- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory                           GLSA 201402-02
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                            http://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

 Severity: High
    Title: NVIDIA Drivers: Privilege Escalation
     Date: February 02, 2014
     Bugs: #493448
       ID: 201402-02

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Synopsis
========

A NVIDIA drivers bug allows unprivileged user-mode software to access
the GPU inappropriately, allowing for privilege escalation.

Background
==========

The NVIDIA drivers provide X11 and GLX support for NVIDIA graphic
boards.

Affected packages
=================

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  x11-drivers/nvidia-drivers
                                  < 331.20                *>= 304.116
                                                           *>= 319.76
                                                            >= 331.20

Description
===========

The vulnerability is caused due to the driver allowing unprivileged
user-mode software to access the GPU.

Impact
======

A local attacker could gain escalated privileges.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All NVIDIA Drivers users using the 331 branch should upgrade to the
latest version:

  # emerge --sync
  # emerge --ask --oneshot -v ">=x11-drivers/nvidia-drivers-331.20"

All NVIDIA Drivers users using the 319 branch  should upgrade to the
latest version:

  # emerge --sync
  # emerge --ask --oneshot -v ">=x11-drivers/nvidia-drivers-319.76"

All NVIDIA Drivers users using the 304 branch should upgrade to the
latest version:

  # emerge --sync
  # emerge --ask --oneshot -v ">=x11-drivers/nvidia-drivers-304.116"

References
==========

[ 1 ] CVE-2013-5986
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-5986
[ 2 ] CVE-2013-5987
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-5987

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 http://security.gentoo.org/glsa/glsa-201402-02.xml

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2014 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5