USN-3311-1: libnl vulnerability
6 June 2017
libnl3 vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 17.04
- Ubuntu 16.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary
libnl could be made to crash or run programs.
Software Description
- libnl3 - library for dealing with netlink sockets
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 code.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 17.04
- libnl-3-200 - 3.2.29-0ubuntu2.1
- Ubuntu 16.10
- libnl-3-200 - 3.2.27-1ubuntu0.16.10.1
- Ubuntu 16.04 LTS
- libnl-3-200 - 3.2.27-1ubuntu0.16.04.1
- Ubuntu 14.04 LTS
- libnl-3-200 - 3.2.21-1ubuntu4.1
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to reboot your computer to make all the necessary changes.