{"id":11115,"date":"2026-09-04T18:51:41","date_gmt":"2026-09-04T10:51:41","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-74581"},"modified":"2026-09-04T18:51:41","modified_gmt":"2026-09-04T10:51:41","slug":"cve-2026-74581","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-74581","title":{"rendered":"CVE-2026-74581 [CRITICAL] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ipv6: clear supp"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net: ipv6: clear suppressed fib6 rule result<\/p>\n<p>fib6_rule_suppress() drops a suppressed route with ip6_rt_put_flags(),<br \/>\nbut leaves res-&gt;rt6 pointing at the released rt6_info.<\/p>\n<p>If no later rule supplies a replacement, fib6_rule_lookup() still sees<br \/>\nres.rt6 and returns that stale dst to its caller. A suppressing rule can<br \/>\ntherefore leak a released route back to rt6_lookup(), and the next put<br \/>\nhits rcuref_put_slowpath() from dst_release().<\/p>\n<p>Clear res-&gt;rt6 when suppressing the route so suppressed lookups fall<br \/>\nthrough to the null dst instead of reusing the released one.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net: ipv6: clear suppressed fib6 rule result<\/p>\n<p>fib6_rule_suppress() drops a suppressed route with ip6_rt_put_flags(),<br \/>\nbut leaves res<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-11115","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/11115","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=11115"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11115"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}