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[Sam_ <908365@xxxxxxxxxxxxxxxxxx>]

** Package changed: ubuntu => gnome-screensaver (Ubuntu)

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https://bugs.launchpad.net/bugs/908365

Title:
  Desktop is shown when user comes back when screenlock/blank is
  activated

Status in “gnome-screensaver” package in Ubuntu:
  New

Bug description:
  When I either lock the screen or it locks by itself (and goes blank),
  when I come back and move the mouse is shows the desktop & open
  windows for about a second before it blanks again and then asks for
  the password. This started happening with Ubuntu 11.04 after an
  upgrade from 10.10; I was hoping it would go away with an upgrade to
  11.10 but this was not the case.

  Here is the info you asked for:

  $ lsb_release -rd
  Description:	Ubuntu 11.10
  Release:	11.10

  $ apt-cache policy gnome-screensaver
  gnome-screensaver:
    Installed: 3.2.0-0ubuntu1
    Candidate: 3.2.0-0ubuntu1
    Version table:
   *** 3.2.0-0ubuntu1 0
          500 http://ch.archive.ubuntu.com/ubuntu/ oneiric/main i386 Packages
          100 /var/lib/dpkg/status

  
  What is expected: 
  1) The screen goes blank & locks
  2) The user comes back and moves the mouse
  3) The screen stays blank and the password dialog comes up, the user does not see anything else

  What happens:
  1) The screen goes blank & locks
  2) The user comes back and moves the mouse
  3) The screen shows the desktop for a second (and any windows open at the time), then it blanks again and shows the password dialog.

  I believe this is a security issue too, although one could argue a
  small one, but it allows someone who has physical access to the PC to
  see the screen for a second even when it is locked. I will not flag is
  as a security issue though, I'll let the Ubuntu team decide if if is
  considered one by their standards.

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