CVE-2026-23072 l2tp: Fix memleak in l2tp_udp_encap_recv().

In the Linux kernel, the following vulnerability has been resolved: l2tp: Fix memleak in l2tpudpencaprecv. syzbot reported memleak of struct l2tpsession, l2tptunnel, sock, etc. 0 The cited commit moved down the validation of the protocol version in l2tpudpencaprecv. The new place requires an extr...

CVE-2026-23072

CVE-2026-23072: Linux kernel l2tp memleak in l2tp_udp_encap_recv() fixed by adding proper error handling after protocol version validation; the patch ensures l2tp_session_put() is called to avoid leaking objects (l2tp_session, l2tp_tunnel, sock). References indicate the commit addresses a memory‑...