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March 2011

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Subject:
From:
Troy Dawson <[log in to unmask]>
Reply To:
Troy Dawson <[log in to unmask]>
Date:
Fri, 4 Mar 2011 15:33:09 -0600
Content-Type:
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Synopsis:	Important: libcgroup security update
Issue date:	2011-03-03
CVE Names:	CVE-2011-1006 CVE-2011-1022

A heap-based buffer overflow flaw was found in the way libcgroup 
converted a list of user-provided controllers for a particular task into 
an array of strings. A local attacker could use this flaw to escalate 
their privileges via a specially-crafted list of controllers. 
(CVE-2011-1006)

It was discovered that libcgroup did not properly check the origin of
Netlink messages. A local attacker could use this flaw to send crafted
Netlink messages to the cgrulesengd daemon, causing it to put processes
into one or more existing control groups, based on the attacker's 
choosing, possibly allowing the particular tasks to run with more 
resources (memory, CPU, etc.) than originally intended. (CVE-2011-1022)

SL 6.x

      SRPMS:
libcgroup-0.36.1-6.el6_0.1.src.rpm
      i386:
libcgroup-0.36.1-6.el6_0.1.i686.rpm
libcgroup-devel-0.36.1-6.el6_0.1.i686.rpm
libcgroup-pam-0.36.1-6.el6_0.1.i686.rpm
      x86_64:
libcgroup-0.36.1-6.el6_0.1.i686.rpm
libcgroup-0.36.1-6.el6_0.1.x86_64.rpm
libcgroup-devel-0.36.1-6.el6_0.1.i686.rpm
libcgroup-devel-0.36.1-6.el6_0.1.x86_64.rpm
libcgroup-pam-0.36.1-6.el6_0.1.i686.rpm
libcgroup-pam-0.36.1-6.el6_0.1.x86_64.rpm

-Connie Sieh
-Troy Dawson

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