{"id":"UBUNTU-CVE-2023-5366","details":"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.","modified":"2026-02-04T03:28:47.667525Z","published":"2023-10-06T18:15:00Z","related":["USN-6514-1","USN-6690-1"],"upstream":["CVE-2023-5366"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-5366"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6514-1"},{"type":"REPORT","url":"https://mail.openvswitch.org/pipermail/ovs-announce/2024-February/000342.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6690-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-5366"}],"affected":[{"package":{"name":"openvswitch","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/openvswitch@2.5.9-0ubuntu0.16.04.3+esm1?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4.0-0ubuntu4","2.4.0-0ubuntu5","2.5.0~git20160129.46a88d9-0ubuntu1","2.5.0~git20160219.522aca6-0ubuntu1","2.5.0~git20160219.522aca6-0ubuntu2","2.5.0~git20160219.522aca6-0ubuntu3","2.5.0-0ubuntu1","2.5.2-0ubuntu0.16.04.1","2.5.2-0ubuntu0.16.04.2","2.5.2-0ubuntu0.16.04.3","2.5.4-0ubuntu0.16.04.1","2.5.5-0ubuntu0.16.04.1","2.5.5-0ubuntu0.16.04.2","2.5.9-0ubuntu0.16.04.2","2.5.9-0ubuntu0.16.04.3","2.5.9-0ubuntu0.16.04.3+esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.5.9-0ubuntu0.16.04.3+esm1","binary_name":"openvswitch-common"},{"binary_version":"2.5.9-0ubuntu0.16.04.3+esm1","binary_name":"openvswitch-ipsec"},{"binary_version":"2.5.9-0ubuntu0.16.04.3+esm1","binary_name":"openvswitch-pki"},{"binary_version":"2.5.9-0ubuntu0.16.04.3+esm1","binary_name":"openvswitch-switch"},{"binary_version":"2.5.9-0ubuntu0.16.04.3+esm1","binary_name":"openvswitch-switch-dpdk"},{"binary_version":"2.5.9-0ubuntu0.16.04.3+esm1","binary_name":"openvswitch-test"},{"binary_version":"2.5.9-0ubuntu0.16.04.3+esm1","binary_name":"openvswitch-testcontroller"},{"binary_version":"2.5.9-0ubuntu0.16.04.3+esm1","binary_name":"openvswitch-vtep"},{"binary_version":"2.5.9-0ubuntu0.16.04.3+esm1","binary_name":"ovn-central"},{"binary_version":"2.5.9-0ubuntu0.16.04.3+esm1","binary_name":"ovn-common"},{"binary_version":"2.5.9-0ubuntu0.16.04.3+esm1","binary_name":"ovn-docker"},{"binary_version":"2.5.9-0ubuntu0.16.04.3+esm1","binary_name":"ovn-host"},{"binary_version":"2.5.9-0ubuntu0.16.04.3+esm1","binary_name":"python-openvswitch"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-5366.json"}},{"package":{"name":"openvswitch","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/openvswitch@2.9.8-0ubuntu0.18.04.5+esm1?arch=source&distro=esm-infra/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.8.0-0ubuntu2","2.8.1-0ubuntu2","2.8.1-0ubuntu3","2.9.0~git20180205.5a39582ca-0ubuntu1","2.9.0-0ubuntu1","2.9.2-0ubuntu0.18.04.2","2.9.2-0ubuntu0.18.04.3","2.9.5-0ubuntu0.18.04.1","2.9.7-0ubuntu0.18.04.2","2.9.8-0ubuntu0.18.04.2","2.9.8-0ubuntu0.18.04.3","2.9.8-0ubuntu0.18.04.4","2.9.8-0ubuntu0.18.04.5","2.9.8-0ubuntu0.18.04.5+esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.9.8-0ubuntu0.18.04.5+esm1","binary_name":"openvswitch-common"},{"binary_version":"2.9.8-0ubuntu0.18.04.5+esm1","binary_name":"openvswitch-pki"},{"binary_version":"2.9.8-0ubuntu0.18.04.5+esm1","binary_name":"openvswitch-switch"},{"binary_version":"2.9.8-0ubuntu0.18.04.5+esm1","binary_name":"openvswitch-switch-dpdk"},{"binary_version":"2.9.8-0ubuntu0.18.04.5+esm1","binary_name":"openvswitch-test"},{"binary_version":"2.9.8-0ubuntu0.18.04.5+esm1","binary_name":"openvswitch-testcontroller"},{"binary_version":"2.9.8-0ubuntu0.18.04.5+esm1","binary_name":"openvswitch-vtep"},{"binary_version":"2.9.8-0ubuntu0.18.04.5+esm1","binary_name":"ovn-central"},{"binary_version":"2.9.8-0ubuntu0.18.04.5+esm1","binary_name":"ovn-common"},{"binary_version":"2.9.8-0ubuntu0.18.04.5+esm1","binary_name":"ovn-controller-vtep"},{"binary_version":"2.9.8-0ubuntu0.18.04.5+esm1","binary_name":"ovn-docker"},{"binary_version":"2.9.8-0ubuntu0.18.04.5+esm1","binary_name":"ovn-host"},{"binary_version":"2.9.8-0ubuntu0.18.04.5+esm1","binary_name":"python-openvswitch"},{"binary_version":"2.9.8-0ubuntu0.18.04.5+esm1","binary_name":"python3-openvswitch"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-5366.json"}},{"package":{"name":"openvswitch","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/openvswitch@2.13.8-0ubuntu1.4?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.13.8-0ubuntu1.4"}]}],"versions":["2.12.0-0ubuntu1","2.12.0-0ubuntu2","2.12.1~git20191107.7accd1302-0ubuntu1","2.12.90~git20200107.af683565b-0ubuntu1","2.12.90~git20200107.af683565b-0ubuntu2","2.12.90~git20200107.af683565b-0ubuntu3","2.13.0~git20200127.dbdf66c29-0ubuntu2","2.13.0~git20200212.15ae9db33-0ubuntu1","2.13.0~git20200212.15ae9db33-0ubuntu2","2.13.0-0ubuntu1","2.13.1-0ubuntu0.20.04.1"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