USN-6691-1: OVN vulnerability

12 March 2024

OVN could be made to disrupt traffic.

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Releases

Packages

  • ovn - system to support virtual network abstraction

Details

It was discovered that OVN incorrectly enabled OVS Bidirectional Forwarding
Detection on logical ports. A remote attacker could possibly use this issue
to disrupt traffic.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 23.10
Ubuntu 22.04
Ubuntu 20.04

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

References