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[gentoo-announce] [ GLSA 201206-35 ] nbd: Multiple vulnerabilities

Posted on 25 June 2012
Gentoo-announce

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Gentoo Linux Security Advisory GLSA 201206-35
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http://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:

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

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


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