** Tags removed: mantic
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Title:
Screen contents revealed briefly on resume, before even unlocking
Status in GNOME Shell:
** Tags removed: kinetic
** Tags added: mantic
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Title:
Screen contents revealed briefly on resume, before even unlocking
Hi Seth,
if only it would be that easy.
Suspending and locking does not circumvent the problem. The only way to
be safe is shutting down on leave and newly boot on return.
Ubuntu is not safe here. This is a major vulnerability.
I love Ubuntu and appreciate all your work. I am a user only and
On Mon, Apr 03, 2023 at 06:57:36AM -, Ralf Dünkelmann wrote:
> the bug (https://bugs.launchpad.net/bugs/2013453), that nem000 created
> was marked as a duplicate of this one. This is the case for most of the
> related bugs listed here. So it seems that this here is the issue to go
> ahead
Hi Seth, hi nem000,
the bug (https://bugs.launchpad.net/bugs/2013453), that nem000 created
was marked as a duplicate of this one. This is the case for most of the
related bugs listed here. So it seems that this here is the issue to go
ahead with?
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** Tags added: kinetic
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Title:
Screen contents revealed briefly on resume, before even unlocking
Status in GNOME Shell:
Hi Seth, thanks for the info! I just filed a bug with "ubuntu-bug" (using it
the first time so I hope I did it right).
Thanks for your hard work!
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nem000 I'm sure I've seen this bug fixed a dozen times in the last
fifteen years or something. It's just a popular bug to re-implement.
Please file a bug with 'ubuntu-bug gnome-shell' if you're using Gnome;
replace 'gnome-shell' with whatever screenlocker you're using if you're
on a different
Have the exact same problem as originally reported using a Lenovo Thinkpad
T480s and Ubuntu 22.10 when I close and re-open my laptop.
Very annoying and I can't believe this bug seems to be so old and has survived
for so many years!
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with an Eizo monitor connected externally when ubuntu is "on lock", I
can unlock my Laptop completely without typing a password.
This isn't just a bug.
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To a non-maintainer-but-longtime-user, it appears that the lock screen
implementation in Gnome (or whatever OS stack) is completely broken -> it
isn't secure, breaks NVIDIA drivers, inexplicably shows a different
rendition (version) of the lockscreen in some cases, and doesn't work with
popular
Hi there,
I am using ubuntu budgie 22 on a tuxedo laptop and can reproduce
reveiling of content when I lock the screen and connect to an external
monitor afterwards. When connecting the monitor the lower part of the
screen is reveiled shortly. When disconnecting the monitor, the upper
part
** Tags added: lunar
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Title:
Screen contents revealed briefly on resume, before even unlocking
Status in GNOME Shell:
New
** Changed in: gnome-shell
Status: Unknown => New
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Title:
Screen contents revealed briefly on resume, before even
** Changed in: mutter
Status: Unknown => New
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Title:
Screen contents revealed briefly on resume, before even
These days I have seen this bug at least twice in Jammy, using Wayland.
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Title:
Screen contents revealed briefly on resume,
** Bug watch added: gitlab.gnome.org/GNOME/mutter/-/issues #2133
https://gitlab.gnome.org/GNOME/mutter/-/issues/2133
** Also affects: mutter via
https://gitlab.gnome.org/GNOME/mutter/-/issues/2133
Importance: Unknown
Status: Unknown
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If us developers could reproduce the problem ourselves then we probably
would have already fixed it.
If anyone has instructions on how to reproduce the problem in gnome-
shell then please write them here.
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Actually maybe keep that conversation in
https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/3294 where all the
gnome-shell developers can see it.
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This issue has evolved into a monster! It's now a pile of dupes of this
report, an epic saga that stretches back over a decade, and more than
one false claim of repair. Perhaps the steps to reproduce and/or
acceptance criteria weren't accurate.
On top of it -- the screen lock + suspend
** Tags removed: hirsute
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Title:
Screen contents revealed briefly on resume, before even unlocking
Status in GNOME Shell:
I've seen this three times now on Ubuntu 21.10 (GNOME 40). I don't
recall ever seeing it on Ubuntu 20.10.
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Title:
Screen
I am affected, although not every time I resume my laptop. Perhaps 10 %
of the times, and possibly with more likelihood if my laptop has been
suspended for a while.
I haven't yet found how to reproduce this bug in a repeatable manner.
Have you got clues? or do you want me to upload some logs
>From the investigation I performed earlier this week, this issue appears to
go back at least 10 years. The original report against Ubuntu 16 has a
video that demonstrates the problem clearly. It should suffice as steps to
reproduce.
