{"id":"UBUNTU-CVE-2023-3966","details":"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.","modified":"2026-01-30T01:01:41.511158Z","published":"2024-02-08T00:00:00Z","related":["USN-6690-1"],"upstream":["CVE-2023-3966"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-3966"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2024/02/08/3"},{"type":"REPORT","url":"https://mail.openvswitch.org/pipermail/ovs-dev/2024-February/411702.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6690-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-3966"}],"affected":[{"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","2.13.1-0ubuntu0.20.04.3","2.13.1-0ubuntu0.20.04.4","2.13.3-0ubuntu0.20.04.1","2.13.3-0ubuntu0.20.04.2","2.13.5-0ubuntu1","2.13.8-0ubuntu1","2.13.8-0ubuntu1.1","2.13.8-0ubuntu1.2","2.13.8-0ubuntu1.3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.13.8-0ubuntu1.4","binary_name":"openvswitch-common"},{"binary_name":"openvswitch-pki","binary_version":"2.13.8-0ubuntu1.4"},{"binary_name":"openvswitch-source","binary_version":"2.13.8-0ubuntu1.4"},{"binary_name":"openvswitch-switch","binary_version":"2.13.8-0ubuntu1.4"},{"binary_name":"openvswitch-switch-dpdk","binary_version":"2.13.8-0ubuntu1.4"},{"binary_version":"2.13.8-0ubuntu1.4","binary_name":"openvswitch-test"},{"binary_version":"2.13.8-0ubuntu1.4","binary_name":"openvswitch-testcontroller"},{"binary_name":"openvswitch-vtep","binary_version":"2.13.8-0ubuntu1.4"},{"binary_name":"python3-openvswitch","binary_version":"2.13.8-0ubuntu1.4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-3966.json"}},{"package":{"name":"openvswitch","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/openvswitch@2.17.9-0ubuntu0.22.04.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.17.9-0ubuntu0.22.04.1"}]}],"versions":["2.16.0-0ubuntu2","2.16.0-0ubuntu3","2.16.0-0ubuntu4","2.17.0~git20220105.0d1ffb7-0ubuntu1","2.17.0~git20220118.1b9fd88-0ubuntu1","2.17.0~git20220121.109d024-0ubuntu1","2.17.0-0ubuntu1","2.17.2-0ubuntu0.22.04.1","2.17.2-0ubuntu0.22.04.2","2.17.3-0ubuntu0.22.04.1","2.17.3-0ubuntu0.22.04.2","2.17.5-0ubuntu0.22.04.2","2.17.7-0ubuntu0.22.04.1","2.17.8-0ubuntu0.22.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"openvswitch-common","binary_version":"2.17.9-0ubuntu0.22.04.1"},{"binary_name":"openvswitch-ipsec","binary_version":"2.17.9-0ubuntu0.22.04.1"},{"binary_name":"openvswitch-pki","binary_version":"2.17.9-0ubuntu0.22.04.1"},{"binary_name":"openvswitch-source","binary_version":"2.17.9-0ubuntu0.22.04.1"},{"binary_name":"openvswitch-switch","binary_version":"2.17.9-0ubuntu0.22.04.1"},{"binary_name":"openvswitch-switch-dpdk","binary_version":"2.17.9-0ubuntu0.22.04.1"},{"binary_name":"openvswitch-test","binary_version":"2.17.9-0ubuntu0.22.04.1"},{"binary_name":"openvswitch-testcontroller","binary_version":"2.17.9-0ubuntu0.22.04.1"},{"binary_name":"openvswitch-vtep","binary_version":"2.17.9-0ubuntu0.22.04.1"},{"binary_name":"python3-openvswitch","binary_version":"2.17.9-0ubuntu0.22.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-3966.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}