VULNERABILITY INTELLIGENCE

CVE-2021-4122

CVSS score4.3 MEDIUM
EPSS probability0.32%
CISA KEVNot currently listed
Published2022-08-24
Last modified2026-10-14
CVSS vectorCVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

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.

Weakness classification

  • secalert@redhat.com: CWE-345
  • nvd@nist.gov: CWE-345

Primary references