{
  "threat_severity" : "Important",
  "public_date" : "2018-11-20T12:00:00Z",
  "bugzilla" : {
    "description" : "xen: x86: DoS from attempting to use INVPCID with a non-canonical addresses",
    "id" : "1647588",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1647588"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.9",
    "cvss3_scoring_vector" : "CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H",
    "status" : "draft"
  },
  "cwe" : "CWE-228",
  "details" : [ "An issue was discovered in Xen through 4.11.x allowing 64-bit PV guest OS users to cause a denial of service (host OS crash) because #GP[0] can occur after a non-canonical address is passed to the TLB flushing code. NOTE: this issue exists because of an incorrect CVE-2017-5754 (aka Meltdown) mitigation." ],
  "acknowledgement" : "Red Hat would like to thank the Xen project for reporting this issue.",
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Not affected",
    "package_name" : "kernel-xen",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2018-19965\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-19965" ],
  "name" : "CVE-2018-19965",
  "csaw" : false
}