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             AUSCERT External Security Bulletin Redistribution

                               ESB-2016.0817
                  Important: openvswitch security update
                               31 March 2016

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           openvswitch
Publisher:         Red Hat
Operating System:  Red Hat Enterprise Linux Server 7
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Denial of Service               -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2016-2074  

Reference:         ESB-2016.0815
                   ESB-2016.0811

Original Bulletin: 
   https://rhn.redhat.com/errata/RHSA-2016-0537.html

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                   Red Hat Security Advisory

Synopsis:          Important: openvswitch security update
Advisory ID:       RHSA-2016:0537-01
Product:           Red Hat Enterprise Linux OpenStack Platform
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2016-0537.html
Issue date:        2016-03-30
CVE Names:         CVE-2016-2074 
=====================================================================

1. Summary:

An update for openvswitch is now available for Red Hat Enterprise Linux
OpenStack Platform 7.0 (Kilo) for RHEL 7.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux OpenStack Platform 7.0 for RHEL 7 - noarch, x86_64

3. Description:

Open vSwitch provides standard network bridging functions and support for
the OpenFlow protocol for remote per-flow control of traffic.

Security Fix(es):

* A buffer overflow flaw was discovered in the OVS processing of MPLS
labels. A remote attacker able to deliver a frame containing a malicious
MPLS label that would be processed by OVS could trigger the flaw and use
the resulting memory corruption to cause a denial of service (DoS) or,
possibly, execute arbitrary code. (CVE-2016-2074)

Red Hat would like to thank the Open vSwitch project for reporting this
issue. Upstream acknowledges Kashyap Thimmaraju and Bhargava Shastry as the
original reporters.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1318553 - CVE-2016-2074 openvswitch: MPLS buffer overflow vulnerability

6. Package List:

Red Hat Enterprise Linux OpenStack Platform 7.0 for RHEL 7:

Source:
openvswitch-2.4.0-2.el7_2.src.rpm
openvswitch-dpdk-2.4.0-0.10346.git97bab959.3.el7_2.src.rpm

noarch:
python-openvswitch-2.4.0-2.el7_2.noarch.rpm

x86_64:
openvswitch-2.4.0-2.el7_2.x86_64.rpm
openvswitch-debuginfo-2.4.0-2.el7_2.x86_64.rpm
openvswitch-dpdk-2.4.0-0.10346.git97bab959.3.el7_2.x86_64.rpm
openvswitch-dpdk-debuginfo-2.4.0-0.10346.git97bab959.3.el7_2.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2016-2074
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2016 Red Hat, Inc.
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