CVE-2023-3153

Publication date 4 October 2023

Last updated 26 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

A flaw was found in Open Virtual Network where the service monitor MAC does not properly rate limit. This issue could allow an attacker to cause a denial of service, including on deployments with CoPP enabled and properly configured.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
ovn	23.10 mantic	Not affected
	23.04 lunar	Fixed 23.03.1-1ubuntu0.23.04.1
	22.10 kinetic	Ignored end of life, was deferred [2023-08-22]
	22.04 LTS jammy	Fixed 22.03.3-0ubuntu0.22.04.1
	20.04 LTS focal	Ignored end of standard support, was ignored [change too intrusive]
	18.04 LTS bionic	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
ovn	Upstream: https://mail.openvswitch.org/pipermail/ovs-dev/2023-August/407553.html Upstream: 9a3f7ed

Severity score breakdown

CVSS version: CVSS v3.0

Base score 5.3 · Medium

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality impact	None
Integrity impact	None
Availability impact	Low

Scores

Parameter	Value
Base score	5.3 · Medium
Exploitability score	-
Impact score	-

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L