{
  "schema_version": "1.4.0",
  "id": "GHSA-vq4v-m97r-fvvc",
  "modified": "2022-05-14T02:05:35Z",
  "published": "2022-05-14T02:05:35Z",
  "aliases": [
    "CVE-2014-8594"
  ],
  "details": "The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP).",
  "severity": [],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2014-8594"
    },
    {
      "type": "WEB",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/98767"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/201504-04"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html"
    },
    {
      "type": "WEB",
      "url": "http://secunia.com/advisories/62672"
    },
    {
      "type": "WEB",
      "url": "http://www.debian.org/security/2015/dsa-3140"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/71149"
    },
    {
      "type": "WEB",
      "url": "http://xenbits.xen.org/xsa/advisory-109.html"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20"
    ],
    "severity": "MODERATE",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2014-11-19T18:59:00Z"
  }
}