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CVE-2023-3153

Service monitor mac flow is not rate limited

MEDIUM
5.3
CVSS Score
Published: October 4, 2023 at 11:13 AM UTC
Updated: June 17, 2026 at 06:13 AM UTC
5 products affected across 3 vendorsOpenShift Container PlatformFast DatapathOpen Virtual Network

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Severity
MEDIUM5.3
Exploit prediction
EPSS 1.0%
SSVC
No known exploit

Description

A flaw was found in Open Virtual Network where the service monitor MAC does not properly rate limit. This issue could allow an attacker to cause a denial of service, including on deployments with CoPP enabled and properly configured.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Open Virtual Network· Ovn
95%
v < 22.03.322.03.4 ≤ v < 22.09.222.09.3 ≤ v < 22.12.122.12.2 ≤ v < 23.03.123.03.2 ≤ v < 23.06.1
Affected range stops below 22.03.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 22.09.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 22.12.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 23.03.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 23.06.1, so it looks safe — our inference, not a vendor statement
Fast Datapath· Red Hatrpm
95%
All versions
redhat-enterprise-linux (environment)
OpenShift Container Platform· Red Hatcontainer
95%
4.0
Fedora· Fedora Projectrpm
60%
All versions
Enterprise Linux· Red Hatrpmdevice
80%
All versions

References (6)

VDB Entryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/security/cve/CVE-2023-3153
Issue Trackingx_refsource_REDHAT
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2213279
Patch
Source: [email protected]
https://github.com/ovn-org/ovn/commit/9a3f7ed905e525ebdcb14541e775211cbb0203bd
Issue Tracking
Source: [email protected]
https://github.com/ovn-org/ovn/issues/198
MitigationPatch
Source: [email protected]
https://mail.openvswitch.org/pipermail/ovs-announce/2023-August/000327.html
Patch
Source: [email protected]
https://mail.openvswitch.org/pipermail/ovs-dev/2023-August/407553.html

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMredhat
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400CWE-770

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