CVE-2021-4122
- State
- Published
- Severity
- Not scored
- Published
- Aug 24, 2022
- Updated
- Oct 14, 2026
- Reserved
- Dec 15, 2021
Description
It was found that a specially crafted LUKS header could trick cryptsetup into disabling encryption during the recovery of the device. An attacker with physical access to the medium, such as a flash disk, could use this flaw to force a user into permanently disabling the encryption layer of that medium.
Scores
The record has no CVSS score.
Weaknesses
- CWE-345 Insufficient Verification of Data Authenticity
Affected Products
| Product | Versions |
|---|---|
cryptsetupn/a |
|
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2031859
- https://mirrors.edge.kernel.org/pub/linux/utils/cryptsetup/v2.4/v2.4.3-ReleaseNotes
- https://gitlab.com/cryptsetup/cryptsetup/-/commit/0113ac2d889c5322659ad0596d4cfc6da53e356c
- https://bugzilla.redhat.com/show_bug.cgi?id=2032401
- https://access.redhat.com/security/cve/CVE-2021-4122
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
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