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Gentoo Linux Security Advisory GLSA 201402-02
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http://security.gentoo.org/
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Severity: High
Title: NVIDIA Drivers: Privilege Escalation
Date: February 02, 2014
Bugs: #493448
ID: 201402-02

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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

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