*** This bug is a security vulnerability ***
You have been subscribed to a public security bug by Seth Arnold (seth-arnold):
Hello,
xfce4-screensaver on my machine is configured to take care of the screen
locking when suspended to RAM.
Observed behaviour:
After suspend and resume (lid close, wait for suspent, lid open) I often see
the last state of the desktop (frozen) but cannot do anything.
When entering my password "into the blue" (without knowing that there is any
input field or anything) and then pressing Enter, the screen is
unlocked/unfrozen.
Expected behaviour:
The screen is locked and you cannot see the previous screen content. Either
immediately or after moving the mouse or pressing a key, the password prompt is
shown.
$ lsb_release -rd
Description: Ubuntu 20.04 LTS
Release: 20.04
$ apt-cache policy xfce4-screensaver
xfce4-screensaver:
Installiert: 0.1.10-0ubuntu1
Installationskandidat: 0.1.10-0ubuntu1
Versionstabelle:
*** 0.1.10-0ubuntu1 500
500 http://de.archive.ubuntu.com/ubuntu focal/universe amd64 Packages
100 /var/lib/dpkg/status
I did "apt update" and "apt dist-upgrade" right before writing this bug
report.
If you need more information please let me know.
I marked this as a security bug as it may lead to disclosure of
information (desktop content) to others. (Note: It is not a security
problem in my case but may be in other constellations)
Kind regards,
Thomas
** Affects: xfce4-screensaver (Ubuntu)
Importance: Undecided
Status: New
--
Screensaver locks without overlay after resume from suspend
https://bugs.launchpad.net/bugs/1882430
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which is subscribed to the bug report.
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