CVE-2023-36476

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

calamares-nixos-extensions provides Calamares branding and modules for NixOS, a distribution of GNU/Linux. Users of calamares-nixos-extensions version 0.3.12 and prior who installed NixOS through the graphical calamares installer, with an unencrypted `/boot`, on either non-UEFI systems or with a LUKS partition different from `/` have their LUKS key file in `/boot` as a plaintext CPIO archive attached to their NixOS initrd. A patch is available and anticipated to be part of version 0.3.13 to backport to NixOS 22.11, 23.05, and unstable channels. Expert users who have a copy of their data may, as a workaround, re-encrypt the LUKS partition(s) themselves.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-200 CWE-522

Affected software

Vendor	Product	Versions
NixOS	calamares-nixos-extensions	<= 0.3.12

References

https://github.com/NixOS/calamares-nixos-extensions/security/advisories/GHSA-3rvf-24q2-24wwMitigation, Vendor Advisory
https://github.com/osresearch/heads/issues/1348Exploit, Issue Tracking
https://github.com/vlinkz/calamares-nixos-extensions/commit/837ca4da5521a74d3b5ca6f7b88890a6713faa22Patch
https://github.com/NixOS/calamares-nixos-extensions/security/advisories/GHSA-3rvf-24q2-24wwMitigation, Vendor Advisory
https://github.com/osresearch/heads/issues/1348Exploit, Issue Tracking
https://github.com/vlinkz/calamares-nixos-extensions/commit/837ca4da5521a74d3b5ca6f7b88890a6713faa22Patch

Timeline

Published: Jun 29, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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