{
  "cveId": "CVE-2021-47403",
  "url": "https://patchblox.com/security/cve/CVE-2021-47403",
  "summary": "CVE-2021-47403 is fixed in linux on 1 platform, first by DEBIAN-CVE-2021-47403, released May 21, 2024. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  ipack: ipoctal: fix module reference leak  A ref...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  ipack: ipoctal: fix module reference leak  A reference to the carrier module was taken on every open but was only released once when the final reference to the tty struct was dropped.  Fix this by taking the module reference and initialising the tty driver data when installing the tty.",
  "published": "2024-05-21T15:15:25Z",
  "severity": "high",
  "cvss": 7.1,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
  "epss": 0.00249,
  "epssPercentile": 0.16274,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "5.14.12-1",
      "fix": "DEBIAN-CVE-2021-47403",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-47403",
      "released": "2024-05-21T15:15:25Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.14.12-1",
      "fix": "DEBIAN-CVE-2021-47403",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-47403",
      "released": "2024-05-21T15:15:25Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "5.14.12-1",
      "fix": "DEBIAN-CVE-2021-47403",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-47403",
      "released": "2024-05-21T15:15:25Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}