CVE-2022-4338

Name: CVE-2022-4338
Creator: NVD / NIST
Published: 2023-01-10T22:15:14.007+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.32%

Last modified Jun 17, 2026

CVE-2022-4338 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An integer underflow in Organization Specific TLV was found in various versions of OpenvSwitch.. EPSS estimates a 1.32% chance of exploitation in the next 30 days.

Description

An integer underflow in Organization Specific TLV was found in various versions of OpenvSwitch.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.32%

67.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Openvswitch	Openvswitch	< 2.13.10
Openvswitch	Openvswitch	>= 2.14.0, < 2.14.8
Openvswitch	Openvswitch	>= 2.15.0, < 2.15.7
Openvswitch	Openvswitch	>= 2.16.0, < 2.16.6
Openvswitch	Openvswitch	>= 2.17.0, < 2.17.5
Openvswitch	Openvswitch	>= 3.0.0, < 3.0.3
Debian	Debian Linux	11.0

References

https://github.com/openvswitch/ovs/pull/405Patch, Third Party Advisory
https://mail.openvswitch.org/pipermail/ovs-dev/2022-December/400596.htmlMailing List, Patch, Vendor Advisory
https://security.gentoo.org/glsa/202311-16
https://www.debian.org/security/2023/dsa-5319Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/12/21/4Mailing List, Third Party Advisory
https://github.com/openvswitch/ovs/pull/405Patch, Third Party Advisory
https://mail.openvswitch.org/pipermail/ovs-dev/2022-December/400596.htmlMailing List, Patch, Vendor Advisory
https://security.gentoo.org/glsa/202311-16
https://www.debian.org/security/2023/dsa-5319Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/12/21/4Mailing List, Third Party Advisory

Timeline

Published: Jan 10, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-4338?

An integer underflow in Organization Specific TLV was found in various versions of OpenvSwitch.

How severe is CVE-2022-4338?

CVE-2022-4338 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.32% probability of exploitation in the next 30 days.

How do I fix CVE-2022-4338?

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-2022-4338?

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

Scan your code now

Source: NVD / NIST