{
  "cveId": "CVE-2018-6558",
  "url": "https://patchblox.com/security/cve/CVE-2018-6558",
  "summary": "CVE-2018-6558 is fixed in 3 products on 1 platform, first by fscrypt 0.2.2-0ubuntu2.1, released August 23, 2018. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "fscrypt: The pam_fscrypt module in fscrypt before 0.2.4 may incorrectly restore primary and supplementary group IDs to the val...",
  "description": "The pam_fscrypt module in fscrypt before 0.2.4 may incorrectly restore primary and supplementary group IDs to the values associated with the root user, which allows attackers to gain privileges via a successful login through certain applications that use Linux-PAM (aka pam).",
  "published": "2018-08-23T10:00:00Z",
  "severity": "Medium",
  "epss": 0.00624,
  "epssPercentile": 0.50088,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "fscrypt",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "0.2.2-0ubuntu2.1",
      "fix": "fscrypt 0.2.2-0ubuntu2.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-fscrypt-0.2.2-0ubuntu2.1",
      "released": "2018-08-23T10:00:00Z"
    },
    {
      "platform": "linux",
      "product": "golang-github-google-fscrypt-dev",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "0.2.2-0ubuntu2.1",
      "fix": "golang-github-google-fscrypt-dev 0.2.2-0ubuntu2.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-golang-github-google-fscrypt-dev-0.2.2-0ubuntu2.1",
      "released": "2018-08-23T10:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libpam-fscrypt",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "0.2.2-0ubuntu2.1",
      "fix": "libpam-fscrypt 0.2.2-0ubuntu2.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libpam-fscrypt-0.2.2-0ubuntu2.1",
      "released": "2018-08-23T10:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T12:40:37Z"
}