CVE-2021-4122
Medium
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.
SeverityMedium
CVSS4.3
Exploit probability—
ProductCryptsetup
PublishedAug 24, 2022
First seenAug 24, 2022
Weakness typeCWE-345CWE-345
How to fix
Update
- cryptsetup_project cryptsetup2.3.7, 2.4.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cryptsetup_project cryptsetup | v < 2.3.7, 2.4.0 ≤ v < 2.4.3 | 2.3.7, 2.4.3 |
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