USN-2809-1: LXD vulnerability

12 November 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

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.

References