{"id":14982,"date":"2026-09-04T19:02:20","date_gmt":"2026-09-04T11:02:20","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-63968"},"modified":"2026-09-04T19:02:20","modified_gmt":"2026-09-04T11:02:20","slug":"cve-2026-63968","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-63968","title":{"rendered":"CVE-2026-63968 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: fix possible in"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ipv6: fix possible infinite loop in fib6_select_path()<\/p>\n<p>Found while auditing the same pattern Sashiko reported in<br \/>\nrt6_fill_node() [1]. Apply the same fix as<br \/>\ncommit f8d8ce1b515a (&#8220;ipv6: fix possible infinite loop in fib6_info_uses_dev()&#8221;).<\/p>\n<p>Writers holding tb6_lock can list_del_rcu(&amp;first-&gt;fib6_siblings)<br \/>\nwithout waiting for RCU readers; first-&gt;fib6_siblings.next then<br \/>\nstill points into the old ring and this softirq-side walker never<br \/>\nreaches &amp;first-&gt;fib6_siblings as its terminator. fib6_purge_rt()<br \/>\nalways WRITE_ONCE()s first-&gt;fib6_nsiblings to 0 before<br \/>\nlist_del_rcu(), so an inside-loop check is a reliable detach signal.<\/p>\n<p>[1] https:\/\/sashiko.dev\/#\/patchset\/20260526020227.4857-1-jiayuan.chen%40linux.dev<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ipv6: fix possible infinite loop in fib6_select_path()<\/p>\n<p>Found while auditing the same pattern Sashiko reported in<br \/>\nrt6_fill_node() [<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-14982","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/14982","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=14982"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14982"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14982"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}