{"id":29215,"date":"2026-09-25T20:32:09","date_gmt":"2026-09-25T12:32:09","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98060"},"modified":"2026-09-25T20:32:09","modified_gmt":"2026-09-25T12:32:09","slug":"cve-2026-98060","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98060","title":{"rendered":"CVE-2026-98060 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Reject resilient"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>bpf: Reject resilient lock operations in rbtree callbacks<\/p>\n<p>__bpf_rbtree_add() keeps parent and link pointers live across calls to the<br \/>\nprogram-supplied comparison callback. The verifier therefore requires the<br \/>\nroot&#8217;s lock to remain held throughout the callback.<\/p>\n<p>The helper path enforces this rule for bpf_spin_lock() and<br \/>\nbpf_spin_unlock(), but the resilient lock kfunc argument path does not.<br \/>\nSince resilient locks may protect BPF rbtree roots, a callback can release<br \/>\nthe root lock and let another CPU remove and free the node referenced by<br \/>\nthe in-progress tree walk. The walk then resumes using freed pointers.<\/p>\n<p>Reject resilient lock kfuncs in an rbtree comparison callback, matching<br \/>\nthe existing policy for the spin lock helpers. Resilient-lock-protected<br \/>\ntrees remain valid when their comparison callbacks leave lock state alone.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>bpf: Reject resilient lock operations in rbtree callbacks<\/p>\n<p>__bpf_rbtree_add() keeps parent and link pointers live across calls to t<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-29215","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/29215","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=29215"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=29215"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=29215"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}