{"id":14975,"date":"2026-09-04T19:02:20","date_gmt":"2026-09-04T11:02:20","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-63946"},"modified":"2026-09-04T19:02:20","modified_gmt":"2026-09-04T11:02:20","slug":"cve-2026-63946","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-63946","title":{"rendered":"CVE-2026-63946 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: ISO: fix U"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>Bluetooth: ISO: fix UAF in iso_recv_frame<\/p>\n<p>iso_recv_frame reads conn-&gt;sk under iso_conn_lock but releases the lock<br \/>\nbefore using sk, with no reference held. A concurrent iso_sock_kill()<br \/>\ncan free sk in that window, causing use-after-free on sk-&gt;sk_state and<br \/>\nsock_queue_rcv_skb().<\/p>\n<p>Fix by replacing the bare pointer read with iso_sock_hold(conn), which<br \/>\ncalls sock_hold() while the spinlock is held, atomically elevating the<br \/>\nrefcount before the lock drops. Add a drop_put label so sock_put() is<br \/>\ncalled on all exit paths where the hold succeeded.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>Bluetooth: ISO: fix UAF in iso_recv_frame<\/p>\n<p>iso_recv_frame reads conn-&gt;sk under iso_conn_lock but releases the lock<br \/>\nbefore using sk,<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-14975","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/14975","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=14975"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14975"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14975"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}