{
  "threat_severity" : "Moderate",
  "public_date" : "2013-09-30T00:00:00Z",
  "bugzilla" : {
    "description" : "Kernel: Xen: Xsa-63: information leak via I/O instruction emulation",
    "id" : "1009598",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1009598"
  },
  "cvss" : {
    "cvss_base_score" : "2.3",
    "cvss_scoring_vector" : "AV:A/AC:M/Au:S/C:P/I:N/A:N",
    "status" : "verified"
  },
  "cwe" : "CWE-391->CWE-212->CWE-200",
  "details" : [ "Xen 4.3.x and earlier does not properly handle certain errors, which allows local HVM guests to obtain hypervisor stack memory via a (1) port or (2) memory mapped I/O write or (3) other unspecified operations related to addresses without associated memory." ],
  "statement" : "This issue does affect the version of the kernel-xen package as shipped with Red Hat Enterprise Linux 5.\nThis issue does not affect the versions of the Linux kernel as shipped with 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" : "2013-12-05T00:00:00Z",
    "advisory" : "RHSA-2013:1790",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5",
    "package" : "kernel-0:2.6.18-371.3.1.el5"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2013-4355\nhttps://nvd.nist.gov/vuln/detail/CVE-2013-4355" ],
  "name" : "CVE-2013-4355",
  "csaw" : false
}