# CVE-2021-4122: cryptsetup: The cryptsetup packages provide a utility for setting up disk encryption using the dm-crypt kernel module. Security... 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. - Web page: https://patchblox.com/security/cve/CVE-2021-4122 - Priority: Routine - CVSS: 5.9 (Moderate) - EPSS: 0.0032 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Jan 12, 2022 ## Description The cryptsetup packages provide a utility for setting up disk encryption using the dm-crypt kernel module. Security Fix(es): * cryptsetup: disable encryption via header rewrite (CVE-2021-4122) For 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. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | cryptsetup Debian 11.6 (bullseye) | 2:2.3.7-1+deb11u1 | [DSA-5070-1](https://patchblox.com/security/data/fix/linux/dsa-5070-1.md) | Feb 10, 2022 | | Linux | cryptsetup Debian 12.15 (bookworm) | 2:2.4.3-1 | [DEBIAN-CVE-2021-4122](https://patchblox.com/security/data/fix/linux/debian-cve-2021-4122.md) | Aug 24, 2022 | | Linux | cryptsetup Debian 13.5 (trixie) | 2:2.4.3-1 | [DEBIAN-CVE-2021-4122](https://patchblox.com/security/data/fix/linux/debian-cve-2021-4122.md) | Aug 24, 2022 | | Linux | cryptsetup Debian 14 | 2:2.4.3-1 | [DEBIAN-CVE-2021-4122](https://patchblox.com/security/data/fix/linux/debian-cve-2021-4122.md) | Aug 24, 2022 | | Linux | cryptsetup RHEL 8 | 0:2.3.3-4.el8_5.1 | [RHSA-2022:0370](https://patchblox.com/security/data/fix/linux/rhsa-2022-0370.md) | Feb 1, 2022 | | Linux | cryptsetup Ubuntu 20.04 LTS (focal) | 2:2.2.2-3ubuntu2.4 | [cryptsetup 2:2.2.2-3ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-cryptsetup-2-2.2.2-3ubuntu2.4.md) | Jan 12, 2022 | | Linux | cryptsetup Ubuntu 22.04.1 LTS (jammy) | 2:2.4.3-1ubuntu1 | [cryptsetup 2:2.4.3-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-cryptsetup-2-2.4.3-1ubuntu1.md) | Jan 12, 2022 | | Linux | cryptsetup ol 8 | 0:2.3.3-4.el8_5.1 | [ELSA-2022-0370](https://patchblox.com/security/data/fix/linux/elsa-2022-0370.md) | Feb 2, 2022 | | Linux | cryptsetup rocky 8 | 0:2.3.3-4.el8_5.1 | [RLSA-2022:0370](https://patchblox.com/security/data/fix/linux/rlsa-2022-0370.md) | Feb 1, 2022 | | Linux | cryptsetup-bin Ubuntu 20.04 LTS (focal) | 2:2.2.2-3ubuntu2.4 | [cryptsetup-bin 2:2.2.2-3ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-cryptsetup-bin-2-2.2.2-3ubuntu2.4.md) | Jan 12, 2022 | | Linux | cryptsetup-bin Ubuntu 22.04.1 LTS (jammy) | 2:2.4.3-1ubuntu1 | [cryptsetup-bin 2:2.4.3-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-cryptsetup-bin-2-2.4.3-1ubuntu1.md) | Jan 12, 2022 | | Linux | cryptsetup-devel RHEL 8 | 0:2.3.3-4.el8_5.1 | [RHSA-2022:0370](https://patchblox.com/security/data/fix/linux/rhsa-2022-0370.md) | Feb 1, 2022 | | Linux | cryptsetup-devel almalinux 8 | 2.3.3-4.el8_5.1 | [ALSA-2022:0370](https://patchblox.com/security/data/fix/linux/alsa-2022-0370.md) | Feb 1, 2022 | | Linux | cryptsetup-devel