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

Synopsis:          Moderate: openvswitch2.11 security update
Advisory ID:       RHSA-2021:0834-01
Product:           Fast Datapath
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:0834
Issue date:        2021-03-15
CVE Names:         CVE-2020-27827 CVE-2020-35498 
====================================================================
1. Summary:

An update for openvswitch2.11 is now available in Fast Datapath for Red Hat
Enterprise Linux 7.

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 7 - 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.

4. Solution:

For details on how to apply this update, 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

6. Package List:

Fast Datapath for Red Hat Enterprise Linux 7:

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

noarch:
openvswitch2.11-test-2.11.3-86.el7fdp.noarch.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

s390x:
openvswitch2.11-2.11.3-86.el7fdp.s390x.rpm
openvswitch2.11-debuginfo-2.11.3-86.el7fdp.s390x.rpm
openvswitch2.11-devel-2.11.3-86.el7fdp.s390x.rpm
python-openvswitch2.11-2.11.3-86.el7fdp.s390x.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

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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RedHat: RHSA-2021-0834:01 Moderate: openvswitch2.11 security update

An update for openvswitch2.11 is now available in Fast Datapath for Red Hat Enterprise Linux 7

Summary

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.



Summary


Solution

For details on how to apply this update, refer to:
https://access.redhat.com/articles/11258

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

Package List

Fast Datapath for Red Hat Enterprise Linux 7:
Source: openvswitch2.11-2.11.3-86.el7fdp.src.rpm
noarch: openvswitch2.11-test-2.11.3-86.el7fdp.noarch.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
s390x: openvswitch2.11-2.11.3-86.el7fdp.s390x.rpm openvswitch2.11-debuginfo-2.11.3-86.el7fdp.s390x.rpm openvswitch2.11-devel-2.11.3-86.el7fdp.s390x.rpm python-openvswitch2.11-2.11.3-86.el7fdp.s390x.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
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/


Severity
Advisory ID: RHSA-2021:0834-01
Product: Fast Datapath
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0834
Issued Date: : 2021-03-15
CVE Names: CVE-2020-27827 CVE-2020-35498

Topic

An update for openvswitch2.11 is now available in Fast Datapath for Red HatEnterprise Linux 7.Red Hat Product Security has rated this update as having a security impactofModerate. 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.


Topic


 

Relevant Releases Architectures

Fast Datapath for Red Hat Enterprise Linux 7 - noarch, ppc64le, s390x, x86_64


Bugs Fixed

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


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