{"id":21329,"date":"2026-09-12T04:31:02","date_gmt":"2026-09-11T20:31:02","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80996"},"modified":"2026-09-12T04:31:02","modified_gmt":"2026-09-11T20:31:02","slug":"cve-2026-80996","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80996","title":{"rendered":"CVE-2026-80996 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nnet: l2tp: do not pro"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net: l2tp: do not propagate multicast notification errors<\/p>\n<p>The tunnel create, tunnel modify, session create, and session modify<br \/>\nnetlink handlers send multicast notifications through helpers that can fail<br \/>\nwhile allocating or encoding a message, or while multicasting it.<\/p>\n<p>For tunnel and session create\/modify, a notification is sent after the live<br \/>\noperation has completed. Returning a best-effort notification error as the<br \/>\ncommand result can therefore report failure for an operation that already<br \/>\ncommitted and can cause callers to retry and accumulate live objects.<\/p>\n<p>Keep sending notifications for listener visibility, but do not propagate<br \/>\ntheir best-effort status as the command result. This also keeps the tunnel<br \/>\nmodify command consistent with the other notification-only paths.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net: l2tp: do not propagate multicast notification errors<\/p>\n<p>The tunnel create, tunnel modify, session create, and session modify<br \/>\nnet<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-21329","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/21329","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=21329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=21329"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=21329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}