{"id":28591,"date":"2026-09-25T04:31:26","date_gmt":"2026-09-24T20:31:26","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-93288"},"modified":"2026-09-25T04:31:26","modified_gmt":"2026-09-24T20:31:26","slug":"cve-2026-93288","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-93288","title":{"rendered":"CVE-2026-93288 &#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_log: wait for rcu grace period before freeing pernet state<\/p>\n<p>sashiko reports: &#8220;nfnl_log_net_exit() calls nf_log_unset(), which<br \/>\nclears the logger pointer without an RCU grace period.  Immediately after,<br \/>\nops_free_list() frees the per-net state while concurrent packets might<br \/>\nstill be executing nf_log_packet() under rcu_read_lock().&#8221;<\/p>\n<p>Clear the pointer via .pre_exit to make sure rcu readers have completed<br \/>\nbefore pernet storage is free&#8217;d.  The change in nf_log_syslog.c is only<br \/>\ndone for consistency: it doesn&#8217;t use pernet data.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>netfilter: nfnetlink_log: wait for rcu grace period before freeing pernet state<\/p>\n<p>sashiko reports: &#8220;nfnl_log_net_exit() calls nf_log<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-28591","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/28591","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=28591"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=28591"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=28591"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}