{"id":6947,"date":"2026-09-04T18:49:22","date_gmt":"2026-09-04T10:49:22","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-72320"},"modified":"2026-09-04T18:49:22","modified_gmt":"2026-09-04T10:49:22","slug":"cve-2026-72320","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-72320","title":{"rendered":"CVE-2026-72320 [CRITICAL] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nft_lookup"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>netfilter: nft_lookup: fix catchall element handling with inverted lookups<\/p>\n<p>nft_lookup_eval() decides whether a lookup matched (`found`) from the<br \/>\ndirect set lookup and priv-&gt;invert before falling back to the<br \/>\ncatchall element used by interval sets (e.g. nft_set_rbtree) for the<br \/>\nopen-ended default range. Since `found` is never recomputed after<br \/>\n`ext` is replaced by the catchall lookup, inverted lookups<br \/>\n(NFT_LOOKUP_F_INV, &#8220;!= @set&#8221;) can wrongly match or wrongly skip the<br \/>\ncatchall element, producing the wrong verdict. Fold the catchall<br \/>\nlookup into `ext` before computing `found`, matching the order<br \/>\nalready used by nft_objref_map_eval().<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>netfilter: nft_lookup: fix catchall element handling with inverted lookups<\/p>\n<p>nft_lookup_eval() decides whether a lookup matched (`fo<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-6947","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/6947","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=6947"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6947"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6947"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}