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USN-6514-1: Open vSwitch vulnerability

26 November 2023

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

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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.

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 20.04
Ubuntu 18.04

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

References

Related notices

  • USN-6690-1: openvswitch, openvswitch-doc, openvswitch-source, openvswitch-switch, openvswitch-test, openvswitch-testcontroller, openvswitch-pki, python3-openvswitch, openvswitch-common, openvswitch-switch-dpdk, openvswitch-ipsec, openvswitch-vtep

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Further reading