On Thu, Sep 2, 2021 at 8:11 PM Daniel van Vugt
I don't think we need new bug reports about this. I've just fixed the
concern about "unrelated packages" by removing the irrelevant tasks at
the top of the page. Only the gnome-shell task remains open.
What we really need here is clear instructions for how to reproduce the
bug in GNOME using a
omid, this bug report covers too many unrelated packages to be useful at
this point.
If you're still seeing desktop contents during resume with a currently
supported version of Ubuntu, please file a new bug report with details
on the specific packages you're using and steps to reproduce the
Why no one treats this bug as a major security issue with a priority?
This bug exposes sensitive information before even unlocking the
computer.
I can confirm this bug on Ubuntu 21.04.
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This bug has been reported on the Ubuntu ISO testing tracker.
A list of all reports related to this bug can be found here:
http://iso.qa.ubuntu.com/qatracker/reports/bugs/1532508
** Tags added: iso-testing
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This bug also appears in Ubuntu Budgie 20.04.2 LTS (Focal Fossa).
```
$ lspci |fgrep -i graphics
00:02.0 VGA compatible controller: Intel Corporation Atom/Celeron/Pentium
Processor x5-E8000/J3xxx/N3xxx Integrated Graphics Controller (rev 21)
$
```
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This bug does not appear to be related to Xfce, yet. If it does happen
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I can also confirm this (Xubuntu 20.04.2).
Hardware is a HP Probook 430 G6.
lspci says this about the graphics card:
"Intel Corporation UHD Graphics 620"
Thanks in advance!
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** Tags removed: xenial
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Title:
Screen contents revealed briefly on resume, before even unlocking
Status in GNOME Shell:
** Bug watch added: gitlab.gnome.org/GNOME/gnome-shell/-/issues #3294
https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/3294
** Changed in: gnome-shell
Status: New => Unknown
** Changed in: gnome-shell
Remote watch: gitlab.gnome.org/GNOME/gnome-shell/issues #332 =>
I use Ubuntu 20.04.1 (focal), and I have the same problem. I confirm
this bug.
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Title:
Screen contents revealed briefly on
** Tags added: focal
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Title:
Screen contents revealed briefly on resume, before even unlocking
Status in GNOME Shell:
New
** Tags removed: disco
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Title:
Screen contents revealed briefly on resume, before even unlocking
Status in GNOME Shell:
** Changed in: gnome-shell
Status: Unknown => New
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Title:
Screen contents revealed briefly on resume, before even
Watch existing bug on GNOME Gitlab. Previously, this was
https://bugzilla.gnome.org/show_bug.cgi?id=753678
** Bug watch added: gitlab.gnome.org/GNOME/gnome-shell/issues #332
https://gitlab.gnome.org/GNOME/gnome-shell/issues/332
** Bug watch added: bugzilla.gnome.org/ #753678
I don't agree with PeterPall! On my Ubuntu 19.10 Laptop, I still got the
screen visible after suspend due to lid-close for a glimpse of a moment
The bug is still open.
A solution to this security issue would be to set the action on lid-
close to "lock" instead of "suspend", see:
Can confirm I am getting this on 19.04 ubuntu budgie and am up to date
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Title:
Screen contents revealed briefly on resume,
** Tags removed: trusty
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Title:
Screen contents revealed briefly on resume, before even unlocking
Status in GNOME Shell:
** Tags removed: cosmic
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Title:
Screen contents revealed briefly on resume, before even unlocking
Status in GNOME Shell:
In 19.10 the problem seems to be gone, too. But I once whilst cleaning
my keyboard got a glimpse on the locked screen => There might be a more
subtle bug, still.
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Original poster here.
I switched to 19.04 (disco) in April, and I have never seen this bug
again since (default window manager and everything).
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** Tags removed: wily zesty
** Tags added: bionic
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Title:
Screen contents revealed briefly on resume, before even unlocking
Still present in 18.04.2.
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Title:
Screen contents revealed briefly on resume, before even unlocking
Status in GNOME Shell:
Also affecting my Ubuntu 16.04 LTS laptop, all updates installed.
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Title:
Screen contents revealed briefly on resume, before
I also still have this issue with the default 18.04.1 version. However,
i installed a newer mesa version (which also upgrades a bunch of other
dependencies) using the padoka stable ppa and since then the issue is
gone.
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Still having the same issue:
Linux DEll-XPS15 4.16.7-041607-generic #201805021131 SMP Wed May 2 15:34:55 UTC
2018 x86_64 x86_64 x86_64 GNU/Linux
Ubuntu 18.04.1 LTS
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I still see this issue in a configuration very similar to comment #33:
* ThinkPad X1 Carbon 6th Gen with integrated Intel Graphics
* Ubuntu 18.04.1 fresh install
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On my machine (Disco/Gnome on Wayland) the problem still happens. But
the fix has changed something because it no more happens all the time
but only for the right suspend reasons.
