{"id":"CVE-2023-1206","revision":"ddeb36922e2a40a5832b4b3c608b6e58","records":[{"revision":"ddeb36922e2a40a5832b4b3c608b6e58","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2023-1206","aliases":[],"title":"A hash collision flaw was found in the IPv6 connection lookup table in the Linux kernel’s IPv6 functionality when a user makes a new kind of SYN flood attack. A user located in the local network or with a high bandwidth connection can incre…","description":"A hash collision flaw was found in the IPv6 connection lookup table in the Linux kernel’s IPv6 functionality when a user makes a new kind of SYN flood attack. A user located in the local network or with a high bandwidth connection can increase the CPU usage of the server that accepts IPV6 connections up to 95%.","state":0,"publishedAt":"2023-06-30T00:00:00+00:00","modifiedAt":"2026-10-14T20:24:13.456+00:00","affected":[{"ecosystem":"Vendor product","name":"Kernel","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"n/a\",\n                    \"product\": \"Kernel\",\n                    \"versions\": [\n                        {\n                            \"version\": \"kernel 6.5-rc1\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=2175903","https://www.debian.org/security/2023/dsa-5480","https://www.debian.org/security/2023/dsa-5492","https://security.netapp.com/advisory/ntap-20230929-0006/","https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html","https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-1206","license":"CVE Program Terms of Use","key":"cve-program:CVE-2023-1206","identifiers":["CVE-2023-1206"]},"retained":false,"historicalAffected":[]}],"coverage":[]}