{"id":6752,"date":"2026-09-04T18:49:15","date_gmt":"2026-09-04T10:49:15","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-72057"},"modified":"2026-09-04T18:49:15","modified_gmt":"2026-09-04T10:49:15","slug":"cve-2026-72057","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-72057","title":{"rendered":"CVE-2026-72057 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nnet\/sched: act_ct: pr"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net\/sched: act_ct: preserve tc_skb_cb across defragmentation<\/p>\n<p>tcf_ct_handle_fragments() calls nf_ct_handle_fragments() without saving<br \/>\nand restoring skb-&gt;cb. The defrag helper clears IPCB\/IP6CB, which aliases<br \/>\nthe tc_skb_cb\/qdisc_skb_cb control buffer. Fragmented traffic through<br \/>\nact_ct therefore loses qdisc metadata such as pkt_segs and can trigger<br \/>\nWARN_ON_ONCE() in qdisc_pkt_segs() when panic_on_warn is enabled.<\/p>\n<p>Save and restore the full tc_skb_cb around nf_ct_handle_fragments(),<br \/>\nmatching the pattern used by ovs_ct_handle_fragments().<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net\/sched: act_ct: preserve tc_skb_cb across defragmentation<\/p>\n<p>tcf_ct_handle_fragments() calls nf_ct_handle_fragments() without savi<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-6752","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/6752","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=6752"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6752"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6752"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}