CVE-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 encryption layer of that medium.
| Software | From | Fixed in |
|---|---|---|
| cryptsetup_project / cryptsetup | 2.4.0 | 2.4.3 |
| cryptsetup_project / cryptsetup | - | 2.3.7 |
- https://access.redhat.com/security/cve/CVE-2021-4122
- https://bugzilla.redhat.com/show_bug.cgi?id=2031859
- https://bugzilla.redhat.com/show_bug.cgi?id=2032401
- https://gitlab.com/cryptsetup/cryptsetup/-/commit/0113ac2d889c5322659ad0596d4cfc6da53e356c
- https://mirrors.edge.kernel.org/pub/linux/utils/cryptsetup/v2.4/v2.4.3-ReleaseNotes
Deep Security Visibility Without the Complexity
SynScan provides clear, real-time security insights so you can monitor your attack surface, spot risks early, and act fast—without extra complexity.
- No setup fees
- 5-min deployment
- Cancel anytime