USN-3195-1: Nova-LXD vulnerability

Ubuntu Security Notice USN-3195-1

9th February, 2017

nova-lxd vulnerability

A security issue affects these releases of Ubuntu and its
derivatives:

Ubuntu 16.04 LTS

Summary

Nova-LXD could allow unintended access to LXD instances over the network.

Software description

nova-lxd
– Openstack Compute – LXD container hypervisor support

Details

James Page discovered that Nova-LXD incorrectly set up virtual network devices
when creating LXD instances. This could result in an unintended firewall
configuration.

Update instructions

The problem can be corrected by updating your system to the following
package version:

Ubuntu 16.04 LTS:: python-nova-lxd

13.2.0-0ubuntu1.16.04.1

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

In general, a standard system update will make all the necessary changes for
new instances. However, existing instances will still be affected and must be
manually updated.