1. Ubuntu Security Notices
  2. USN-5065-1

USN-5065-1: Open vSwitch vulnerability

Publication date

8 September 2021

Overview

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

Releases

Packages

Details

It was discovered that Open vSwitch incorrectly handled decoding RAW_ENCAP
actions. A remote attacker could use this issue to cause Open vSwitch to
crash, resulting in a denial of service, or possibly execute arbitrary
code.

It was discovered that Open vSwitch incorrectly handled decoding RAW_ENCAP
actions. A remote attacker could use this issue to cause Open vSwitch to
crash, resulting in a denial of service, or possibly execute arbitrary
code.

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
21.04 hirsute openvswitch-common –  2.15.0-0ubuntu3.1
20.04 focal openvswitch-common –  2.13.3-0ubuntu0.20.04.2

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References

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