- Vulnerability/
- RHSA-2021:0835
RHSA-2021:0835: Moderate: openvswitch2.13 security update
First published: Mon Mar 15 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> openvswitch: limitation in the OVS packet parsing in userspace leads to DoS (CVE-2020-35498)</li> <li> lldp/openvswitch: 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 page(s) listed in the References section.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/openvswitch2.13 | <2.13.0-81.el7fd | 2.13.0-81.el7fd |
| redhat/openvswitch2.13-debuginfo | <2.13.0-81.el7fd | 2.13.0-81.el7fd |
| redhat/openvswitch2.13-devel | <2.13.0-81.el7fd | 2.13.0-81.el7fd |
| redhat/openvswitch2.13-ipsec | <2.13.0-81.el7fd | 2.13.0-81.el7fd |
| redhat/openvswitch2.13-test | <2.13.0-81.el7fd | 2.13.0-81.el7fd |
| redhat/python3-openvswitch2.13 | <2.13.0-81.el7fd | 2.13.0-81.el7fd |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2021:0835?
The severity of RHSA-2021:0835 is classified as moderate.
How do I fix RHSA-2021:0835?
To fix RHSA-2021:0835, upgrade Open vSwitch to version 2.13.0-81.el7fd or later.
What vulnerabilities are addressed in RHSA-2021:0835?
RHSA-2021:0835 addresses a limitation in the OVS packet parsing in userspace that can lead to a Denial of Service (DoS), identified by CVE-2020-35498.
Which Open vSwitch packages are affected by RHSA-2021:0835?
Affected packages under RHSA-2021:0835 include openvswitch2.13, openvswitch2.13-debuginfo, openvswitch2.13-devel, and others from this version.
What is the impact of the vulnerability in RHSA-2021:0835?
The vulnerability in RHSA-2021:0835 could allow an attacker to cause a Denial of Service (DoS) condition in Open vSwitch.
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