{
  "threat_severity" : "Moderate",
  "public_date" : "2012-03-29T00:00:00Z",
  "bugzilla" : {
    "description" : "kvm: device assignment page leak",
    "id" : "814149",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=814149"
  },
  "cvss" : {
    "cvss_base_score" : "4.7",
    "cvss_scoring_vector" : "AV:L/AC:M/Au:N/C:N/I:N/A:C",
    "status" : "verified"
  },
  "details" : [ "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." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "release_date" : "2012-05-21T00:00:00Z",
    "advisory" : "RHSA-2012:0676",
    "cpe" : "cpe:/a:redhat:rhel_virtualization:5",
    "package" : "kvm-0:83-249.el5_8.4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "release_date" : "2012-06-18T00:00:00Z",
    "advisory" : "RHSA-2012:0743",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6",
    "package" : "kernel-0:2.6.32-220.23.1.el6"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Affected",
    "package_name" : "kvm",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  }, {
    "product_name" : "Red Hat Enterprise Linux Extended Update Support 6.2",
    "fix_state" : "Affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:rhel_eus:6.2"
  }, {
    "product_name" : "Red Hat Enterprise MRG 2",
    "fix_state" : "Not affected",
    "package_name" : "realtime-kernel",
    "cpe" : "cpe:/a:redhat:enterprise_mrg:2"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2012-2121\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-2121" ],
  "name" : "CVE-2012-2121",
  "csaw" : false
}