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On my machine (disco/gnome on Wayland) it also still appears.
But something has changed: a few months ago the screen contents was visible on
each resume. Now it makes a difference if the computer suspended due to a lack
of activity (in this case the computer seems to always only lock the screen.
Still experiencing this with Bionic gnome-shell 3.28.3-0ubuntu0.18.04.3
I was actually able to move the mouse for a second before the lock
screen appeared.
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I am experiencing this on Thinkpad T460s running 64 bit Ubuntu 18.04.1
(4.15.0-42-generic) with Gnome 3.28.2, utilizing Intel® Core™ i7-6600U
CPU @ 2.60GHz × 4, Intel® HD Graphics 520 (Skylake GT2)
I was not experiencing this problem on the same machine running 16.04,
and only started
OK then. We still have three reports of this bug still happening after
the fix that was in bug 1768786:
* https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1532508/comments/25
*
https://bugs.launchpad.net/ubuntu/+source/gnome-screensaver/+bug/1428307/comments/3
* bug 1800426
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My report (1806983) is slightly different and more problematic: when the bug
occurs, the interface, the app bar now keeps beeing buggy until I reboot and
the unlock interface doesn't shows at all even if I re-put on suspend and
re-resume.
I had the "desktop showed for one second" bug but it
Make that four reports, including bug 1800426.
** Changed in: gnome-shell (Ubuntu)
Importance: Undecided => High
** Changed in: gdm3 (Ubuntu)
Importance: Undecided => High
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Fun fact: My iPhone 8 has the same bug when I wake it in the morning :)
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Title:
Screen contents revealed briefly on resume,
OK. Reopening this bug for gnome-shell. Despite the fact that bug 1768786
declared it fixed, we now have at least three reports that it is not fixed for
gnome-shell:
* https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1532508/comments/25
*
Gnome Shell was just fixed, but it was tracked as bug 1768786. So I'm
going to remove the gnome-shell tasks from here
** No longer affects: gnome-shell (Fedora)
** No longer affects: gdm3 (Ubuntu)
** No longer affects: gnome-shell (Ubuntu)
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Florian, please file a new bug against whatever packages kubuntu uses
for screen locking for this.
Thanks
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Title:
Screen
I'm also experiencing this bug on kubuntu 18.04.
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Title:
Screen contents revealed briefly on resume, before even unlocking
I also confirm this on 18.04
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Title:
Screen contents revealed briefly on resume, before even unlocking
Status in GNOME
for me this bug is only happening in 18.04 when using the X session and
does not occur when using wayland
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Title:
Screen
Still experiencing this bug in Ubuntu Budgie 18.04. Shows the last (pre-
hibernate) screen for a brief instant on wake, before displaying the
login screen.
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This bug is still open for 18.04 as indicated by:
gnome-shell (Ubuntu) Confirmed
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Title:
Screen contents revealed briefly
Original poster here, I confirm the bug is still present in 18.04 (work
on secret files -> close laptop lid -> anyone opening the lid can
sometimes see the content even without unlocking) although it happens
much less frequently than in 16.04 in my personal experience.
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Confirmed that this bug occurs when the user has Automatic Screen Lock
turned off in Privacy settings.
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Title:
Screen
Also experiencing this bug on 18.04 (XPS13 9370)
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Title:
Screen contents revealed briefly on resume, before even unlocking
also visible on 18.04 (XPS13 9370)
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Title:
Screen contents revealed briefly on resume, before even unlocking
Status in
I'm still seeing this bug with fully updated 16.04. Machine is HP
EliteBook G2, Intel graphics, external display attached via dock's
displayport interface.
unity 7.4.5+16.04.20180221-0ubuntu1
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This bug was fixed in the package unity - 7.4.5+16.04.20171201.3
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unity (7.4.5+16.04.20171201.3) xenial; urgency=medium
[ Marco Trevisan (Treviño) ]
* InputMonitor: add an unity class that monitors XInput2 events and
converts them to XEvent
* EdgeBarrierController: use
** Tags removed: verification-needed
** Tags added: verification-done
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Title:
Screen contents revealed briefly on resume,
fine now in unity 7.4.5+16.04.20171201.3
** Tags removed: verification-needed-xenial
** Tags added: verification-done-xenial
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I hadn't noticed this bug in a while. And then suddenly yesterday (on
Arch Linux) it appeared!
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Title:
Screen contents
** Changed in: gnome-shell (Fedora)
Status: Unknown => In Progress
** Changed in: gnome-shell (Fedora)
Importance: Unknown => High
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