The vulnerability of the l2tp_xmit_core() function in the net/l2tp/l2tp_core.c module, which is part of the Linux operating system’s Layer 2 Tunneling Protocol core, allows a attacker to cause a service failure.

The vulnerability of the l2tpxmitcore function in the net/l2tp/l2tpcore.c module, which is part of the Linux L2TP protocol implementation, is related to incorrect input validation. Exploiting this vulnerability could allow an attacker to cause a service failure...

Linux Distros Unpatched Vulnerability : CVE-2026-74735

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - l2tp: fix tunnel and session refcount leak on seqfile release In pppol2tpprocopen and l2tpdfsseqopen, iteration state pd-tunnel and pd-session is kept in seqfil...