{
  "schema_version": "1.4.0",
  "id": "GHSA-83jc-959v-qgmc",
  "modified": "2022-05-01T07:40:49Z",
  "published": "2022-05-01T07:40:49Z",
  "aliases": [
    "CVE-2006-6730"
  ],
  "details": "OpenBSD and NetBSD permit usermode code to kill the display server and write to the X.Org /dev/xf86 device, which allows local users with root privileges to reduce securelevel by replacing the System Management Mode (SMM) handler via a write to an SMRAM address within /dev/xf86 (aka the video card memory-mapped I/O range), and then launching the new handler via a System Management Interrupt (SMI), as demonstrated by a write to Programmed I/O port 0xB2.",
  "severity": [],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2006-6730"
    },
    {
      "type": "WEB",
      "url": "http://lists.freedesktop.org/archives/xorg/2004-June/000927.html"
    },
    {
      "type": "WEB",
      "url": "http://www.cansecwest.com/slides06/csw06-duflot.ppt"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/archive/1/454379/100/0/threaded"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/archive/1/454510/100/0/threaded"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/archive/1/454706/100/0/threaded"
    },
    {
      "type": "WEB",
      "url": "http://www.ssi.gouv.fr/fr/sciences/fichiers/lti/cansecwest2006-duflot-paper.pdf"
    }
  ],
  "database_specific": {
    "cwe_ids": [],
    "severity": "MODERATE",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2006-12-26T23:28:00Z"
  }
}