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Gentoo Linux Security Advisory                           GLSA 201206-35
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                                            https://security.gentoo.org/
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 Severity: High
    Title: nbd: Multiple vulnerabilities
     Date: June 25, 2012
     Bugs: #353097, #372891
       ID: 201206-35

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Synopsis
=======
Multiple vulnerabilities were found in nbd, which could lead to remote
execution of arbitrary code.

Background
=========
nbd is a userland client/server for kernel network block device.

Affected packages
================
    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  sys-block/nbd                < 2.9.22                  >= 2.9.22

Description
==========
Multiple vulnerabilities have been discovered in nbd. Please review the
CVE identifiers referenced below for details.

Impact
=====
nbd allows remote attackers to cause a denial of service (NULL pointer
dereference and crash) or the execution of arbitrary code.

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

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

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=sys-block/nbd-2.9.22"

References
=========
[ 1 ] CVE-2011-0530
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-0530
[ 2 ] CVE-2011-1925
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1925

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

 https://security.gentoo.org/glsa/201206-35

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 2012 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.

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