What is the vulnerability ID of this Open vSwitch vulnerability?

The vulnerability ID is USN-6514-1.

What is the impact of the Open vSwitch vulnerability?

The vulnerability allows a local attacker to redirect traffic to arbitrary IP addresses.

How can a local attacker exploit this Open vSwitch vulnerability?

The local attacker can exploit the vulnerability by manipulating OpenFlow rules for ICMPv6 Neighbour Advertisement packets.

Which versions of Open vSwitch are affected by this vulnerability?

The versions affected are openvswitch-common 2.13.8-0ubuntu1.3 and openvswitch-common 2.9.8-0ubuntu0.18.04.5+esm1.

How do I fix the Open vSwitch vulnerability?

To fix the vulnerability, update to version 2.13.8-0ubuntu1.3 for Ubuntu 20.04 or version 2.9.8-0ubuntu0.18.04.5+esm1 for Ubuntu 18.04.

Vulnerability/
USN-6514-1

26/11/2023

USN-6514-1: Open vSwitch vulnerability

First published: Sun Nov 26 2023(Updated: )

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.

Affected Software	Affected Version	How to fix
All of
ubuntu/openvswitch-common	<2.13.8-0ubuntu1.3	2.13.8-0ubuntu1.3
Ubuntu Ubuntu	=20.04
All of
ubuntu/openvswitch-common	<2.9.8-0ubuntu0.18.04.5+esm1	2.9.8-0ubuntu0.18.04.5+esm1
Ubuntu Ubuntu	=18.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

CVE-2023-5366

Frequently Asked Questions

What is the vulnerability ID of this Open vSwitch vulnerability?
The vulnerability ID is USN-6514-1.
What is the impact of the Open vSwitch vulnerability?
The vulnerability allows a local attacker to redirect traffic to arbitrary IP addresses.
How can a local attacker exploit this Open vSwitch vulnerability?
The local attacker can exploit the vulnerability by manipulating OpenFlow rules for ICMPv6 Neighbour Advertisement packets.
Which versions of Open vSwitch are affected by this vulnerability?
The versions affected are openvswitch-common 2.13.8-0ubuntu1.3 and openvswitch-common 2.9.8-0ubuntu0.18.04.5+esm1.
How do I fix the Open vSwitch vulnerability?
To fix the vulnerability, update to version 2.13.8-0ubuntu1.3 for Ubuntu 20.04 or version 2.9.8-0ubuntu0.18.04.5+esm1 for Ubuntu 18.04.

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