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Date: Mon, 20 Aug 2007 00:47:54 +0200
From: Raphael Marichez <falco@...too.org>
To: gentoo-announce@...too.org
Cc: bugtraq@...urityfocus.com, full-disclosure@...ts.grok.org.uk,
	security-alerts@...uxsecurity.com
Subject: [ GLSA 200708-14 ] NVIDIA drivers: Denial of Service

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Gentoo Linux Security Advisory                           GLSA 200708-14
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: NVIDIA drivers: Denial of Service
      Date: August 19, 2007
      Bugs: #183567
        ID: 200708-14

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Synopsis
========

A vulnerability has been discovered in the NVIDIA graphic drivers,
allowing for a Denial of Service.

Background
==========

The NVIDIA drivers provide support for NVIDIA graphic boards.

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

    -------------------------------------------------------------------
     Package                     /   Vulnerable   /         Unaffected
    -------------------------------------------------------------------
  1  x11-drivers/nvidia-drivers      < 100.14.09          >= 100.14.09
                                                          *>= 1.0.9639
                                                          *>= 1.0.7185

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

Gregory Shikhman discovered that the default Gentoo setup of NVIDIA
drivers creates the /dev/nvidia* with insecure file permissions.

Impact
======

A local attacker could send arbitrary values into the devices, possibly
resulting in hardware damage on the graphic board or a Denial of
Service.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All NVIDIA drivers users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose "x11-drivers/nvidia-drivers"

References
==========

  [ 1 ] CVE-2007-3532
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3532

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

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

  http://security.gentoo.org/glsa/glsa-200708-14.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@...too.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2007 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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