DEBIAN-CVE-2021-4122

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Source
https://security-tracker.debian.org/tracker/CVE-2021-4122
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-4122.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2021-4122
Upstream
Published
2022-08-24T16:15:09.427Z
Modified
2025-11-14T04:04:25.039976Z
Severity
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N CVSS Calculator
Summary
[none]
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

Affected packages

Debian:11 / cryptsetup

Package

Name
cryptsetup
Purl
pkg:deb/debian/cryptsetup?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:2.3.7-1+deb11u1

Affected versions

2:2.*

2:2.3.5-1
2:2.3.5-1+exp1
2:2.3.6-1+exp1
2:2.3.7-1+deb11u1~bpo10+1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / cryptsetup

Package

Name
cryptsetup
Purl
pkg:deb/debian/cryptsetup?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:2.4.3-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / cryptsetup

Package

Name
cryptsetup
Purl
pkg:deb/debian/cryptsetup?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:2.4.3-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / cryptsetup

Package

Name
cryptsetup
Purl
pkg:deb/debian/cryptsetup?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:2.4.3-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}