USN-2581-1: NetworkManager vulnerability

28 April 2015

network-manager vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 15.04
  • Ubuntu 14.10
  • Ubuntu 14.04 LTS


NetworkManager would allow unintended access to files and modem device configuration.

Software Description

  • network-manager - Network connection manager


Tavis Ormandy discovered that NetworkManager incorrectly filtered paths when requested to read modem device contexts. A local attacker could possibly use this issue to bypass privileges and manipulate modem device configuration or read arbitrary files.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 15.04
network-manager -
Ubuntu 14.10
network-manager -
Ubuntu 14.04 LTS
network-manager -

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.