{"id":41096,"date":"2026-10-19T00:32:08","date_gmt":"2026-10-18T16:32:08","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98624"},"modified":"2026-10-19T00:32:08","modified_gmt":"2026-10-18T16:32:08","slug":"cve-2026-98624","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98624","title":{"rendered":"CVE-2026-98624 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nfnetlink_"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>netfilter: nfnetlink_queue: hold nfnl mutex in event notifier<\/p>\n<p>We must serialize the release notifier and the config netlink function.<br \/>\nA concurrent thread can issue close() which can call the release function<br \/>\nwhile unrelated socket processes UNBIND request for same portid:<\/p>\n<p>Oops: general protection fault, [..]<br \/>\nRIP: 0010:__instance_destroy+0x60\/0x210 [nfnetlink_queue]<br \/>\nCall Trace:<br \/>\n nfqnl_recv_config+0x9b0\/0xdc0 [nfnetlink_queue]<br \/>\n nfnetlink_rcv_msg+0x7c2\/0xeb0<br \/>\n ? __pfx_nfnetlink_rcv_msg+0x10\/0x10<\/p>\n<p>After this, parallel UNBIND and URELEASE events are impossible.<\/p>\n<p>This change isn&#8217;t nice, but its the shortest fix given instances<br \/>\nare not refcounted and the nfnetlink config callback drops the<br \/>\nrcu read lock early due to need for sleeping allocations.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>netfilter: nfnetlink_queue: hold nfnl mutex in event notifier<\/p>\n<p>We must serialize the release notifier and the config netlink functi<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-41096","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/41096","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=41096"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=41096"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=41096"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}