Ovn: insufficient validation of bfd packets may lead to denial of service

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2024-2182
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-03-12 17:15:59 UTC
Updated2026-10-19 11:17:15 UTC
DescriptionA flaw was found in the Open Virtual Network (OVN). In OVN clusters where BFD is used between hypervisors for high availability, an attacker can inject specially crafted BFD packets from inside unprivileged workloads, including virtual machines or containers, that can trigger a denial of service.

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from [email protected]

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

Problem Types: CWE-346 | CWE-346 Origin Validation Error

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
3.1CNACVSS6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Red Hat Fast Datapath For Red Hat Enterprise Linux 8 unaffected 0:23.06.1-112.el8fdp * rpm Not specified
CNA Red Hat Fast Datapath For Red Hat Enterprise Linux 8 unaffected 0:22.12.1-94.el8fdp * rpm Not specified
CNA Red Hat Fast Datapath For Red Hat Enterprise Linux 8 unaffected 0:22.03.3-71.el8fdp * rpm Not specified
CNA Red Hat Fast Datapath For Red Hat Enterprise Linux 8 unaffected 0:23.03.1-100.el8fdp * rpm Not specified
CNA Red Hat Fast Datapath For Red Hat Enterprise Linux 8 unaffected 0:21.12.0-142.el8fdp * rpm Not specified
CNA Red Hat Fast Datapath For Red Hat Enterprise Linux 9 unaffected 0:23.09.0-136.el9fdp * rpm Not specified
CNA Red Hat Fast Datapath For Red Hat Enterprise Linux 9 unaffected 0:23.06.1-112.el9fdp * rpm Not specified
CNA Red Hat Fast Datapath For Red Hat Enterprise Linux 9 unaffected 0:22.12.1-94.el9fdp * rpm Not specified
CNA Red Hat Fast Datapath For Red Hat Enterprise Linux 9 unaffected 0:22.03.3-71.el9fdp * rpm Not specified
CNA Red Hat Fast Datapath For Red Hat Enterprise Linux 9 unaffected 0:23.03.1-100.el9fdp * rpm Not specified
CNA Red Hat Fast Datapath For RHEL 10 Not specified Not specified
CNA Red Hat Fast Datapath For RHEL 10 Not specified Not specified
CNA Red Hat Fast Datapath For RHEL 10 Not specified Not specified
CNA Red Hat Fast Datapath For RHEL 7 Not specified Not specified
CNA Red Hat Fast Datapath For RHEL 7 Not specified Not specified
CNA Red Hat Fast Datapath For RHEL 7 Not specified Not specified
CNA Red Hat Fast Datapath For RHEL 8 Not specified Not specified
CNA Red Hat Fast Datapath For RHEL 8 Not specified Not specified
CNA Red Hat Fast Datapath For RHEL 8 Not specified Not specified
CNA Red Hat Fast Datapath For RHEL 8 Not specified Not specified
CNA Red Hat Fast Datapath For RHEL 8 Not specified Not specified
CNA Red Hat Fast Datapath For RHEL 9 Not specified Not specified
CNA Red Hat Fast Datapath For RHEL 9 Not specified Not specified
CNA Red Hat Fast Datapath For RHEL 9 Not specified Not specified
CNA Red Hat Fast Datapath For RHEL 9 Not specified Not specified
CNA Red Hat Fast Datapath For RHEL 9 Not specified Not specified
CNA Red Hat Fast Datapath For RHEL 9 Not specified Not specified
CNA Red Hat Fast Datapath For RHEL 9 Not specified Not specified
CNA Red Hat Fast Datapath For RHEL 9 Not specified Not specified
CNA Red Hat Red Hat OpenShift Container Platform 4 Not specified Not specified
CNA Red Hat Red Hat OpenShift Container Platform 4 Not specified Not specified
CNA Red Hat Red Hat OpenShift Container Platform 4 Not specified Not specified
CNA Red Hat Red Hat OpenShift Container Platform 4 Not specified Not specified
CNA Red Hat Red Hat OpenShift Container Platform 4 Not specified Not specified
CNA Red Hat Red Hat OpenShift Container Platform 4 Not specified Not specified
CNA Red Hat Red Hat OpenShift Container Platform 4 Not specified Not specified
CNA Red Hat Red Hat OpenShift Container Platform 4 Not specified Not specified
CNA Red Hat Red Hat OpenStack Platform 13 Queens Not specified Not specified

References

ReferenceSourceLinkTags
bugzilla.redhat.com/show_bug.cgi af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com
www.openwall.com/lists/oss-security/2024/03/12/5 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
access.redhat.com/errata/RHSA-2024:1385 af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
access.redhat.com/errata/RHSA-2024:1387 af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
access.redhat.com/security/cve/CVE-2024-2182 af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
lists.fedoraproject.org/archives/list/[email protected]/messag... af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
access.redhat.com/errata/RHSA-2024:4035 af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
lists.fedoraproject.org/archives/list/[email protected]/messag... af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
access.redhat.com/errata/RHSA-2024:1394 af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
access.redhat.com/errata/RHSA-2024:1392 af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
access.redhat.com/errata/RHSA-2024:1390 af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
access.redhat.com/errata/RHSA-2024:1391 af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
access.redhat.com/errata/RHSA-2024:1393 af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
www.openwall.com/lists/oss-security/2024/03/12/5 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
mail.openvswitch.org/pipermail/ovs-announce/2024-March/000346.html af854a3a-2127-422b-91ae-364da2661108 mail.openvswitch.org
lists.fedoraproject.org/archives/list/[email protected]/messag... af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
access.redhat.com/errata/RHSA-2024:1388 af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
access.redhat.com/errata/RHSA-2024:1386 af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Red Hat would like to thank Frode Nordahl (Canonical) for reporting this issue. (en)

Additional Advisory Data

SourceTimeEvent
CNA2024-03-04T00:00:00.000ZReported to Red Hat.
CNA2024-03-12T00:00:00.000ZMade public.

Legacy QID Mappings

  • 200187 Ubuntu Security Notification for OVN Vulnerability (USN-6691-1)
  • 285382 Fedora Security Update for ovn (FEDORA-2024-7c11edcd20)
  • 285383 Fedora Security Update for ovn (FEDORA-2024-082155d6b7)

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