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OpenAdvisories
Medium · 4.3 CVE-2023-3637 EUVD-2023-2132GHSA-r3jh-qhgj-gvr8PYSEC-2026-1694

Openstack-neutron: unrestricted creation of security groups (fix for cve-2022-3277)

Published Jul 25, 2023 · Updated Nov 20, 2025 · Assigned by redhat

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.

Affected products

VendorProductAffectedFixed
Red Hat Red Hat OpenStack Platform 16.2 — —
Red Hat Red Hat OpenStack Platform 13 (Queens) Operational Tools — —
Red Hat Red Hat OpenStack Platform 16.1 — —
Red Hat Red Hat OpenStack Platform 17.0 — —
Red Hat Red Hat OpenStack Platform 17.1 — —
Red Hat Red Hat OpenStack Platform 18.0 — —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Ubuntu 26.10 neutron No fix yet —
Ubuntu 26.04 LTS neutron No fix yet —
Ubuntu 25.10 neutron No fix yet —
Ubuntu 24.04 LTS neutron No fix yet —
Ubuntu 22.04 LTS neutron No fix yet —
Show 3 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu 20.04 LTS neutron No fix yet —
Ubuntu 18.04 LTS neutron No fix yet —
Ubuntu 16.04 LTS neutron No fix yet —
ReleasePackageFixed inAdvisory
Red Hat OpenStack 16 python3-neutron +9 1:15.3.5-2.20230216175503.el8ost RHSA-2023:4283

Affected packages

EcosystemPackageAffectedFixedRecord
PyPI neutron <= 22.0.2 — GHSA-r3jh-qhgj-gvr8

Advisories 2

References