*** This bug is a security vulnerability ***
You have been subscribed to a public security bug by Marc Deslauriers
(mdeslaur):
I set an upgrade running from 12.10 to 13.04 (my second attempt, the
first had failed due to loss of network), and as I expected this to take
some time, locked the screen and left. I returned to an _unlocked_
screen, which is obviously a security risk.
It was showing a debconf dialog (asking if I wanted to restart cron,
atd, cups and rsync after upgrading libc6, probably not the most helpful
thing to ask a user who may well have no idea what these are), but the
logs suggest update-manager deliberately kills gnome-screensaver before
starting the install phase (possibly a fix for bug 319332 or similar
problems?).
If it is not practical to have screen lock actually working during an
upgrade, I suggest either disabling it right at the start and giving an
appropriate message if the user tries it, or pausing and waiting for
user input if the screen is locked at the point where the lock needs to
be disabled.
** Affects: update-manager (Ubuntu)
Importance: Undecided
Status: New
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screen unlocks itself during upgrade to 13.04
https://bugs.launchpad.net/bugs/1174093
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which is subscribed to the bug report.
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