{"id":41097,"date":"2026-10-19T00:32:08","date_gmt":"2026-10-18T16:32:08","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98625"},"modified":"2026-10-19T00:32:08","modified_gmt":"2026-10-18T16:32:08","slug":"cve-2026-98625","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98625","title":{"rendered":"CVE-2026-98625 &#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: publish HW_DEAD after worker is done<\/p>\n<p>flow_offload_work_del() sets NF_FLOW_HW_DEAD before the work handler<br \/>\nclears NF_FLOW_HW_PENDING. Once a flow is both HW_DYING and HW_DEAD, a<br \/>\nconcurrent garbage collection pass can remove it and schedule it for RCU<br \/>\nfreeing.<\/p>\n<p>The offload worker holds neither an RCU read lock nor a reference to the<br \/>\nflow. If it is preempted after publishing HW_DEAD, the RCU callback can<br \/>\nfree the flow before the worker resumes and clears HW_PENDING, resulting<br \/>\nin a use-after-free.<\/p>\n<p>Move HW_DEAD publication to the common worker epilogue after the pending<br \/>\nbit is cleared, making it the final flow access by destroy work. Order all<br \/>\npreceding flow accesses before publishing the bit that allows garbage<br \/>\ncollection to free the object.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>netfilter: flowtable: publish HW_DEAD after worker is done<\/p>\n<p>flow_offload_work_del() sets NF_FLOW_HW_DEAD before the work handler<br \/>\ncl<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-41097","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/41097","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=41097"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=41097"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=41097"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}