Resource exhaustion in Ovn Open Virtual Network
CVE-2023-3153
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.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.010 (62.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 63rd percentile — 62.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Ovn Open Virtual Network
- Fedora
- Red Hat Fast Datapath For Rhel 7
- Red Hat Fast Datapath For Rhel 8
- Red Hat Fast Datapath For Rhel 9
- Red Hat Openshift Container Platform 4
- Red Hat OpenStack Platform 13 (Queens)
- Red Hat Enterprise Linux — versions 9.0
- Red Hat Fast Datapath
- Red Hat Openshift Container Platform — versions 4.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- access.redhat.com/security/cve/CVE-2023-3153 (Third Party Advisory, vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (issue-tracking, 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 (Patch, Mitigation)
- mail.openvswitch.org/pipermail/ovs-dev/2023-August/407553.html (Patch)
Frequently asked questions
- What is CVE-2023-3153?
- CVE-2023-3153 is a medium-severity vulnerability in Ovn Open Virtual Network, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2023-10-04.
- How severe is CVE-2023-3153?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2023-3153 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.