CVE-2023-3966

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

22/02/2024

Last modified:

16/05/2025

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.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

7.50

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:openvswitch:openvswitch::::::::		3.1.0 (excluding)
cpe:2.3:o:fedoraproject:fedora:39:::::::*
cpe:2.3:o:fedoraproject:fedora:40:::::::*

To consult the complete list of CPE names with products and versions, see this page

CVE-2023-3966

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools