vulnerability
Red Hat: CVE-2021-4122: CVE-2021-4122 cryptsetup: disable encryption via header rewrite (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 6 | (AV:L/AC:M/Au:N/C:C/I:C/A:N) | Feb 1, 2022 | Feb 2, 2022 | Aug 11, 2025 |
Severity
6
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:N)
Published
Feb 1, 2022
Added
Feb 2, 2022
Modified
Aug 11, 2025
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.
Solution(s)
redhat-upgrade-cryptsetupredhat-upgrade-cryptsetup-debuginforedhat-upgrade-cryptsetup-debugsourceredhat-upgrade-cryptsetup-develredhat-upgrade-cryptsetup-libsredhat-upgrade-cryptsetup-libs-debuginforedhat-upgrade-cryptsetup-reencryptredhat-upgrade-cryptsetup-reencrypt-debuginforedhat-upgrade-integritysetupredhat-upgrade-integritysetup-debuginforedhat-upgrade-veritysetupredhat-upgrade-veritysetup-debuginfo
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