{
  "threat_severity" : "Moderate",
  "public_date" : "2011-08-30T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: xen: x86_emulate: fix SAHF emulation",
    "id" : "718882",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=718882"
  },
  "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 in the Linux kernel, when running a guest on a host without hardware assisted paging (HAP), allows guest users to cause a denial of service (invalid pointer dereference and hypervisor crash) via the SAHF instruction." ],
  "statement" : "This issue only affects Red Hat Enterprise Linux 5. The versions of the Linux\nkernel-xen as shipped with Red Hat Enterprise Linux 4, 6, and Red Hat Enterprise MRG are not affected. This has been addressed in Red Hat Enterprise Linux 5 via https://rhn.redhat.com/errata/RHSA-2011-1212.html.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "release_date" : "2011-09-06T00:00:00Z",
    "advisory" : "RHSA-2011:1212",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5",
    "package" : "kernel-0:2.6.18-274.3.1.el5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 5.6 EUS - Server Only",
    "release_date" : "2011-12-13T00:00:00Z",
    "advisory" : "RHSA-2011:1813",
    "cpe" : "cpe:/o:redhat:rhel_eus:5.6",
    "package" : "kernel-0:2.6.18-238.31.1.el5"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 4",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Affected",
    "package_name" : "kernel-xen",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "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-2011-2519\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-2519" ],
  "name" : "CVE-2011-2519",
  "csaw" : false
}