USN-2809-1: LXD vulnerability

Ubuntu Security Notice USN-2809-1

12th 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 version:

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

LP: 1515689

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