CVE-2022-32166

Name: CVE-2022-32166
Creator: NVD / NIST
Published: 2022-09-28T10:15:09.56+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.53%

Last modified Jun 17, 2026

CVE-2022-32166 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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. EPSS estimates a 0.53% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.53%

40.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Cloudbase	Open Vswitch	>= 0.90.0, <= 2.5.0
Debian	Debian Linux	10.0

References

https://github.com/cloudbase/ovs/commit/2ed6505555cdcb46f9b1f0329d1491b75290fc73Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/10/msg00036.htmlMailing List, Third Party Advisory
https://www.mend.io/vulnerability-database/CVE-2022-32166Third Party Advisory
https://github.com/cloudbase/ovs/commit/2ed6505555cdcb46f9b1f0329d1491b75290fc73Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/10/msg00036.htmlMailing List, Third Party Advisory
https://www.mend.io/vulnerability-database/CVE-2022-32166Third Party Advisory

Timeline

Published: Sep 28, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-32166?

How severe is CVE-2022-32166?

CVE-2022-32166 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.

How do I fix CVE-2022-32166?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-32166?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST