CVE-2022-21505

kernel: lockdown bypass using IMA

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Severity

Moderate

Red Hat Product Security

6.7

CVSS 3.1

Review impact separately from score.

Published · July 19, 2022

Updated · October 15, 2026

Description

An authentication bypass flaw was found in the Linux kernel’s IMA policy when a user performs lockdown. This flaw allows a local user to crash or potentially escalate their privileges on the system.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.7
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CWE-305 · Authentication Bypass by Primary Weakness