USN-2747-1: NVIDIA graphics drivers vulnerability

28 September 2015

nvidia-graphics-drivers-304, nvidia-graphics-drivers-304-updates, nvidia-graphics-drivers-340, nvidia-graphics-drivers-340-updates, nvidia-graphics-drivers-346, nvidia-graphics-drivers-346-updates, jockey vulnerability

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

  • Ubuntu 15.04
  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS

Summary

NVIDIA graphics drivers could be made to run programs as an administrator.

Software Description

  • nvidia-graphics-drivers-304 - NVIDIA binary X.Org driver
  • nvidia-graphics-drivers-304-updates - NVIDIA binary X.Org driver
  • nvidia-graphics-drivers-340 - NVIDIA binary X.Org driver
  • nvidia-graphics-drivers-340-updates - NVIDIA binary X.Org driver
  • nvidia-graphics-drivers-346 - NVIDIA binary X.Org driver
  • nvidia-graphics-drivers-346-updates - NVIDIA binary X.Org driver
  • jockey - user interface and desktop integration for driver management

Details

Dario Weisser discovered that the NVIDIA graphics drivers incorrectly handled certain IOCTL writes. A local attacker could use this issue to possibly gain root privileges.

Update instructions

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

Ubuntu 15.04
nvidia-304 - 304.128-0ubuntu0.1
nvidia-304-updates - 304.128-0ubuntu0.1
nvidia-340 - 340.93-0ubuntu0.1
nvidia-340-updates - 340.93-0ubuntu0.1
nvidia-346 - 346.96-0ubuntu0.1
nvidia-346-updates - 346.96-0ubuntu0.1
Ubuntu 14.04 LTS
nvidia-304 - 304.128-0ubuntu0.0.1
nvidia-304-updates - 304.128-0ubuntu0.0.1
nvidia-340 - 340.93-0ubuntu0.0.1
nvidia-340-updates - 340.93-0ubuntu0.0.1
nvidia-346 - 346.96-0ubuntu0.0.1
nvidia-346-updates - 346.96-0ubuntu0.0.1
Ubuntu 12.04 LTS
jockey-common - 0.9.7-0ubuntu7.16
nvidia-304 - 304.128-0ubuntu0.0.0.1
nvidia-304-updates - 304.128-0ubuntu0.0.0.1
nvidia-340 - 340.93-0ubuntu0.0.0.1
nvidia-340-updates - 340.93-0ubuntu0.0.0.1

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.

References