{
  "cveId": "CVE-2021-4122",
  "url": "https://patchblox.com/security/cve/CVE-2021-4122",
  "summary": "CVE-2021-4122 is fixed in 11 products on 1 platform, first by cryptsetup 2:2.2.2-3ubuntu2.4, released January 12, 2022. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "cryptsetup: The cryptsetup packages provide a utility for setting up disk encryption using the dm-crypt kernel module.\n\nSecurity...",
  "description": "The cryptsetup packages provide a utility for setting up disk encryption using the dm-crypt kernel module.\n\nSecurity Fix(es):\n\n* cryptsetup: disable encryption via header rewrite (CVE-2021-4122)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "published": "2022-01-12T16:00:00Z",
  "severity": "Moderate",
  "cvss": 5.9,
  "cvssVector": "CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
  "epss": 0.00319,
  "epssPercentile": 0.25062,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "cryptsetup",
      "release": "Debian 11.6 (bullseye)",
      "fixedVersion": "2:2.3.7-1\u002Bdeb11u1",
      "fix": "DSA-5070-1",
      "url": "https://patchblox.com/security/fix/linux/dsa-5070-1",
      "released": "2022-02-10T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cryptsetup",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "2:2.4.3-1",
      "fix": "DEBIAN-CVE-2021-4122",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-4122",
      "released": "2022-08-24T16:15:09Z"
    },
    {
      "platform": "linux",
      "product": "cryptsetup",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "2:2.4.3-1",
      "fix": "DEBIAN-CVE-2021-4122",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-4122",
      "released": "2022-08-24T16:15:09Z"
    },
    {
      "platform": "linux",
      "product": "cryptsetup",
      "release": "Debian 14",
      "fixedVersion": "2:2.4.3-1",
      "fix": "DEBIAN-CVE-2021-4122",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-4122",
      "released": "2022-08-24T16:15:09Z"
    },
    {
      "platform": "linux",
      "product": "cryptsetup",
      "release": "RHEL 8",
      "fixedVersion": "0:2.3.3-4.el8_5.1",
      "fix": "RHSA-2022:0370",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-0370",
      "released": "2022-02-01T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cryptsetup",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:2.2.2-3ubuntu2.4",
      "fix": "cryptsetup 2:2.2.2-3ubuntu2.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-cryptsetup-2-2.2.2-3ubuntu2.4",
      "released": "2022-01-12T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cryptsetup",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2:2.4.3-1ubuntu1",
      "fix": "cryptsetup 2:2.4.3-1ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-cryptsetup-2-2.4.3-1ubuntu1",
      "released": "2022-01-12T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cryptsetup",
      "release": "ol 8",
      "fixedVersion": "0:2.3.3-4.el8_5.1",
      "fix": "ELSA-2022-0370",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-0370",
      "released": "2022-02-02T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cryptsetup",
      "release": "rocky 8",
      "fixedVersion": "0:2.3.3-4.el8_5.1",
      "fix": "RLSA-2022:0370",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2022-0370",
      "released": "2022-02-01T20:13:30Z"
    },
    {
      "platform": "linux",
      "product": "cryptsetup-bin",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:2.2.2-3ubuntu2.4",
      "fix": "cryptsetup-bin 2:2.2.2-3ubuntu2.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-cryptsetup-bin-2-2.2.2-3ubuntu2.4",
      "released": "2022-01-12T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cryptsetup-bin",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2:2.4.3-1ubuntu1",
      "fix": "cryptsetup-bin 2:2.4.3-1ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-cryptsetup-bin-2-2.4.3-1ubuntu1",
      "released": "2022-01-12T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cryptsetup-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:2.3.3-4.el8_5.1",
      "fix": "RHSA-2022:0370",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-0370",
      "released": "2022-02-01T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cryptsetup-devel",
      "release": "almalinux 8",
      "fixedVersion": "2.3.3-4.el8_5.1",
      "fix": "ALSA-2022:0370",
      "url": "https://patchblox.com/security/fix/linux/alsa-2022-0370",
      "released": "2022-02-01T20:13:30Z"
    },
    {
      "platform": "linux",
