CVE-2021-4122
4.3MEDIUMIt 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 di
Published: 8/24/2022Updated: 11/21/2024
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.
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Affected Products
cryptsetup_projectcryptsetup
cryptsetup_projectcryptsetup
References
- https://access.redhat.com/security/cve/CVE-2021-4122Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2031859Permissions RequiredThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2032401Issue TrackingThird Party Advisory
- https://gitlab.com/cryptsetup/cryptsetup/-/commit/0113ac2d889c5322659ad0596d4cfc6da53e356cPatchThird Party Advisory
- https://mirrors.edge.kernel.org/pub/linux/utils/cryptsetup/v2.4/v2.4.3-ReleaseNotesRelease NotesVendor Advisory
- https://access.redhat.com/security/cve/CVE-2021-4122Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2031859Permissions RequiredThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2032401Issue TrackingThird Party Advisory
- https://gitlab.com/cryptsetup/cryptsetup/-/commit/0113ac2d889c5322659ad0596d4cfc6da53e356cPatchThird Party Advisory
- https://mirrors.edge.kernel.org/pub/linux/utils/cryptsetup/v2.4/v2.4.3-ReleaseNotesRelease NotesVendor Advisory