USN-4729-1: Open vSwitch vulnerability

Publication date

10 February 2021

Overview

Open vSwitch could be made to crash or perform unexpectedly if it received specially crafted network traffic.


Packages

Details

Joakim Hindersson discovered that Open vSwitch incorrectly parsed certain
network packets. A remote attacker could use this issue to cause a denial
of service, or possibly alter packet classification.

Joakim Hindersson discovered that Open vSwitch incorrectly parsed certain
network packets. A remote attacker could use this issue to cause a denial
of service, or possibly alter packet classification.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
20.10 groovy openvswitch-common –  2.13.1-0ubuntu1.3
20.04 focal openvswitch-common –  2.13.1-0ubuntu0.20.04.4
18.04 bionic openvswitch-common –  2.9.8-0ubuntu0.18.04.2
16.04 xenial openvswitch-common –  2.5.9-0ubuntu0.16.04.3

Reduce your security exposure

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Have additional questions?

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