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

Published Jun 16, 2021
·
Updated

Open vSwitch provides standard network bridging functions and support for<br>the OpenFlow protocol for remote per-flow control of traffic.<br>Security Fix(es):<br><li> limitation in the OVS packet parsing in userspace leads to DoS</li> (CVE-2020-35498)<br><li> denial of service via externally triggered memory leak (CVE-2020-27827)</li> For more details about the security issue(s), including the impact, a CVSS<br>score, acknowledgments, and other related information, refer to the CVE<br>page listed in the References section.

Affected Software

5 affected componentsFixes available
redhat/openvswitch2.11<2.11.3-86.el7fd
2.11.3-86.el7fd
redhat/openvswitch2.11-debuginfo<2.11.3-86.el7fd
2.11.3-86.el7fd
redhat/openvswitch2.11-devel<2.11.3-86.el7fd
2.11.3-86.el7fd
redhat/openvswitch2.11-test<2.11.3-86.el7fd
2.11.3-86.el7fd
redhat/python-openvswitch2.11<2.11.3-86.el7fd
2.11.3-86.el7fd

Remediation

Event History

Nov 23, 2024
Advisory Published
via Red Hat·02:26 AM
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Frequently Asked Questions

1

What is the severity of RHSA-2021:2456?

The severity of RHSA-2021:2456 is classified as important due to the denial of service vulnerability it addresses.

2

How do I fix RHSA-2021:2456?

To fix RHSA-2021:2456, update the affected Open vSwitch packages to version 2.11.3-86.el7fd or later.

3

What vulnerability does RHSA-2021:2456 address?

RHSA-2021:2456 addresses a denial of service vulnerability in Open vSwitch due to limitations in packet parsing.

4

What packages are affected by RHSA-2021:2456?

The affected packages include openvswitch2.11, openvswitch2.11-debuginfo, openvswitch2.11-devel, openvswitch2.11-test, and python-openvswitch2.11.

5

Is there a CVE associated with RHSA-2021:2456?

Yes, the associated CVE for RHSA-2021:2456 is CVE-2020-35498.

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