systemd 242 changes the VT1 mode upon a logout, which allows attackers to read cleartext passwords in certain circumstances, such as watching a shutdown, or using Ctrl-Alt-F1 and Ctrl-Alt-F2. This occurs because the KDGKBMODE (aka current keyboard mode) check is mishandled.
@maintainer(s): Milestone for v243 release
Gentoo Security Padawan
Commit is upstream in master:
Waiting for this to be fixed.