{"id":"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":"2026-04-11T12:45:22.179995Z","published":"2024-02-22T13:15:07.770Z","related":["SUSE-SU-2024:0738-1","SUSE-SU-2024:0738-2","SUSE-SU-2024:0912-1","SUSE-SU-2024:0922-1","SUSE-SU-2024:0937-1","SUSE-SU-2026:0280-1","SUSE-SU-2026:0290-1","SUSE-SU-2026:20049-1","SUSE-SU-2026:20061-1","openSUSE-SU-2024:13725-1"],"database_specific":{"unresolved_ranges":[{"cpe":"cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*","source":"CPE_FIELD","extracted_events":[{"last_affected":"39"}]},{"cpe":"cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*","source":"CPE_FIELD","extracted_events":[{"last_affected":"40"}]}]},"references":[{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2023-3966"},{"type":"ADVISORY","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2178363"},{"type":"ARTICLE","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LFZADABUDOFI2KZIRQBYFZCIKH55RGY3/"},{"type":"ARTICLE","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VYYUBF6OW2JG7VOFEOROHXGSJCTES3QO/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/openvswitch/ovs","events":[{"introduced":"0"},{"fixed":"3c2bea086ef8912d57331173af266f21d36740a0"}],"database_specific":{"cpe":"cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*","source":"CPE_FIELD","extracted_events":[{"introduced":"0"},{"fixed":"3.1.0"}]}}],"versions":["v0.90.0","v0.90.4","v0.99.0","v0.99.1","v0.99.2","v1.0.0","v1.0.1","v1.1.0pre1","v1.1.0pre2"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-3966.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}