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No exploitation reportedFix available

CVE-2022-32166

No exploitation reported by the sources we read.

  • Published2022-09-28
  • WeaknessCWE-125

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

In ovs versions v0.90.0 through v2.5.0 are vulnerable to heap buffer over-read in flow.c. An unsafe comparison of “minimasks” function could lead access to an unmapped region of memory. This vulnerability is capable of crashing the software, memory modification, and possible remote execution.

Timeline

dates in UTC
  1. 2022-09-2810:15CVE publishedNVD

Versions per branch

NVD
Cloudbase open vswitch
BranchAffectedFixed in
2.5≥ 0.90.0, ≤ 2.5.0no fix published
Debian debian linux
BranchAffectedFixed in
10.0= 10.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As Mend, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • ovs
    Affected
    • = v0.90.0no fix statedcustom
    • ≤ v2.5.0no fix statedcustom

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2022-10-29

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • dpdkSUSE:Linux Enterprise Module for Package Hub 15 SP4all versions · fixed in 18.11.9-150100.4.23.1
  • dpdkopenSUSE:Leap 15.4all versions · fixed in 18.11.9-150100.4.23.1
  • openvswitchUbuntu:Pro:16.04:LTSall versions · fixed in 2.5.9-0ubuntu0.16.04.3+esm1
  • openvswitchUbuntu:18.04:LTSall versions · fixed in 2.9.8-0ubuntu0.18.04.3
  • openvswitchSUSE:OpenStack Cloud Crowbar 9all versions · fixed in 2.8.10-4.33.1
  • openvswitchSUSE:OpenStack Cloud 9all versions · fixed in 2.8.10-4.33.1
  • openvswitchSUSE:Linux Enterprise Server for SAP Applications 12 SP5all versions · fixed in 2.11.5-3.12.1
  • openvswitchSUSE:Linux Enterprise Server for SAP Applications 12 SP4all versions · fixed in 2.8.10-4.33.1

10 more package ranges on OSV.dev

Vendor advisories

  • CVE-2022-32166 Red Hat Product Security4 known affected

    openvswitch: Heap buffer over-read in flow.c

    openvswitch-controller as a component of Red Hat Enterprise Linux 7 · openvswitch-test as a component of Red Hat Enterprise Linux 7 · openvswitch.src as a component of Red Hat Enterprise Linux 7 · +1 more

Full record on NVD

Fix

  1. No fix available, says the vendor Red Hat Product Security CVE-2022-32166 · 4 productsAffected

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
Published
2022-09-28
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-3q99-mmr6-6chg

Frequently asked questions

What is CVE-2022-32166?

In ovs versions v0.90.0 through v2.5.0 are vulnerable to heap buffer over-read in flow.c. An unsafe comparison of “minimasks” function could lead access to an unmapped region of memory. This vulnerability is capable of crashing the software, memory modification, and possible remote execution.

Is CVE-2022-32166 actively exploited?

Active exploitation of CVE-2022-32166 has not been confirmed. Its EPSS score was 0.6% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-32166?

CVE-2022-32166 has a CVSS v3 base score of 6.1 (MEDIUM severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H.

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