VDB-205559 · CVE-2022-37394 · GCVE-0-2022-37394

OpenStack Nova up to 23.2.1/24.1.1/25.0.1 Neutron Port denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.4	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in OpenStack Nova up to 23.2.1/24.1.1/25.0.1. This affects an unknown part of the component Neutron Port Handler. The manipulation leads to denial of service. This vulnerability is traded as CVE-2022-37394. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in OpenStack Nova up to 23.2.1/24.1.1/25.0.1 (Cloud Software). It has been rated as problematic. This issue affects an unknown code of the component Neutron Port Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

An issue was discovered in OpenStack Nova before 23.2.2, 24.x before 24.1.2, and 25.x before 25.0.2. By creating a neutron port with the direct vnic_type, creating an instance bound to that port, and then changing the vnic_type of the bound port to macvtap, an authenticated user may cause the compute service to fail to restart, resulting in a possible denial of service. Only Nova deployments configured with SR-IOV are affected.

The weakness was shared 08/03/2022. It is possible to read the advisory at bugs.launchpad.net. The identification of this vulnerability is CVE-2022-37394 since 08/03/2022. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 23.2.2, 24.1.2 or 25.0.2 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Cloud Software

Vendor

OpenStack

Name

Nova

Version

License

free

Website

Vendor: https://www.openstack.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.4
VulDB Meta Temp Score: 3.3

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.3
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Nova 23.2.2/24.1.2/25.0.2

Timelineinfo

08/03/2022 🔍
08/03/2022 +0 days 🔍
08/03/2022 +0 days 🔍
08/30/2022 +27 days 🔍

Sourcesinfo

Vendor: openstack.org

Advisory: bugs.launchpad.net
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-37394 (🔍)
GCVE (CVE): GCVE-0-2022-37394
GCVE (VulDB): GCVE-100-205559

Entryinfo

Created: 08/03/2022 13:34
Updated: 08/30/2022 09:31
Changes: 08/03/2022 13:34 (42), 08/30/2022 09:31 (10)
Complete: 🔍
Cache ID: 216::103