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

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.4$0-$5k0.00

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.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 3.3
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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 (🔍)

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: 🔍

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