*** This bug is a security vulnerability ***

You have been subscribed to a public security bug by Seth Arnold (seth-arnold):

Ubuntu 18.04.1

Just a few minutes ago, I typed the first character of my password, and
the lock screen didn't change to the login screen. I typed the character
again and nothing happened, so I pressed the spacebar to try to get the
thing's attention.


Then it unlocked.


This is spooked me, so I restarted my laptop and tried logging in with a random 
string, and nothing happened. I logged in with my regular password and then 
promptly changed it.

I tried unlocking my system with my old password, and it worked.
However, the terminal only recognizes my new root password.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: gnome-screensaver (not installed)
ProcVersionSignature: Ubuntu 4.15.0-42.45-generic 4.15.18
Uname: Linux 4.15.0-42-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Mon Dec 17 23:10:46 2018
InstallationDate: Installed on 2018-09-15 (94 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: gnome-screensaver
Symptom: security
Title: Screen not locked when coming out of suspend/hibernate
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: gnome-screensaver (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug bionic
-- 
Screen not locked when coming out of suspend/hibernate
https://bugs.launchpad.net/bugs/1808908
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