Vulnerability record · CVE-2022-37394 · published 3 August 2022

CVE-2022-37394: Openstack nova vulnerability

Openstack · Nova

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.

3.3 CVSS 3.1 Low EPSS 0.31% · top 78.7%

3.3CVSS 3.1 base score

0.31%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

6References, 2 tagged exploit

17 Jun 2026Last modified by NVD

Description

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Nova Openstack

References

Link	Tags
https://bugs.launchpad.net/ossa/+bug/1981813	ExploitIssue TrackingThird Party Advisory
https://review.opendev.org/c/openstack/nova/+/849985	PatchThird Party Advisory
https://review.opendev.org/c/openstack/nova/+/850003	Third Party Advisory
https://bugs.launchpad.net/ossa/+bug/1981813	ExploitIssue TrackingThird Party Advisory
https://review.opendev.org/c/openstack/nova/+/849985	PatchThird Party Advisory
https://review.opendev.org/c/openstack/nova/+/850003	Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2017-7214Openstack nova sensitive information in log file vulnerabilityAn issue was discovered in exception_wrapper.py in OpenStack Nova 13.x through 13.1.3, 14.x through 14.0.4, and 15.x through 15.0.1. Legacy notificat…EPSS 2.3%21 Mar 2017 8.6CVE-2011-3147Openstack nova information exposure vulnerabilityVersions of nova before 2012.1 could expose hypervisor host files to a guest operating system when processing a maliciously constructed qcow filesyst…EPSS 0.74%22 Apr 2019 8.6CVE-2017-17051Openstack nova uncontrolled resource consumption vulnerabilityAn issue was discovered in the default FilterScheduler in OpenStack Nova 16.0.3. By repeatedly rebuilding an instance with new images, an authenticat…EPSS 2.0%5 Dec 2017 8.5CVE-2026-46448Openstack nova vulnerabilityIn OpenStack Nova before 33.0.2, the server create API does not strip certain hint data. The resulting instance has no Placement allocation.EPSS 0.46%16 Jun 2026 8.3CVE-2020-17376Openstack nova xml external entity (xxe) vulnerabilityAn issue was discovered in Guest.migrate in virt/libvirt/guest.py in OpenStack Nova before 19.3.1, 20.x before 20.3.1, and 21.0.0. By performing a so…EPSS 1.7%26 Aug 2020 7.5CVE-2017-18191Openstack nova vulnerabilityAn issue was discovered in OpenStack Nova 15.x through 15.1.0 and 16.x through 16.1.1. By detaching and reattaching an encrypted volume, an attacker …EPSS 3.7%19 Feb 2018 7.5CVE-2015-5162Openstack cinder vulnerabilityThe image parser in OpenStack Cinder 7.0.2 and 8.0.0 through 8.1.1; Glance before 11.0.1 and 12.0.0; and Nova before 12.0.4 and 13.0.0 does not prope…EPSS 3.1%7 Oct 2016 6.8CVE-2015-3280Openstack nova vulnerabilityOpenStack Compute (nova) before 2014.2.4 (juno) and 2015.1.x before 2015.1.2 (kilo) does not properly delete instances from compute nodes, which allo…EPSS 3.4%26 Oct 2015

Source: NIST National Vulnerability Database (record CVE-2022-37394), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.