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CVE-2023-3966

Openvswsitch: ovs-vswitch fails to recover after malformed geneve metadata packet

Published: Feb 22, 2024Updated: May 16, 2025 Sources: CVE List NVD BDUCWE-248
7.5HIGH
NVD MITRE
EPSS Score
1.0%
Top 40.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

A flaw was found in Open vSwitch where multiple versions are vulnerable to crafted Geneve packets, which may result in a denial of service and invalid memory accesses. Triggering this issue requires that hardware offloading via the netlink path is enabled.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-248

Affected Products

Red Hat Inc.
commercial·USaka Red Hat
Fast Datapath for RHEL 7On-premLibrary
Operating Systems / linux-distro
Fast Datapath for RHEL 8On-premLibrary
Operating Systems / linux-distro
Fast Datapath for RHEL 9On-premLibrary
Operating Systems / linux-distro
Red Hat Enterprise Linux 7On-premOS
Operating Systems / linux-distro
Red Hat OpenShift Container Platform 3.11MixedSaaS Service
Cloud & SaaS / container-orchestration
Fast DatapathOn-prem
Operating Systems / linux-distro
Сообщество свободного программного обеспечения
oss-projectaka fsf
Debian GNU/LinuxOn-premOS
Operating Systems / linux-distro
Open vSwitchOn-prem
Networking Infrastructure / network-management
openvswitch
oss-projectaka ovs
openvswitchOn-prem
Networking Infrastructure / router-switch
fedoraproject
oss-project·USaka fedora project
fedoraOn-premOS
Operating Systems / linux-distro
RDO
commercial
OpenStack RDOOn-prem
Cloud & SaaS / cloud-platform
Fedora
oss-projectaka fedora linux
FedoraOn-premOS
Operating Systems / linux-distro
and 5 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2023-3966?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://access.redhat.com/security/cve/CVE-2023-3966
access.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2178363
bugzilla.redhat.com
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LFZADABUDOFI2KZIRQBYFZCIKH55RGY3/
lists.fedoraproject.org
and 15 more references View all →
News mentions
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