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TUCoPS :: Linux :: Gentoo :: bx1364.htm

OpenAFS: Denial of Service



OpenAFS: Denial of Service
OpenAFS: Denial of Service



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Gentoo Linux Security Advisory                           GLSA 200801-04
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http://security.gentoo.org/ 
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  Severity: Normal
     Title: OpenAFS: Denial of Service
      Date: January 09, 2008
      Bugs: #203573
        ID: 200801-04

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Synopsis
=======
A Denial of Service vulnerability has been discovered in OpenAFS.

Background
=========
OpenAFS is a distributed network filesystem.

Affected packages
================
    -------------------------------------------------------------------
     Package         /  Vulnerable  /                       Unaffected
    -------------------------------------------------------------------
  1  net-fs/openafs       < 1.4.6                             >= 1.4.6

Description
==========
Russ Allbery, Jeffrey Altman, Dan Hyde and Thomas Mueller discovered a
race condition due to an improper handling of the clients callbacks
lists.

Impact
=====
A remote attacker could construct cases which trigger the race
condition, resulting in a server crash.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All OpenAFS users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-fs/openafs-1.4.6"

References
=========
  [ 1 ] CVE-2007-6599
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6599 

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

http://security.gentoo.org/glsa/glsa-200801-04.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 
http://bugs.gentoo.org. 

License
======
Copyright 2008 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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