Ubuntu Security Notice USN-3311-2
19th June, 2017
A security issue affects these releases of Ubuntu and its
- Ubuntu 12.04 LTS
libnl could be made to run programs as an administrator.
– library for dealing with netlink sockets
USN-3311-1 fixed a vulnerability in libnl. This update provides the
corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
It was discovered that libnl incorrectly handled memory when performing
certain operations. A local attacker could possibly use this issue to cause
libnl to crash, resulting in a denial of service, or execute arbitrary
The problem can be corrected by updating your system to the following
To update your system, please follow these instructions:
After a standard system update you need to reboot your computer to make
all the necessary changes.