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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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.

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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.

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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.

References

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Further reading