Thanks for the report.
Any X11 client is allowed to grab the keyboard and mouse, and thus
prevent the session from locking. Time-based locking is not guaranteed
to function. If you wish your X11 session locked when you're away,
please lock it manually.
Thanks.
** Information type changed from Private Security to Public Security
** Changed in: gnome-screensaver (Ubuntu)
Status: New => Opinion
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to gnome-screensaver in Ubuntu.
https://bugs.launchpad.net/bugs/1124282
Title:
screen lock by timeout does not affect vm
Status in “gnome-screensaver” package in Ubuntu:
Opinion
Bug description:
I have a virtualbox running a Windows 7 64 bit on my Ubuntu 12.04 64 bit. If
the Windows window is on focus and i am inactive, then my screen is locked
after a certain amount of time and should normally ask for my password. But it
only does so if a change the focus to a window other than my virtual machine.
Worse than that, if I hurry after my screen should be locked, I
perform some actions on my Ubuntu host before the password prompt
locks the screen. So the presence of my virtualbox allows people to
open a terminal on the host and type any command in the worst case.
This is a security issue.
Ubuntu: 12.04 64 bit
Window Manager: gnome-shell
VM: Oracle VM VirtualBox Manager 4.1.12_Ubuntu
Screen saver: gnome-screensaver 3.4.1
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: gnome-screensaver 3.4.1-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-37.58-generic 3.2.35
Uname: Linux 3.2.0-37-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu17.1
Architecture: amd64
Date: Wed Feb 13 17:19:45 2013
GnomeSessionIdleInhibited: No
GnomeSessionInhibitors: None
GsettingsGnomeSession:
org.gnome.desktop.session idle-delay uint32 600
org.gnome.desktop.session session-name 'ubuntu'
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64
(20120423)
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=de_DE.UTF-8
SHELL=/bin/bash
SourcePackage: gnome-screensaver
UpgradeStatus: No upgrade log present (probably fresh install)
WindowManager: No value set for
`/desktop/gnome/session/required_components/windowmanager'
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