Openvswitch don't match packets on nd_target field

7.1 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

This issue was discovered by Alex Katz (Red Hat) and Slawomir Kaplonski (Red Hat).

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Affected Vendor

n/a

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Affected Software

openvswitch, Fast Datapath for RHEL 7, Fast Datapath for RHEL 8, Fast Datapath for RHEL 9, Red Hat Enterprise Linux 7, Red Hat OpenShift Container Platform 3.11, Red Hat OpenShift Container Platform 4, Red Hat OpenStack Platform 16.1, Red Hat OpenStack Platform 16.2, Red Hat Virtualization 4, Fedora

Vulnerable Versions:

Unknown