      "product": "cryptsetup-devel",
      "release": "ol 8",
      "fixedVersion": "0:2.3.3-4.el8_5.1",
      "fix": "ELSA-2022-0370",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-0370",
      "released": "2022-02-02T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cryptsetup-initramfs",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:2.2.2-3ubuntu2.4",
      "fix": "cryptsetup-initramfs 2:2.2.2-3ubuntu2.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-cryptsetup-initramfs-2-2.2.2-3ubuntu2.4",
      "released": "2022-01-12T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cryptsetup-initramfs",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2:2.4.3-1ubuntu1",
      "fix": "cryptsetup-initramfs 2:2.4.3-1ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-cryptsetup-initramfs-2-2.4.3-1ubuntu1",
      "released": "2022-01-12T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cryptsetup-libs",
      "release": "RHEL 8",
      "fixedVersion": "0:2.3.3-4.el8_5.1",
      "fix": "RHSA-2022:0370",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-0370",
      "released": "2022-02-01T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cryptsetup-libs",
      "release": "ol 8",
      "fixedVersion": "0:2.3.3-4.el8_5.1",
      "fix": "ELSA-2022-0370",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-0370",
      "released": "2022-02-02T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cryptsetup-reencrypt",
      "release": "RHEL 8",
      "fixedVersion": "0:2.3.3-4.el8_5.1",
      "fix": "RHSA-2022:0370",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-0370",
      "released": "2022-02-01T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cryptsetup-reencrypt",
      "release": "ol 8",
      "fixedVersion": "0:2.3.3-4.el8_5.1",
      "fix": "ELSA-2022-0370",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-0370",
      "released": "2022-02-02T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cryptsetup-run",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:2.2.2-3ubuntu2.4",
      "fix": "cryptsetup-run 2:2.2.2-3ubuntu2.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-cryptsetup-run-2-2.2.2-3ubuntu2.4",
      "released": "2022-01-12T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cryptsetup-run",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2:2.4.3-1ubuntu1",
      "fix": "cryptsetup-run 2:2.4.3-1ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-cryptsetup-run-2-2.4.3-1ubuntu1",
      "released": "2022-01-12T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cryptsetup-suspend",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2:2.4.3-1ubuntu1",
      "fix": "cryptsetup-suspend 2:2.4.3-1ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-cryptsetup-suspend-2-2.4.3-1ubuntu1",
      "released": "2022-01-12T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "integritysetup",
      "release": "RHEL 8",
      "fixedVersion": "0:2.3.3-4.el8_5.1",
      "fix": "RHSA-2022:0370",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-0370",
      "released": "2022-02-01T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "integritysetup",
      "release": "ol 8",
      "fixedVersion": "0:2.3.3-4.el8_5.1",
      "fix": "ELSA-2022-0370",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-0370",
      "released": "2022-02-02T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libcryptsetup12",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:2.2.2-3ubuntu2.4",
      "fix": "libcryptsetup12 2:2.2.2-3ubuntu2.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libcryptsetup12-2-2.2.2-3ubuntu2.4",
      "released": "2022-01-12T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libcryptsetup12",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2:2.4.3-1ubuntu1",
      "fix": "libcryptsetup12 2:2.4.3-1ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libcryptsetup12-2-2.4.3-1ubuntu1",
      "released": "2022-01-12T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "veritysetup",
      "release": "RHEL 8",
      "fixedVersion": "0:2.3.3-4.el8_5.1",
      "fix": "RHSA-2022:0370",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-0370",
      "released": "2022-02-01T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "veritysetup",
      "release": "ol 8",
      "fixedVersion": "0:2.3.3-4.el8_5.1",
      "fix": "ELSA-2022-0370",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-0370",
      "released": "2022-02-02T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}