CVE-2021-4122
It was found that a specially crafted LUKS header could trick cryptsetup into disabling encryption during the recovery of the device.
Published Aug 24, 2022 · updated Oct 14, 2026 · cryptsetup project cryptsetup
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.
Timeline
Detection, updates, and resolution for this record.
Aug 24, 2022 · NIST NVD
Detected
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.
Oct 14, 2026 · NIST NVD
Updated
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.
Affected
- cpe cryptsetup project/cryptsetupversion unspecified
Sources
- CVE.orgCVE-2021-4122
Official CVE identifier
cve.org - NIST NVDCVE-2021-4122
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 encryptio
nvd.nist.gov