{"id":"CVE-2022-2663","revision":"80884474cdf04e698e7da997ec4dc050","records":[{"revision":"80884474cdf04e698e7da997ec4dc050","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2022-2663","aliases":[],"title":"An issue was found in the Linux kernel in nf_conntrack_irc where the message handling can be confused and incorrectly matches the message. A firewall may be able to be bypassed when users are using unencrypted IRC with nf_conntrack_irc conf…","description":"An issue was found in the Linux kernel in nf_conntrack_irc where the message handling can be confused and incorrectly matches the message. A firewall may be able to be bypassed when users are using unencrypted IRC with nf_conntrack_irc configured.","state":0,"publishedAt":"2022-09-01T00:00:00+00:00","modifiedAt":"2026-10-14T13:29:18.56+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux kernel","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"n/a\",\n                    \"product\": \"Linux kernel\",\n                    \"versions\": [\n                        {\n                            \"version\": \"unknown\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://www.openwall.com/lists/oss-security/2022/08/30/1","https://lore.kernel.org/netfilter-devel/20220826045658.100360-1-dgl%40dgl.cx/T/","https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html","https://dgl.cx/2022/08/nat-again-irc-cve-2022-2663","https://www.youtube.com/watch?v=WIq-YgQuYCA","https://www.debian.org/security/2022/dsa-5257","https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2022-2663","license":"CVE Program Terms of Use","key":"cve-program:CVE-2022-2663","identifiers":["CVE-2022-2663"]},"retained":false,"historicalAffected":[]}],"coverage":[]}