Bug 433893

Summary:	SDDM security issue: I can see the session briefly for some time before unlocking
Product:	[Unmaintained] kscreenlocker	Reporter:	Apoorv Potnis <apoorvpotnis>
Component:	general	Assignee:	Plasma Bugs List <plasma-bugs-null>
Status:	RESOLVED DUPLICATE
Severity:	normal	CC:	bshah, kde
Priority:	NOR
Version First Reported In:	unspecified
Target Milestone:	---
Platform:	Manjaro
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description Apoorv Potnis 2021-03-03 07:28:31 UTC

SUMMARY

SDDM security issue: I can see the session briefly for some time before unlocking 

I am using Manjaro 20.2.1 with KDE 5.79.0 / Plasma 5.21.1 on HP 15-bs164TU laptop. After I open the lid, I can see my previous session desktop and windows briefly for some time before the plasma locker screen appears. I had this issue on previous versions of Manjaro KDE as well.

STEPS TO REPRODUCE
1. 
2. 
3. 

OBSERVED RESULT


EXPECTED RESULT


SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: 
(available in About System)
KDE Plasma Version: 
KDE Frameworks Version: 
Qt Version: 

ADDITIONAL INFORMATION

Comment 1 Apoorv Potnis 2021-03-03 07:37:41 UTC

STEPS TO REPRODUCE

1. Close the lid and open again.

OBSERVED RESULT

The session is displayed for a brief amount of time.

EXPECTED RESULT

The session should not be displayed, only the plasma screen locker.

SOFTWARE/OS VERSIONS

Linux/KDE Plasma: Manjaro KDE 20.2.1 Nibia
KDE Plasma Version: 5.21.1
KDE Frameworks Version: 5.79.0
Qt Version: 5.15.2
Kernel Version: 5.10.18-1-MANJARO
OS Type: 64-bit
Graphics Platform: X11
Graphics Processer: Mesa Intel® UHD Graphics 620

Comment 2 David Edmundson 2021-03-03 08:26:53 UTC


*** This bug has been marked as a duplicate of bug 316734 ***