{
  "schema_version": "1.4.0",
  "id": "GHSA-7xx2-fw34-h693",
  "modified": "2022-05-14T01:39:15Z",
  "published": "2022-05-14T01:39:15Z",
  "aliases": [
    "CVE-2018-18883"
  ],
  "details": "An issue was discovered in Xen 4.9.x through 4.11.x, on Intel x86 platforms, allowing x86 HVM and PVH guests to cause a host OS denial of service (NULL pointer dereference) or possibly have unspecified other impact because nested VT-x is not properly restricted.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"
    }
  ],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-18883"
    },
    {
      "type": "WEB",
      "url": "https://xenbits.xen.org/xsa/advisory-278.html"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/105817"
    },
    {
      "type": "WEB",
      "url": "http://www.securitytracker.com/id/1042021"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "severity": "HIGH",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-11-01T00:29:00Z"
  }
}