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RedHat RHEL 7: RHSA-2020-0166-01 Moderate: openvswitch 2.11 DoS Threat

red hat
Calendar Grey January 21, 2020
Dist Redhat Esm H88
The Linux kernel team releases patches for v4.18 on CentOS8, fixing a notable bug that could lead to system instability during high load situations.
An update for openvswitch2.11 is now available for Fast Datapath for RHEL 7

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

Summary

Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic.
Security Fix(es):
* dpdk: possible memory leak leads to denial of service (CVE-2019-14818)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Bug Fix(es):
* [openvswitch] No traffic over GRE IPv6 tunnel - OVS issue (userspace) (BZ#1725623)
* [RHEL 7] [ovsdb-server] Allow replicating from older schema servers(BZ#1766586)
* measure the time needed by ovn-controller to resync to a new SB db (BZ#1776883)
* [ovs2.11] SSL connections drops are constantly logged in ovsdb-server-nb.log (BZ#1780745)

Topics%20covered

Topics Covered

security advisory moderate denial of service network security bug fix RHEL 7 openvswitch

References

https://access.redhat.com/security/cve/CVE-2019-14818 https://access.redhat.com/security/updates/classification#moderate

Package List

Channel to provide early releases to layered products:
Source: openvswitch2.11-2.11.0-35.el7fdp.src.rpm
noarch: openvswitch2.11-test-2.11.0-35.el7fdp.noarch.rpm
ppc64le: openvswitch2.11-2.11.0-35.el7fdp.ppc64le.rpm openvswitch2.11-debuginfo-2.11.0-35.el7fdp.ppc64le.rpm openvswitch2.11-devel-2.11.0-35.el7fdp.ppc64le.rpm python-openvswitch2.11-2.11.0-35.el7fdp.ppc64le.rpm
s390x: openvswitch2.11-2.11.0-35.el7fdp.s390x.rpm openvswitch2.11-debuginfo-2.11.0-35.el7fdp.s390x.rpm openvswitch2.11-devel-2.11.0-35.el7fdp.s390x.rpm python-openvswitch2.11-2.11.0-35.el7fdp.s390x.rpm
x86_64: openvswitch2.11-2.11.0-35.el7fdp.x86_64.rpm openvswitch2.11-debuginfo-2.11.0-35.el7fdp.x86_64.rpm openvswitch2.11-devel-2.11.0-35.el7fdp.x86_64.rpm python-openvswitch2.11-2.11.0-35.el7fdp.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


Advisory ID: RHSA-2020:0166-01
Product: Fast Datapath
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0166
Issue date: 2020-01-21

Topic

An update for openvswitch2.11 is now available for Fast Datapath for RHEL7.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate denial of service network security bug fix RHEL 7 openvswitch

Relevant Releases Architectures

Channel to provide early releases to layered products - noarch, ppc64le, s390x, x86_64

Bugs Fixed

1737327 - CVE-2019-14818 dpdk: possible memory leak leads to denial of service

1766586 - [RHEL 7] [ovsdb-server] Allow replicating from older schema servers1776883 - measure the time needed by ovn-controller to resync to a new SB db

1780745 - [ovs2.11] SSL connections drops are constantly logged in ovsdb-server-nb.log

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