CVE-2026-86297 D-Link DIR-605 L2TP Control Message tunnel.c tunnel_set_params off-by-one

A vulnerability was identified in D-Link DIR-605 B1v202WWB03. This issue affects the function tunnelsetparams of the file progs.gpl/pppd.alpha/l2tp/tunnel.c of the component L2TP Control Message Parser. Such manipulation of the argument peerhostname leads to off-by-one. The attack may be performe...

EUVD-2026-72339

A vulnerability was identified in D-Link DIR-605 B1v202WWB03. This issue affects the function tunnelsetparams of the file progs.gpl/pppd.alpha/l2tp/tunnel.c of the component L2TP Control Message Parser. Such manipulation of the argument peerhostname leads to off-by-one. The attack may be performe...

PT-2026-86966

Name of the Vulnerable Software and Affected Versions D-Link DIR-822A A 101 Description A remote out-of-bounds write can occur within the L2TP Control Message Parser component. This issue is triggered by the tunnel set params function, allowing an attacker to write data beyond the allocated memor...

CVE-2026-86297: Off-by-one Error

A vulnerability was identified in D-Link DIR-605 B1v202WWB03. This issue affects the function tunnelsetparams of the file progs.gpl/pppd.alpha/l2tp/tunnel.c of the component L2TP Control Message Parser. Such manipulation of the argument peerhostname leads to off-by-one. The attack may be performe...

The vulnerability of the pppol2tp_ioctl() function in the net/l2tp/l2tp_ppp.c module of the Layer Two Tunneling Protocol (L2TP) implementation in the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the pppol2tpioctl function in the net/l2tp/l2tpppp.c module of the Layer 2 Tunneling Protocol implementation in the Linux operating system is related to errors during link counter updates. Exploiting this vulnerability can allow an attacker to compromise the confidentiality,...

The vulnerability of the l2tp_eth_create() function in the net/l2tp/l2tp_eth.c module of the Linux operating system’s L2TP protocol implementation allows a attacker to increase their privileges.

The vulnerability of the l2tpethcreate function in the net/l2tp/l2tpeth.c module of the L2TP protocol implementation in the Linux operating system is related to the reutilization of previously freed memory. Exploiting this vulnerability can allow an attacker to increase their privileges...

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...

CVE-2026-74735

A flaw was found in the Linux kernel's L2TP Layer 2 Tunneling Protocol implementation. A local user could trigger a reference count leak by closing specific /proc or /sys files related to L2TP tunnels and sessions before fully reading their content. This could lead to resource exhaustion,...

SUSE CVE-2026-74735

In the Linux kernel, the following vulnerability has been resolved: l2tp: fix tunnel and session refcount leak on seqfile release In pppol2tpprocopen and l2tpdfsseqopen, iteration state pd-tunnel and pd-session is kept in seqfile private data to allow iteration across multiple read system calls...

CVE-2026-74735

In the Linux kernel, the following vulnerability has been resolved: l2tp: fix tunnel and session refcount leak on seqfile release In pppol2tpprocopen and l2tpdfsseqopen, iteration state pd-tunnel and pd-session is kept in seqfile private data to allow iteration across multiple read system calls...

AZL-97743 CVE-2026-74735 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: l2tp: fix tunnel and session refcount leak on seqfile release In pppol2tpprocopen and l2tpdfsseqopen, iteration state pd-tunnel and pd-session is kept in seqfile private data to allow iteration across multiple read system calls...

UBUNTU-CVE-2026-74735

In the Linux kernel, the following vulnerability has been resolved: l2tp: fix tunnel and session refcount leak on seqfile release In pppol2tpprocopen and l2tpdfsseqopen, iteration state pd-tunnel and pd-session is kept in seqfile private data to allow iteration across multiple read system calls...

CVE-2026-74735

In the Linux kernel, the following vulnerability has been resolved: l2tp: fix tunnel and session refcount leak on seqfile release In pppol2tpprocopen and l2tpdfsseqopen, iteration state pd-tunnel and pd-session is kept in seqfile private data to allow iteration across multiple read system calls...

CVE-2026-74735 l2tp: fix tunnel and session refcount leak on seq_file release

In the Linux kernel, the following vulnerability has been resolved: l2tp: fix tunnel and session refcount leak on seqfile release In pppol2tpprocopen and l2tpdfsseqopen, iteration state pd-tunnel and pd-session is kept in seqfile private data to allow iteration across multiple read system calls...

CVE-2026-74735

CVE-2026-74735 affects the Linux kernel's L2TP (Layer 2 Tunneling Protocol) implementation. In pppol2tp_proc_open() and l2tp_dfs_seq_open(), iteration state (pd->tunnel and pd->session) is stored in seq_file private data to support multi-read() iteration. If a local user closes /proc/net/pp...

CVE-2026-74735 l2tp: fix tunnel and session refcount leak on seq_file release

In the Linux kernel, the following vulnerability has been resolved: l2tp: fix tunnel and session refcount leak on seqfile release In pppol2tpprocopen and l2tpdfsseqopen, iteration state pd-tunnel and pd-session is kept in seqfile private data to allow iteration across multiple read system calls...

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...

PT-2026-82115

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A reference count leak occurs in the L2TP module when userspace closes /proc/net/pppol2tp or /sys/kernel/debug/l2tp/tunnels before reaching the end-of-file. The iteration state,...

CVE-2026-74735: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: l2tp: fix tunnel and session refcount leak on seqfile release In pppol2tpprocopen and l2tpdfsseqopen, iteration state pd-tunnel and pd-session is kept in seqfile private data to allow iteration across multiple read system calls...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098766)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098766 advisory. In the Linux kernel, the following vulnerability has been resolved: l2tp: pppol2tp: hold reference to session in pppol2tpioctl pppol2tpioctl read sock-sk-skuserdata...