CVE-2022-3277

Publication date 6 March 2023

Last updated 18 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

An uncontrolled resource consumption flaw was found in openstack-neutron. This flaw allows a remote authenticated user to query a list of security groups for an invalid project. This issue creates resources that are unconstrained by the user's quota. If a malicious user were to submit a significant number of requests, this could lead to a denial of service.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
neutron	25.10 questing	Not affected
	25.04 plucky	Not affected
	24.10 oracular	Not affected
	24.04 LTS noble	Not affected
	23.10 mantic	Not affected
	23.04 lunar	Not affected
	22.10 kinetic	Not affected
	22.04 LTS jammy	Fixed 2:20.3.0-0ubuntu1.1
	20.04 LTS focal	Fixed 2:16.4.2-0ubuntu6.2
	18.04 LTS bionic	Fixed 2:12.1.1-0ubuntu8.1
	16.04 LTS xenial	Needs evaluation
	14.04 LTS trusty	Ignored end of standard support

Notes

mdeslaur

This issue was fixed in (2:20.3.0-0ubuntu1) in jammy-proposed, and was later released to -security.

Patch details

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

Package	Patch details
neutron	Upstream: 01fc2b9 Upstream: fd7fb0e Upstream: 717e3e0 Upstream: 733ef4f Upstream: d0e1b54 Upstream: cbeee87

Severity score breakdown

Parameter	Value
Base score	6.5 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H