ol 8 | 0:2.3.3-4.el8_5.1 | [ELSA-2022-0370](https://patchblox.com/security/data/fix/linux/elsa-2022-0370.md) | Feb 2, 2022 | | Linux | cryptsetup-initramfs Ubuntu 20.04 LTS (focal) | 2:2.2.2-3ubuntu2.4 | [cryptsetup-initramfs 2:2.2.2-3ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-cryptsetup-initramfs-2-2.2.2-3ubuntu2.4.md) | Jan 12, 2022 | | Linux | cryptsetup-initramfs Ubuntu 22.04.1 LTS (jammy) | 2:2.4.3-1ubuntu1 | [cryptsetup-initramfs 2:2.4.3-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-cryptsetup-initramfs-2-2.4.3-1ubuntu1.md) | Jan 12, 2022 | | Linux | cryptsetup-libs RHEL 8 | 0:2.3.3-4.el8_5.1 | [RHSA-2022:0370](https://patchblox.com/security/data/fix/linux/rhsa-2022-0370.md) | Feb 1, 2022 | | Linux | cryptsetup-libs ol 8 | 0:2.3.3-4.el8_5.1 | [ELSA-2022-0370](https://patchblox.com/security/data/fix/linux/elsa-2022-0370.md) | Feb 2, 2022 | | Linux | cryptsetup-reencrypt RHEL 8 | 0:2.3.3-4.el8_5.1 | [RHSA-2022:0370](https://patchblox.com/security/data/fix/linux/rhsa-2022-0370.md) | Feb 1, 2022 | | Linux | cryptsetup-reencrypt ol 8 | 0:2.3.3-4.el8_5.1 | [ELSA-2022-0370](https://patchblox.com/security/data/fix/linux/elsa-2022-0370.md) | Feb 2, 2022 | | Linux | cryptsetup-run Ubuntu 20.04 LTS (focal) | 2:2.2.2-3ubuntu2.4 | [cryptsetup-run 2:2.2.2-3ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-cryptsetup-run-2-2.2.2-3ubuntu2.4.md) | Jan 12, 2022 | | Linux | cryptsetup-run Ubuntu 22.04.1 LTS (jammy) | 2:2.4.3-1ubuntu1 | [cryptsetup-run 2:2.4.3-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-cryptsetup-run-2-2.4.3-1ubuntu1.md) | Jan 12, 2022 | | Linux | cryptsetup-suspend Ubuntu 22.04.1 LTS (jammy) | 2:2.4.3-1ubuntu1 | [cryptsetup-suspend 2:2.4.3-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-cryptsetup-suspend-2-2.4.3-1ubuntu1.md) | Jan 12, 2022 | | Linux | integritysetup RHEL 8 | 0:2.3.3-4.el8_5.1 | [RHSA-2022:0370](https://patchblox.com/security/data/fix/linux/rhsa-2022-0370.md) | Feb 1, 2022 | | Linux | integritysetup ol 8 | 0:2.3.3-4.el8_5.1 | [ELSA-2022-0370](https://patchblox.com/security/data/fix/linux/elsa-2022-0370.md) | Feb 2, 2022 | | Linux | libcryptsetup12 Ubuntu 20.04 LTS (focal) | 2:2.2.2-3ubuntu2.4 | [libcryptsetup12 2:2.2.2-3ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libcryptsetup12-2-2.2.2-3ubuntu2.4.md) | Jan 12, 2022 | | Linux | libcryptsetup12 Ubuntu 22.04.1 LTS (jammy) | 2:2.4.3-1ubuntu1 | [libcryptsetup12 2:2.4.3-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libcryptsetup12-2-2.4.3-1ubuntu1.md) | Jan 12, 2022 | | Linux | veritysetup RHEL 8 | 0:2.3.3-4.el8_5.1 | [RHSA-2022:0370](https://patchblox.com/security/data/fix/linux/rhsa-2022-0370.md) | Feb 1, 2022 | | Linux | veritysetup ol 8 | 0:2.3.3-4.el8_5.1 | [ELSA-2022-0370](https://patchblox.com/security/data/fix/linux/elsa-2022-0370.md) | Feb 2, 2022 | --- Data as of 2026-11-08T13:06:02Z UTC. 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