=========================================================================Ubuntu Security Notice USN-3173-1
January 18, 2017

nvidia-graphics-drivers-304 and nvidia-graphics-drivers-340 vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

NVIDIA graphics drivers could be made to crash under certain conditions.

Software Description:
- nvidia-graphics-drivers-304: NVIDIA binary X.Org driver
- nvidia-graphics-drivers-340: NVIDIA binary X.Org driver

Details:

It was discovered that the NVIDIA graphics drivers contained a flaw in the
kernel mode layer. A local attacker could use this issue to cause a denial of
service.

Update instructions:

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

Ubuntu 16.10:
  nvidia-304                      304.134-0ubuntu0.16.10.1
  nvidia-304-updates              304.134-0ubuntu0.16.10.1
  nvidia-331                      340.101-0ubuntu0.16.10.1
  nvidia-331-updates              340.101-0ubuntu0.16.10.1
  nvidia-340                      340.101-0ubuntu0.16.10.1
  nvidia-340-updates              340.101-0ubuntu0.16.10.1
  nvidia-current                  304.134-0ubuntu0.16.10.1

Ubuntu 16.04 LTS:
  nvidia-304                      304.134-0ubuntu0.16.04.1
  nvidia-304-updates              304.134-0ubuntu0.16.04.1
  nvidia-331                      340.101-0ubuntu0.16.04.1
  nvidia-331-updates              340.101-0ubuntu0.16.04.1
  nvidia-340                      340.101-0ubuntu0.16.04.1
  nvidia-340-updates              340.101-0ubuntu0.16.04.1
  nvidia-current                  304.134-0ubuntu0.16.04.1

Ubuntu 14.04 LTS:
  nvidia-304                      304.134-0ubuntu0.14.04.1
  nvidia-304-updates              304.134-0ubuntu0.14.04.1
  nvidia-331                      340.101-0ubuntu0.14.04.1
  nvidia-331-updates              340.101-0ubuntu0.14.04.1
  nvidia-340                      340.101-0ubuntu0.14.04.1
  nvidia-340-updates              340.101-0ubuntu0.14.04.1
  nvidia-current                  304.134-0ubuntu0.14.04.1

Ubuntu 12.04 LTS:
  nvidia-304                      304.134-0ubuntu0.12.04.1
  nvidia-304-updates              304.134-0ubuntu0.12.04.1
  nvidia-331                      340.101-0ubuntu0.12.04.1
  nvidia-331-updates              340.101-0ubuntu0.12.04.1
  nvidia-340                      340.101-0ubuntu0.12.04.1
  nvidia-340-updates              340.101-0ubuntu0.12.04.1
  nvidia-current                  304.134-0ubuntu0.12.04.1

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-3173-1
  CVE-2016-8826

Package Information:
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-304/304.134-0ubuntu0.16.10.1
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-340/340.101-0ubuntu0.16.10.1
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-304/304.134-0ubuntu0.16.04.1
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-340/340.101-0ubuntu0.16.04.1
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-304/304.134-0ubuntu0.14.04.1
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-340/340.101-0ubuntu0.14.04.1
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-304/304.134-0ubuntu0.12.04.1
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-340/340.101-0ubuntu0.12.04.1