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CVE-2021-4122

CVE-2021-4122

EPSS 0.3%CWE-345
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 products
n/a · cryptsetup

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References
https://access.redhat.com/security/cve/CVE-2021-4122https://bugzilla.redhat.com/show_bug.cgi?id=2031859https://bugzilla.redhat.com/show_bug.cgi?id=2032401https://gitlab.com/cryptsetup/cryptsetup/-/commit/0113ac2d889c5322659ad0596d4cfc6da53e356chttps://mirrors.edge.kernel.org/pub/linux/utils/cryptsetup/v2.4/v2.4.3-ReleaseNotes