CVE-2023-5366

Openvswitch don't match packets on nd_target field

Published Oct 6, 2023 CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Description
A flaw was found in Open vSwitch that allows ICMPv6 Neighbor Advertisement packets between virtual machines to bypass OpenFlow rules. This issue may allow a local attacker to create specially crafted packets with a modified or spoofed target IP address field that can redirect ICMPv6 traffic to arbitrary IP addresses.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3734-1 openvswitch security update
Debian DSA Debian DSA DSA-5640-1 openvswitch security update
EUVD EUVD EUVD-2023-57682 A flaw was found in Open vSwitch that allows ICMPv6 Neighbor Advertisement packets between virtual machines to bypass OpenFlow rules. This issue may allow a local attacker to create specially crafted packets with a modified or spoofed target IP address field that can redirect ICMPv6 traffic to arbitrary IP addresses.
Ubuntu USN Ubuntu USN USN-6514-1 Open vSwitch vulnerability
Ubuntu USN Ubuntu USN USN-6690-1 Open vSwitch vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Feb 13, 2025, 5:20 PM
Reserved
Oct 3, 2023, 7:14 PM
Status
Modified
Published
Oct 6, 2023, 6:15 PM
Modified
Jun 17, 2026, 6:48 AM
Severity
Moderate
Public date
Sep 26, 2023, 12:00 AM