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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.




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.

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.