=========================================================================Ubuntu Security Notice USN-2809-1
November 12, 2015

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

- Ubuntu 15.10

Summary:

LXD could be made to run programs as an administrator.

Software Description:
- lxd: Container hypervisor based on LXC

Details:

Jeroen Simonetti discovered that LXD incorrectly set socket permissions. A
local attacker could use this issue to escalate privileges.

Update instructions:

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

Ubuntu 15.10:
  lxd                             0.20-0ubuntu4.1

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-2809-1
  https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/1515689

Package Information:
  https://launchpad.net/ubuntu/+source/lxd/0.20-0ubuntu4.1