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.

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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.

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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.

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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

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Further reading