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[Matthias Niess <1299596@xxxxxxxxxxxxxxxxxx>]

This looks like a security issue and there are already multiple users
confirming it (here and on reddit). I subscribed the security team to
this bug. If I'm wrong, please forgive me and just unsubscribe.

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https://bugs.launchpad.net/bugs/1299596

Title:
  The content of the display are briefly shown when resuming from sleep,
  before lock screen is displayed

Status in “unity” package in Ubuntu:
  Confirmed

Bug description:
  I attach a video showing the problem.

  As you can see, when suspending the PC the transition between the
  desktop and the lock screen is no finished before suspending. It seems
  the process is finished on resume. The result is that the content of
  the desktop are briefly shown before the lock screen is displayed.

  I think this is a rather serious issue, as the content of the PC can
  be seen by non authorized people when one lefts the PC suspended and
  password protected.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: unity 7.1.2+14.04.20140328.1-0ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-20.42-generic 3.13.7
  Uname: Linux 3.13.0-20-generic x86_64
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  CurrentDesktop: Unity
  Date: Sat Mar 29 18:37:41 2014
  DistUpgraded: 2014-03-28 16:07:01,468 DEBUG enabling apt cron job
  DistroCodename: trusty
  DistroVariant: ubuntu
  DkmsStatus:
   virtualbox, 4.3.6, 3.13.0-19-generic, x86_64: installed
   virtualbox, 4.3.6, 3.13.0-20-generic, x86_64: installed
  GraphicsCard:
   Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 02) (prog-if 00 [VGA controller])
     Subsystem: Hewlett-Packard Company Device [103c:1436]
   Advanced Micro Devices, Inc. [AMD/ATI] Madison [Mobility Radeon HD 5650/5750 / 6530M/6550M] [1002:68c1] (prog-if 00 [VGA controller])
     Subsystem: Hewlett-Packard Company Mobility Radeon HD 5650 [103c:1436]
  InstallationDate: Installed on 2013-09-23 (187 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Beta amd64 (20130923.1)
  MachineType: Hewlett-Packard HP ENVY 14 Notebook PC
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-20-generic root=UUID=ca667e96-4f50-4077-8344-88c49b0769a2 ro quiet splash vt.handoff=7
  SourcePackage: unity
  UpgradeStatus: Upgraded to trusty on 2014-03-28 (1 days ago)
  dmi.bios.date: 12/01/2011
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: F.26
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: 1436
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: 59.24
  dmi.chassis.asset.tag: CNU03538DZ
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnHewlett-Packard:bvrF.26:bd12/01/2011:svnHewlett-Packard:pnHPENVY14NotebookPC:pvr0492100000241910000620000:rvnHewlett-Packard:rn1436:rvr59.24:cvnHewlett-Packard:ct10:cvrChassisVersion:
  dmi.product.name: HP ENVY 14 Notebook PC
  dmi.product.version: 0492100000241910000620000
  dmi.sys.vendor: Hewlett-Packard
  version.compiz: compiz 1:0.9.11+14.04.20140328-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.52-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.0-1ubuntu1
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.0-1ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.15.0-1ubuntu7
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2
  xserver.bootTime: Sat Mar 29 14:23:06 2014
  xserver.configfile: default
  xserver.errors: RADEON(G0): [XvMC] Failed to initialize extension.
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                                3593 
   vendor                                     LCD
  xserver.version: 2:1.15.0-1ubuntu7

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