Rapid7

vulnerability

Debian: CVE-2021-4122: cryptsetup -- security update

Severity
5
CVSS
(AV:L/AC:M/Au:N/C:N/I:C/A:N)
Published
Aug 24, 2022
Added
Nov 4, 2022
Modified
Mar 30, 2026

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

debian-upgrade-cryptsetup
Title
Rapid7 Labs

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