{
  "threat_severity" : "Moderate",
  "public_date" : "2013-01-22T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: xen: nested HVM host crash / OOM condition",
    "id" : "893144",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=893144"
  },
  "cvss" : {
    "cvss_base_score" : "5.5",
    "cvss_scoring_vector" : "AV:A/AC:L/Au:S/C:N/I:N/A:C",
    "status" : "draft"
  },
  "details" : [ "The do_hvm_op function in xen/arch/x86/hvm/hvm.c in Xen 4.2.x on the x86_32 platform does not prevent HVM_PARAM_NESTEDHVM (aka nested virtualization) operations, which allows guest OS users to cause a denial of service (long-duration page mappings and host OS crash) by leveraging administrative access to an HVM guest in a domain with a large number of VCPUs." ],
  "statement" : "Not vulnerable.\nThis issue did not affect the versions of the kernel-xen package as shipped with Red Hat Enterprise Linux 5.\nThis issue did not affect Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG as we did not have support for Xen hypervisor.",
  "acknowledgement" : "Red Hat would like to thank Xen project for reporting this issue.",
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Not affected",
    "package_name" : "kernel-xen",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2013-0151\nhttps://nvd.nist.gov/vuln/detail/CVE-2013-0151" ],
  "name" : "CVE-2013-0151",
  "csaw" : false
}