I confirm it affects Mate 18.04 as well. Moreover, a new bug on mate 18.04, plugging in an HDMI screen upon receiving the lockscreen, sometimes allows you to bypass it completely.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1777415 Title: Local authorization bypass by using suspend mode To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/1777415/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs