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CVE-2022-4337

32
FAUCET Score

CVE-2022-4337 is a critical out-of-bounds read vulnerability in the Organization Specific TLV component of OpenvSwitch, affecting various Debian and OpenvSwitch versions. With a CVSS score of 9.8, it presents a severe risk due to its network-based attack vector, low attack complexity, and potential for high impact on confidentiality, integrity, and availability. While there is no known active exploitation, public exploit code, or KEV listing, the vulnerability has garnered significant community discussion, indicating awareness and potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.13.10CPE matchmatch criteria
cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*
>= 2.14.0, < 2.14.8CPE matchmatch criteria
cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*
>= 2.15.0, < 2.15.7CPE matchmatch criteria
cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*
>= 2.16.0, < 2.16.6CPE matchmatch criteria
cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*
>= 2.17.0, < 2.17.5CPE matchmatch criteria
cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.32%
Probability of exploitation in next 30 days
EPSS Percentile
68.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0132 is in the 54th percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (13)

github_advisorypatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: cm1 openvswitch 2.15.7-1 on CBL Mariner 1.0Fixed in: 2.15.7-1
microsoftpatch availablevia msrc
Product: cbl2 openvswitch 2.17.5-1 on CBL Mariner 2.0Fixed in: 2.17.5-1
microsoftpatch availablevia msrc
Product: 17059-16823Fixed in: 2.17.5-1
microsoftpatch availablevia msrc
Product: 17058-16820Fixed in: 2.15.7-1
redhatpatch availablevia redhat_api
Product: Fast Datapath for Red Hat Enterprise Linux 8Fixed in: openvswitch2.17-0:2.17.0-71.el8fdp
View patch
redhatpatch availablevia redhat_api
Product: Fast Datapath for Red Hat Enterprise Linux 8Fixed in: openvswitch2.16-0:2.16.0-111.el8fdp
View patch
redhatpatch availablevia redhat_api
Product: Fast Datapath for Red Hat Enterprise Linux 9Fixed in: openvswitch2.17-0:2.17.0-62.el9fdp
View patch
redhatpatch availablevia redhat_api
Product: Fast Datapath for Red Hat Enterprise Linux 8Fixed in: openvswitch2.13-0:2.13.0-212.el8fdp
View patch
redhatpatch availablevia redhat_api
Product: Fast Datapath for Red Hat Enterprise Linux 8Fixed in: openvswitch2.15-0:2.15.0-133.el8fdp
View patch
redhatno patchvia redhat_api
Product: Fast Datapath for RHEL 7Fixed in: openvswitch2.10
redhatend of lifevia redhat_api
Product: Fast Datapath for RHEL 8Fixed in: openvswitch2.12
redhatend of lifevia redhat_api
Product: Fast Datapath for RHEL 7Fixed in: openvswitch2.12

Vendor Advisories (2)

microsoft2023-Jan/CVE-2022-4337Critical

An out-of-bounds read in Organization Specific TLV was found in various versions of OpenvSwitch.

Jan 10, 2023
redhatCVE-2022-4337Moderate

openvswitch: Out-of-Bounds Read in Organization Specific TLV

Dec 20, 2022

References

github.com / openvswitch/ovs/pull/405
PatchThird Party Advisory
mail.openvswitch.org / pipermail/ovs-dev/2022-December/400596.html
Mailing ListPatchVendor Advisory
security.gentoo.org / glsa/202311-16
debian.org / security/2023/dsa-5319
Third Party Advisory
openwall.com / lists/oss-security/2022/12/21/4
Mailing ListThird Party Advisory