[RHSA-2016:0524-01] Important: openvswitch security update

[news 28]

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Red Hat Security Advisory

 

Synopsis: Important: openvswitch security update

Advisory ID: RHSA-2016:0524-01

Product: Red Hat Enterprise Linux OpenStack Platform

Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-0524.html

Issue date: 2016-03-30

CVE Names: CVE-2016-2074

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1. Summary:

 

An update for openvswitch is now available for Red Hat Enterprise Linux

OpenStack Platform 6.0 (Juno) 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 6.0 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 6.0 for RHEL 7:

 

Source:

openvswitch-2.4.0-2.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

 

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 . More contact

details at https://access.redhat.com/security/team/contact/

 

Copyright 2016 Red Hat, Inc.

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