[Bug 1290940] [NEW] Locked screen unlocks during upgrade

[Matthew Paul Thomas]

*** This bug is a security vulnerability ***

Public security bug reported:

1. Install Ubuntu 13.10.
2. At a terminal, enter "update-manager -cd" to trigger an upgrade to Trusty.
3. At the prompt, choose "Upgrade", and follow the steps.
4. Once the upgrade starts, lock the screen.

What happens: At some point, the screen unlocks.

What should happen: either screen locking isn't possible during upgrade,
or once locked the screen remains locked.

** Affects: update-manager (Ubuntu)
     Importance: Undecided
         Status: New

** Information type changed from Public to Public Security

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to update-manager in Ubuntu.
https://bugs.launchpad.net/bugs/1290940

Title:
  Locked screen unlocks during upgrade

Status in “update-manager” package in Ubuntu:
  New

Bug description:
  1. Install Ubuntu 13.10.
  2. At a terminal, enter "update-manager -cd" to trigger an upgrade to Trusty.
  3. At the prompt, choose "Upgrade", and follow the steps.
  4. Once the upgrade starts, lock the screen.

  What happens: At some point, the screen unlocks.

  What should happen: either screen locking isn't possible during
  upgrade, or once locked the screen remains locked.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1290940/+subscriptions