CVE-2023-3966

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

Published Feb 22, 2024 CVSS 3.1 · 7.5 High EPSS 1.3% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-5640-1 openvswitch security update
EUVD EUVD EUVD-2023-44591 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.
Ubuntu USN Ubuntu USN USN-6690-1 Open vSwitch vulnerabilities
History
Type Values Removed Values Added
First Time appeared Fedoraproject
Fedoraproject fedora
Openvswitch
Openvswitch openvswitch
CPEs cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*
Vendors & Products Fedoraproject
Fedoraproject fedora
Openvswitch
Openvswitch openvswitch
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Feb 13, 2025, 5:03 PM
Reserved
Jul 26, 2023, 11:16 PM
Status
Analyzed
Published
Feb 22, 2024, 1:15 PM
Modified
Jun 17, 2026, 6:15 AM
Severity
Important
Public date
Feb 8, 2024, 12:00 AM