{
  "schema_version": "1.4.0",
  "id": "GHSA-g669-vf33-57jw",
  "modified": "2022-05-14T02:00:01Z",
  "published": "2022-05-14T02:00:01Z",
  "aliases": [
    "CVE-2018-7540"
  ],
  "details": "An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service (host OS CPU hang) via non-preemptable L3/L4 pagetable freeing.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H"
    }
  ],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-7540"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2018/03/msg00003.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2018/11/msg00013.html"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/201810-06"
    },
    {
      "type": "WEB",
      "url": "https://support.citrix.com/article/CTX232096"
    },
    {
      "type": "WEB",
      "url": "https://support.citrix.com/article/CTX232655"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2018/dsa-4131"
    },
    {
      "type": "WEB",
      "url": "https://xenbits.xen.org/xsa/advisory-252.html"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/103174"
    },
    {
      "type": "WEB",
      "url": "http://www.securitytracker.com/id/1040773"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-400"
    ],
    "severity": "MODERATE",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-02-27T19:29:00Z"
  }
}