DEBIAN-CVE-2021-4122

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    DEBIAN-CVE-2021-4122

    Published: 24 Aug 2022Last Modified: 1 Sept 2026
    Upstream:
    CVE-2021-4122

    Summary:

    Details: 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.

    References: https://security-tracker.debian.org/tracker/CVE-2021-4122

    Affected packages

    Package

    Name: cryptsetup

    Purl: pkg:deb/debian/cryptsetup?arch=source&distro=bookworm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2:2.4.3-1

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    DEBIAN-CVE-2021-4122 | CVE-DB