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CVE-2021-4122

4.3 medium Modified
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 4

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 4.3 · cryptsetup_projectNVD modified 2026-10-14 11:16

Affected (CPE criteria) 1

  • cpe:2.3:a:cryptsetup_project:cryptsetup:*:*:*:*:*:*:*:*

References 11