USN-3311-1: libnl vulnerability

Ubuntu Security Notice USN-3311-1

6th 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 version:

Ubuntu 17.04:

Ubuntu 16.10:

Ubuntu 16.04 LTS:

Ubuntu 14.04 LTS:

To update your system, please follow these instructions: