{
  "threat_severity" : "Moderate",
  "public_date" : "2011-08-12T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: xen: IOMMU fault livelock",
    "id" : "730341",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=730341"
  },
  "cvss" : {
    "cvss_base_score" : "5.2",
    "cvss_scoring_vector" : "AV:A/AC:M/Au:S/C:N/I:N/A:C",
    "status" : "verified"
  },
  "details" : [ "Xen 4.1.1 and earlier allows local guest OS kernels with control of a PCI[E] device to cause a denial of service (CPU consumption and host hang) via many crafted DMA requests that are denied by the IOMMU, which triggers a livelock." ],
  "statement" : "The versions of the Linux kernel as shipped with Red Hat Enterprise Linux 4, 6,\nand Red Hat Enterprise MRG are not affected. It has been addressed in Red Hat Enterprise Linux 5 via https://rhn.redhat.com/errata/RHSA-2011-1386.html.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "release_date" : "2011-10-20T00:00:00Z",
    "advisory" : "RHSA-2011:1386",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5",
    "package" : "kernel-0:2.6.18-274.7.1.el5"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2011-3131\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-3131" ],
  "name" : "CVE-2011-3131",
  "csaw" : false
}