
         },
         {
            "name" : "https://bugzilla.redhat.com/show_bug.cgi?id=814149",
            "refsource" : "CONFIRM",
            "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=814149"
         },
         {
            "name" : "https://github.com/torvalds/linux/commit/09ca8e1173bcb12e2a449698c9ae3b86a8a10195",
            "refsource" : "CONFIRM",
            "url" : "https://github.com/torvalds/linux/commit/09ca8e1173bcb12e2a449698c9ae3b86a8a10195"
         },
         {
            "name" : "RHSA-2012:0743",
            "refsource" : "REDHAT",
            "url" : "http://rhn.redhat.com/errata/RHSA-2012-0743.html"
         },
         {
            "name" : "RHSA-2012:0676",
            "refsource" : "REDHAT",
            "url" : "http://rhn.redhat.com/errata/RHSA-2012-0676.html"
         },
         {
            "name" : "USN-1577-1",
            "refsource" : "UBUNTU",
            "url" : "http://www.ubuntu.com/usn/USN-1577-1"
         },
         {
            "name" : "USN-2036-1",
            "refsource" : "UBUNTU",
            "url" : "http://www.ubuntu.com/usn/USN-2036-1"
         },
         {
            "name" : "USN-2037-1",
            "refsource" : "UBUNTU",
            "url" : "http://www.ubuntu.com/usn/USN-2037-1"
         },
         {
            "name" : "1027083",
            "refsource" : "SECTRACK",
            "url" : "http://www.securitytracker.com/id?1027083"
         },
         {
            "name" : "50732",
            "refsource" : "SECUNIA",
            "url" : "http://secunia.com/advisories/50732"
         }
      ]
   }
}