3.3

CVE-2022-37394: openstack nova

CVSS: 3.3v3.1LowModified
AliasesGHSA-v725-c588-h936PYSEC-2026-882RHSA-2023:1948
Published 03-08-2022Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2022-37394 is a low (CVSS 3.3) vulnerability in openstack nova. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 22.2% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
23/100
0100
Low · default modelHow is this calculated?
CVSS score
3.3/10
010
Low · v3.1 (NVD)
EPSS score
0.31%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
USN-5866-1

Timeline

  1. 03-08-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.31%

Chance of exploitation in the next 30 days

Percentile

22%

Versus all other CVEs

30-day change

0.00 pp

From 0.31% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.31%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (bugs.launchpad.net)

    Maturity: unknown

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Debian1 product
  • nova< 2:26.0.0~rc1-3
Openstack1 product
  • nova< 23.2.2 | ≥ 24.0.0, < 24.1.2 | ≥ 25.0.0, < 25.0.2
PyPI1 product
  • nova< 23.2.2 | ≥ 24.0.0, < 24.1.2 | ≥ 25.0.0, < 25.0.2
Redhat1 product
  • openstack-nova< 1:20.6.2-2.20230308185148.fc01371.el8ost
Ubuntu1 product
  • nova< 2:21.2.4-0ubuntu2.2 | < 3:25.1.0-0ubuntu1

5 vendors · 5 products

References

31 links
Show all 31 references