{
  "threat_severity" : "Moderate",
  "public_date" : "2016-05-18T00:00:00Z",
  "bugzilla" : {
    "description" : "Kernel: kvm: vmx: incorrect state update leading to MSR access",
    "id" : "1337806",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1337806"
  },
  "cvss" : {
    "cvss_base_score" : "5.5",
    "cvss_scoring_vector" : "AV:A/AC:H/Au:S/C:P/I:P/A:C",
    "status" : "draft"
  },
  "cwe" : "CWE-284",
  "details" : [ "arch/x86/kvm/vmx.c in the Linux kernel through 4.6.3 mishandles the APICv on/off state, which allows guest OS users to obtain direct APIC MSR access on the host OS, and consequently cause a denial of service (host OS crash) or possibly execute arbitrary code on the host OS, via x2APIC mode." ],
  "statement" : "This issue does not affect the versions of the kernel package as shipped with\nRed Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2.",
  "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 Linux 6",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "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-2016-4440\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-4440" ],
  "name" : "CVE-2016-4440",
  "csaw" : false
}