{"id":25470,"date":"2026-09-18T04:31:25","date_gmt":"2026-09-17T20:31:25","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-90061"},"modified":"2026-09-18T04:31:25","modified_gmt":"2026-09-17T20:31:25","slug":"cve-2026-90061","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-90061","title":{"rendered":"CVE-2026-90061 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables:"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>netfilter: nf_tables: skip double clone set expressions on element insert<\/p>\n<p>Both the dynset and newsetelem path clone the existing set expressions<br \/>\nwhen setting set element expressions if no override expressions are<br \/>\nprovided. This results in a double clone, once to clone the template set<br \/>\nexpressions then another clone on the new element. Add a flag to<br \/>\nannotate if userspace provides a override expression (ie. expression of<br \/>\nthe same type of the set but different configuration), otherwise borrow<br \/>\nthe existing expression from the set. Add conditionals to release<br \/>\nexpression iif they represent an override. Use this new override_exprs<br \/>\nflag to dump the dynset expression override to userspace.<\/p>\n<p>This simplifies the existing logic and it also fixes a bug with the<br \/>\nconnlimit expression which results in a module refcount imbalance<br \/>\nWARNING splat when resorting on the default set expressions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>netfilter: nf_tables: skip double clone set expressions on element insert<\/p>\n<p>Both the dynset and newsetelem path clone the existing s<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-25470","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/25470","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=25470"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25470"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25470"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}