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.
No analysis available yet.
Remediation
No remediation available yet.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
Debian DSA |
DSA-5070-1 | cryptsetup security update |
EUVD |
EUVD-2021-33997 | 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. |
Ubuntu USN |
USN-5286-1 | cryptsetup vulnerability |
References
History
Wed, 14 Oct 2026 11:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
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Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-10-14T10:04:04.609Z
Reserved: 2021-12-15T00:00:00.000Z
Link: CVE-2021-4122
No data.
Status : Modified
Published: 2022-08-24T16:15:09.427
Modified: 2026-10-14T11:16:54.753
Link: CVE-2021-4122
OpenCVE Enrichment
No data.
Debian DSA
EUVD
Ubuntu USN