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USN-3195-1: Nova-LXD vulnerability

10 February 2017

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



  • nova-lxd - Openstack Compute - LXD container hypervisor support


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

Update instructions

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

Ubuntu 16.04

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.