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Linux Compatible » News » April 2013 » GLSA 201304-01: NVIDIA Drivers: Privilege escalation

GLSA 201304-01: NVIDIA Drivers: Privilege escalation

Posted by Philipp Esselbach on: 04/09/2013 11:57 AM [ Print | 0 comment(s) ]

Updated NVIDIA drivers has been released for Gentoo Linux




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Gentoo Linux Security Advisory GLSA 201304-01
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http://security.gentoo.org/
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Severity: High
Title: NVIDIA Drivers: Privilege escalation
Date: April 08, 2013
Bugs: #429614, #464248
ID: 201304-01

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Synopsis
========

Two vulnerabilities in NVIDIA drivers may allow a local attacker to
gain escalated privileges.

Background
==========

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

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 x11-drivers/nvidia-drivers
< 304.88 >= 304.88

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

Two vulnerabilities have been discovered in NVIDIA drivers:

* A vulnerability has been found in the way NVIDIA drivers handle
read/write access to GPU device nodes, allowing access to arbitrary
system memory locations (CVE-2012-4225).
* A buffer overflow error has been discovered in NVIDIA drivers
(CVE-2013-0131).

NOTE: Exposure to CVE-2012-4225 is reduced in Gentoo due to 660
permissions being used on the GPU device nodes by default.

Impact
======

A local attacker could gain escalated privileges.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All NVIDIA driver users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot -v ">=x11-drivers/nvidia-drivers-304.88"

References
==========

[ 1 ] CVE-2012-4225
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4225
[ 2 ] CVE-2013-0131
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-0131

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

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

http://security.gentoo.org/glsa/glsa-201304-01.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 2013 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



GLSA 201304-01: NVIDIA Drivers: Privilege escalation


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