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USN-5242-1: Open vSwitch vulnerability

20 January 2022

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

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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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Releases

Packages

Details

It was discovered that Open vSwitch incorrectly handled certain fragmented
packets. A remote attacker could possibly use this issue to cause Open
vSwitch to consume resources, leading to a denial of service.

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 21.10

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

References