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CVE-2023-3153

18
FAUCET Score

CVE-2023-3153 is a medium-severity denial-of-service vulnerability in Open Virtual Network (OVN), affecting various Red Hat products including Enterprise Linux, OpenShift Container Platform, and OVN itself. The flaw stems from insufficient rate limiting of the service monitor MAC, allowing an unauthenticated attacker to trigger a denial of service even with CoPP enabled. While the CVSS score is 5.3, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 22.03.3CPE matchmatch criteria
cpe:2.3:a:ovn:open_virtual_network:*:*:*:*:*:*:*:*
>= 22.03.4, < 22.09.2CPE matchmatch criteria
cpe:2.3:a:ovn:open_virtual_network:*:*:*:*:*:*:*:*
>= 22.09.3, < 22.12.1CPE matchmatch criteria
cpe:2.3:a:ovn:open_virtual_network:*:*:*:*:*:*:*:*
>= 22.12.2, < 23.03.1CPE matchmatch criteria
cpe:2.3:a:ovn:open_virtual_network:*:*:*:*:*:*:*:*
>= 23.03.2, < 23.06.1CPE matchmatch criteria
cpe:2.3:a:ovn:open_virtual_network:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.99%
Probability of exploitation in next 30 days
EPSS Percentile
59.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0099 is in the 37th percentile among its peer group of 23,684 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (21)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.11Fixed in: ovn22.12-0:22.12.1-18.el8fdp
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.13Fixed in: openshift4/ose-ovn-kubernetes:v4.13.0-202310141544.p0.g6f9d5cd.assembly.stream
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.13Fixed in: openshift4/ose-ovn-kubernetes-microshift-rhel9:v4.13.0-202310141544.p0.g6f9d5cd.assembly.stream
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.14Fixed in: ovn23.09-0:23.09.0-37.el9fdp
View patch
redhatno patchvia redhat_api
Product: Fast Datapath for RHEL 9Fixed in: ovn22.12
redhatno patchvia redhat_api
Product: Fast Datapath for RHEL 8Fixed in: ovn22.03
redhatno patchvia redhat_api
Product: Fast Datapath for RHEL 9Fixed in: ovn22.03
redhatend of lifevia redhat_api
Product: Fast Datapath for RHEL 8Fixed in: ovn-2021
redhatend of lifevia redhat_api
Product: Fast Datapath for RHEL 8Fixed in: ovn2.11
redhatend of lifevia redhat_api
Product: Fast Datapath for RHEL 8Fixed in: ovn2.12
redhatend of lifevia redhat_api
Product: Fast Datapath for RHEL 8Fixed in: ovn2.13
redhatend of lifevia redhat_api
Product: Fast Datapath for RHEL 9Fixed in: ovn22.09
redhatend of lifevia redhat_api
Product: Fast Datapath for RHEL 8Fixed in: ovn22.06
redhatend of lifevia redhat_api
Product: Fast Datapath for RHEL 8Fixed in: ovn22.09
redhatend of lifevia redhat_api
Product: Fast Datapath for RHEL 8Fixed in: ovn22.12
redhatend of lifevia redhat_api
Product: Fast Datapath for RHEL 9Fixed in: ovn-2021
redhatend of lifevia redhat_api
Product: Fast Datapath for RHEL 7Fixed in: ovn2.11
redhatend of lifevia redhat_api
Product: Fast Datapath for RHEL 9Fixed in: ovn22.06
redhatend of lifevia redhat_api
Product: Fast Datapath for RHEL 7Fixed in: ovn2.12
redhatend of lifevia redhat_api
Product: Fast Datapath for RHEL 7Fixed in: ovn2.13

Vendor Advisories (1)

redhatCVE-2023-3153Moderate

ovn: service monitor MAC flow is not rate limited

Jun 7, 2023

References

access.redhat.com / security/cve/CVE-2023-3153
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue Tracking
github.com / ovn-org/ovn/commit/9a3f7ed905e525ebdcb14541e775211cbb0203bd
Patch
github.com / ovn-org/ovn/issues/198
Issue Tracking
mail.openvswitch.org / pipermail/ovs-announce/2023-August/000327.html
MitigationPatch
mail.openvswitch.org / pipermail/ovs-dev/2023-August/407553.html
Patch