USN-4729-1: Open vSwitch vulnerability

10 February 2021

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

Releases

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.

Update instructions

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

Ubuntu 20.10
Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04

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

References