{
  "threat_severity" : "Important",
  "public_date" : "2013-02-13T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: xen: userspace alterable %ds access in xen_iret()",
    "id" : "906309",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=906309"
  },
  "cvss" : {
    "cvss_base_score" : "6.2",
    "cvss_scoring_vector" : "AV:L/AC:H/Au:N/C:C/I:C/A:C",
    "status" : "verified"
  },
  "details" : [ "The xen_iret function in arch/x86/xen/xen-asm_32.S in the Linux kernel before 3.7.9 on 32-bit Xen paravirt_ops platforms does not properly handle an invalid value in the DS segment register, which allows guest OS users to gain guest OS privileges via a crafted application." ],
  "statement" : "This issue did affect the versions of the kernel package as shipped with Red Hat Enterprise Linux 6.\nThis issue did not affect Red Hat Enterprise Linux 5 and Red Hat Enterprise MRG 2.",
  "acknowledgement" : "This issue was discovered by Andrew Jones (Red Hat).",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "release_date" : "2013-03-12T00:00:00Z",
    "advisory" : "RHSA-2013:0630",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6",
    "package" : "kernel-0:2.6.32-358.2.1.el6"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  }, {
    "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-2013-0228\nhttps://nvd.nist.gov/vuln/detail/CVE-2013-0228" ],
  "name" : "CVE-2013-0228",
  "csaw" : false
}