{"id":7069,"date":"2026-09-04T18:49:24","date_gmt":"2026-09-04T10:49:24","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-72417"},"modified":"2026-09-04T18:49:24","modified_gmt":"2026-09-04T10:49:24","slug":"cve-2026-72417","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-72417","title":{"rendered":"CVE-2026-72417 [CRITICAL] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: flowtable:"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>netfilter: flowtable: Validate iph-&gt;ihl in nf_flow_ip4_tunnel_proto()<\/p>\n<p>Add sanity check for iph-&gt;ihl field in nf_flow_ip4_tunnel_proto() before<br \/>\nusing it to compute the header size, avoiding out-of-bounds access with<br \/>\nmalformed IP headers.<br \/>\nWhile at it, use iph-&gt;protocol instead of the hardcoded IPPROTO_IPIP<br \/>\nconstant when setting ctx-&gt;tun.proto and reference ctx-&gt;tun.hdr_size<br \/>\nwhen updating ctx-&gt;offset.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>netfilter: flowtable: Validate iph-&gt;ihl in nf_flow_ip4_tunnel_proto()<\/p>\n<p>Add sanity check for iph-&gt;ihl field in nf_flow_ip4_tunnel_pr<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-7069","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/7069","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7069"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7069"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7069"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}