what you don't know can hurt you

Red Hat Security Advisory 2021-0497-01

Red Hat Security Advisory 2021-0497-01
Posted Feb 11, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0497-01 - Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic. Issues addressed include denial of service and memory leak vulnerabilities.

tags | advisory, remote, denial of service, vulnerability, protocol, memory leak
systems | linux, redhat
advisories | CVE-2020-27827, CVE-2020-35498
MD5 | b95fbb1685e26088f6a59efe341ca99a

Red Hat Security Advisory 2021-0497-01

Change Mirror Download
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

====================================================================
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 <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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¢Bq
-----END PGP SIGNATURE-----

--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://www.redhat.com/mailman/listinfo/rhsa-announce
Login or Register to add favorites

File Archive:

February 2021

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Feb 1st
    33 Files
  • 2
    Feb 2nd
    30 Files
  • 3
    Feb 3rd
    15 Files
  • 4
    Feb 4th
    8 Files
  • 5
    Feb 5th
    11 Files
  • 6
    Feb 6th
    2 Files
  • 7
    Feb 7th
    1 Files
  • 8
    Feb 8th
    37 Files
  • 9
    Feb 9th
    15 Files
  • 10
    Feb 10th
    11 Files
  • 11
    Feb 11th
    26 Files
  • 12
    Feb 12th
    8 Files
  • 13
    Feb 13th
    1 Files
  • 14
    Feb 14th
    1 Files
  • 15
    Feb 15th
    9 Files
  • 16
    Feb 16th
    33 Files
  • 17
    Feb 17th
    6 Files
  • 18
    Feb 18th
    10 Files
  • 19
    Feb 19th
    20 Files
  • 20
    Feb 20th
    1 Files
  • 21
    Feb 21st
    1 Files
  • 22
    Feb 22nd
    17 Files
  • 23
    Feb 23rd
    15 Files
  • 24
    Feb 24th
    16 Files
  • 25
    Feb 25th
    28 Files
  • 26
    Feb 26th
    25 Files
  • 27
    Feb 27th
    0 Files
  • 28
    Feb 28th
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2020 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close