Bug 2106830 (CVE-2022-21505) - CVE-2022-21505 kernel: lockdown bypass using IMA
Summary: CVE-2022-21505 kernel: lockdown bypass using IMA
Alias: CVE-2022-21505
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
Depends On: 2140526 2140527 2140528 2140529 2140530
Blocks: 2106831
TreeView+ depends on / blocked
Reported: 2022-07-13 15:35 UTC by Marian Rehak
Modified: 2023-08-14 14:15 UTC (History)
35 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
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.
Clone Of:
Last Closed: 2023-05-09 15:47:28 UTC

Attachments (Terms of Use)

System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2023:2148 0 None None None 2023-05-09 07:11:24 UTC
Red Hat Product Errata RHSA-2023:2458 0 None None None 2023-05-09 07:50:20 UTC

Description Marian Rehak 2022-07-13 15:35:13 UTC
A bug that allows linux kernel lockdown to be trivially bypassed using IMA.

Comment 4 Wade Mealing 2022-11-07 04:54:54 UTC
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2140526]

Comment 6 Justin M. Forbes 2022-11-08 15:10:57 UTC
This was fixed for Fedora with the 5.18.15 stable kernel updates.

Comment 9 errata-xmlrpc 2023-05-09 07:11:22 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2023:2148 https://access.redhat.com/errata/RHSA-2023:2148

Comment 10 errata-xmlrpc 2023-05-09 07:50:18 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2023:2458 https://access.redhat.com/errata/RHSA-2023:2458

Comment 11 Product Security DevOps Team 2023-05-09 15:47:25 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):


Note You need to log in before you can comment on or make changes to this bug.