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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: Red Hat OpenStack Platform 13.0 (openvswitch2.11)
 security update
Advisory ID:       RHSA-2021:2456-01
Product:           Red Hat OpenStack Platform
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:2456
Issue date:        2021-06-16
CVE Names:         CVE-2020-27827 CVE-2020-35498 
=====================================================================

1. Summary:

An update for openvswitch2.11 is now available for Red Hat OpenStack
Platform 13 (Queens).

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 OpenStack Platform 13.0 - noarch, ppc64le, 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):

* limitation in the OVS packet parsing in userspace leads to DoS
(CVE-2020-35498)

* denial of service via externally triggered memory leak (CVE-2020-27827)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page listed in the References section.

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/):

1908845 - CVE-2020-35498 openvswitch: limitation in the OVS packet parsing in
 userspace leads to DoS
1921438 - CVE-2020-27827 lldp/openvswitch: denial of service via externally
 triggered memory leak
1928901 - Include latest FDP release in RHOSP 13z16

6. Package List:

Red Hat OpenStack Platform 13.0:

Source:
openvswitch2.11-2.11.3-86.el7fdp.src.rpm

ppc64le:
openvswitch2.11-2.11.3-86.el7fdp.ppc64le.rpm
openvswitch2.11-debuginfo-2.11.3-86.el7fdp.ppc64le.rpm
openvswitch2.11-devel-2.11.3-86.el7fdp.ppc64le.rpm
python-openvswitch2.11-2.11.3-86.el7fdp.ppc64le.rpm

x86_64:
openvswitch2.11-2.11.3-86.el7fdp.x86_64.rpm
openvswitch2.11-debuginfo-2.11.3-86.el7fdp.x86_64.rpm
openvswitch2.11-devel-2.11.3-86.el7fdp.x86_64.rpm
python-openvswitch2.11-2.11.3-86.el7fdp.x86_64.rpm

Red Hat OpenStack Platform 13.0:

noarch:
openvswitch2.11-test-2.11.3-86.el7fdp.noarch.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-2020-27827
https://access.redhat.com/security/cve/CVE-2020-35498
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 2021 Red Hat, Inc.
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