Issued:
2021-06-16
Updated:
2021-06-16

RHSA-2021:2456 - Important: Red Hat OpenStack Platform 13.0 openvswitch2.11 - security update

Synopsis

Important: Red Hat OpenStack Platform 13.0 (openvswitch2.11) security update

Type/Severity

Security Advisory Important

Topic

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.

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.

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

Affected Products

ProductVersionArch
Red Hat OpenStack13x86_64
Red Hat OpenStack for IBM Power13ppc64le

Updated Packages

  • openvswitch2.11-debuginfo-2.11.3-86.el7fdp.ppc64le.rpm
  • python-openvswitch2.11-2.11.3-86.el7fdp.ppc64le.rpm
  • openvswitch2.11-2.11.3-86.el7fdp.src.rpm
  • openvswitch2.11-2.11.3-86.el7fdp.x86_64.rpm
  • python-openvswitch2.11-2.11.3-86.el7fdp.x86_64.rpm
  • openvswitch2.11-2.11.3-86.el7fdp.ppc64le.rpm
  • openvswitch2.11-debuginfo-2.11.3-86.el7fdp.x86_64.rpm
  • openvswitch2.11-devel-2.11.3-86.el7fdp.x86_64.rpm
  • openvswitch2.11-test-2.11.3-86.el7fdp.noarch.rpm
  • openvswitch2.11-devel-2.11.3-86.el7fdp.ppc64le.rpm

Fixes

CVEs

References

Additional information