{
  "threat_severity" : "Moderate",
  "public_date" : "2012-12-03T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: xen: Several memory hypercall operations allow invalid extent order values",
    "id" : "877397",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=877397"
  },
  "cvss" : {
    "cvss_base_score" : "5.5",
    "cvss_scoring_vector" : "AV:A/AC:L/Au:S/C:N/I:N/A:C",
    "status" : "verified"
  },
  "details" : [ "The (1) XENMEM_decrease_reservation, (2) XENMEM_populate_physmap, and (3) XENMEM_exchange hypercalls in Xen 4.2 and earlier allow local guest administrators to cause a denial of service (long loop and hang) via a crafted extent_order value." ],
  "statement" : "This issue did 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.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "release_date" : "2013-01-22T00:00:00Z",
    "advisory" : "RHSA-2013:0168",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5",
    "package" : "kernel-0:2.6.18-348.1.1.el5"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux Extended Update Support 5.9",
    "fix_state" : "Affected",
    "package_name" : "kernel-xen",
    "cpe" : "cpe:/o:redhat:rhel_eus:5.9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2012-5515\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-5515" ],
  "name" : "CVE-2012-5515",
  "csaw" : false
}