Red Hat Security Advisory 2021-0497-01 ≈ Packet Storm – Digitalmunition




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Published on February 11th, 2021 📆 | 1583 Views ⚑

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Red Hat Security Advisory 2021-0497-01 ≈ Packet Storm

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Red Hat Security Advisory

Synopsis: Moderate: openvswitch2.13 security and bug fix update
Advisory ID: RHSA-2021:0497-01
Product: Fast Datapath
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0497
Issue date: 2021-02-11
CVE Names: CVE-2020-27827 CVE-2020-35498
====================================================================
1. Summary:

An update for openvswitch2.13 is now available for Fast Datapath for Red
Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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:

Fast Datapath for Red Hat Enterprise Linux 8 – noarch, ppc64le, s390x, 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):

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

* lldp/openvswitch: 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(s) listed in the References section.

Bug Fix(es):

* [RFE] Add auto load balance params (BZ#1920121)

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
1920121 – [RFE] Add auto load balance params
1921438 – CVE-2020-27827 lldp/openvswitch: denial of service via externally triggered memory leak

6. Package List:

Fast Datapath for Red Hat Enterprise Linux 8:

Source:
openvswitch2.13-2.13.0-79.5.el8fdp.src.rpm

noarch:
openvswitch2.13-test-2.13.0-79.5.el8fdp.noarch.rpm

ppc64le:
network-scripts-openvswitch2.13-2.13.0-79.5.el8fdp.ppc64le.rpm
openvswitch2.13-2.13.0-79.5.el8fdp.ppc64le.rpm
openvswitch2.13-debuginfo-2.13.0-79.5.el8fdp.ppc64le.rpm
openvswitch2.13-debugsource-2.13.0-79.5.el8fdp.ppc64le.rpm
openvswitch2.13-devel-2.13.0-79.5.el8fdp.ppc64le.rpm
openvswitch2.13-ipsec-2.13.0-79.5.el8fdp.ppc64le.rpm
python3-openvswitch2.13-2.13.0-79.5.el8fdp.ppc64le.rpm
python3-openvswitch2.13-debuginfo-2.13.0-79.5.el8fdp.ppc64le.rpm

s390x:
network-scripts-openvswitch2.13-2.13.0-79.5.el8fdp.s390x.rpm
openvswitch2.13-2.13.0-79.5.el8fdp.s390x.rpm
openvswitch2.13-debuginfo-2.13.0-79.5.el8fdp.s390x.rpm
openvswitch2.13-debugsource-2.13.0-79.5.el8fdp.s390x.rpm
openvswitch2.13-devel-2.13.0-79.5.el8fdp.s390x.rpm
openvswitch2.13-ipsec-2.13.0-79.5.el8fdp.s390x.rpm
python3-openvswitch2.13-2.13.0-79.5.el8fdp.s390x.rpm
python3-openvswitch2.13-debuginfo-2.13.0-79.5.el8fdp.s390x.rpm

x86_64:
network-scripts-openvswitch2.13-2.13.0-79.5.el8fdp.x86_64.rpm
openvswitch2.13-2.13.0-79.5.el8fdp.x86_64.rpm
openvswitch2.13-debuginfo-2.13.0-79.5.el8fdp.x86_64.rpm
openvswitch2.13-debugsource-2.13.0-79.5.el8fdp.x86_64.rpm
openvswitch2.13-devel-2.13.0-79.5.el8fdp.x86_64.rpm
openvswitch2.13-ipsec-2.13.0-79.5.el8fdp.x86_64.rpm
python3-openvswitch2.13-2.13.0-79.5.el8fdp.x86_64.rpm
python3-openvswitch2.13-debuginfo-2.13.0-79.5.el8fdp.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-2020-27827
https://access.redhat.com/security/cve/CVE-2020-35498
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2021 Red Hat, Inc.
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