1. Ubuntu Security Notices
  2. USN-6514-1

USN-6514-1: Open vSwitch vulnerability

Publication date

26 November 2023

Overview

Open vSwitch could be made to expose sensitive information over the network.

Releases

Packages

Details

It was discovered that Open vSwitch did not correctly handle OpenFlow
rules for ICMPv6 Neighbour Advertisement packets. A local attacker could
possibly use this issue to redirect traffic to arbitrary IP addresses.

It was discovered that Open vSwitch did not correctly handle OpenFlow
rules for ICMPv6 Neighbour Advertisement packets. A local attacker could
possibly use this issue to redirect traffic to arbitrary IP addresses.

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
20.04 focal openvswitch-common –  2.13.8-0ubuntu1.3
18.04 bionic openvswitch-common –  2.9.8-0ubuntu0.18.04.5+esm1  

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References

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