{
  "schema_version": "1.4.0",
  "id": "GHSA-w7v4-4295-6vg3",
  "modified": "2022-05-14T02:14:02Z",
  "published": "2022-05-14T02:14:02Z",
  "aliases": [
    "CVE-2016-1570"
  ],
  "details": "The PV superpage functionality in arch/x86/mm.c in Xen 3.4.0, 3.4.1, and 4.1.x through 4.6.x allows local PV guests to obtain sensitive information, cause a denial of service, gain privileges, or have unspecified other impact via a crafted page identifier (MFN) to the (1) MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in the HYPERVISOR_mmuext_op hypercall or (3) unknown vectors related to page table updates.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H"
    }
  ],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-1570"
    },
    {
      "type": "WEB",
      "url": "http://www.debian.org/security/2016/dsa-3519"
    },
    {
      "type": "WEB",
      "url": "http://www.securitytracker.com/id/1034744"
    },
    {
      "type": "WEB",
      "url": "http://xenbits.xen.org/xsa/advisory-167.html"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20"
    ],
    "severity": "HIGH",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2016-01-22T15:59:00Z"
  }
}