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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.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Releases

Packages

  • 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.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

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.