CVE-2026-23440

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix race condition during IPSec ESN update In IPSec full offload mode, the device reports an ESN Extended Sequence Number wrap event to the driver. The driver validates this event by querying the IPSec ASO and checking...

CVE-2026-23441 net/mlx5e: Prevent concurrent access to IPSec ASO context

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Prevent concurrent access to IPSec ASO context The query or updating IPSec offload object is through Access ASO WQE. The driver uses a single mlx5eipsecaso struct for each PF, which contains a shared DMA-mapped context...

CVE-2026-23440

CVE-2026-23440 is a Linux kernel vulnerability in the net/mlx5e IPSec ESN update path. A race condition could cause the ESN wrap event to be processed twice: after validating the event, the driver updates the kernel xfrm state and the lock is temporarily released, risking incorrect ESN high-order...

Missing Encryption of Sensitive Data

Overview Affected versions of this package are vulnerable to Missing Encryption of Sensitive Data in the handling of inter-Node Pod traffic when dual-stack networking is configured with IPsec encryption enabled. An attacker can intercept and read sensitive IPv6 Pod traffic by monitoring network...

Missing Encryption of Sensitive Data

Overview Affected versions of this package are vulnerable to Missing Encryption of Sensitive Data in the handling of inter-Node Pod traffic when dual-stack networking is configured with IPsec encryption enabled. An attacker can intercept and read sensitive IPv6 Pod traffic by monitoring network...

Linux Kernel Security Vulnerabilities

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from a race condition in the IPSec ASO context, which may lead to context corruption...

Study of Post Quantum Status of Widely Used Protocols

The advent of quantum computing poses significant threats to classical public-key cryptographic primitives such as RSA and elliptic-curve cryptography. As many critical network and security protocols depend on these primitives for key exchange and authentication, there is an urgent need to...

EUVD-2026-9436

A vulnerability in the processing of Galois/Counter Mode GCM-encrypted Internet Key Exchange version 2 IKEv2 IPsec traffic of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an authenticated, remote attacker to cause...

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software IPsec Denial of Service Vulnerability

A vulnerability in the processing of Galois/Counter Mode GCM-encrypted Internet Key Exchange version 2 IKEv2 IPsec traffic of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an authenticated, remote attacker to cause...

TP-Link Archer AXE75 VPN Disclosure

The vulnerability of the L2TP/IPSec VPN server implementation in the Wi-Fi router software from TP-Link Archer AXE75 relates to a flaw in the data protection mechanism. Exploiting this vulnerability allows an attacker to disclose protected information remotely...

CVE-2026-0620

When configured as L2TP/IPSec VPN server, Archer AXE75 V1 may accept connections using L2TP without IPSec protection, even when IPSec is enabled. This allows VPN sessions without encryption, exposing data in transit and compromising confidentiality...

EUVD-2026-5210

When configured as L2TP/IPSec VPN server, Archer AXE75 V1 may accept connections using L2TP without IPSec protection, even when IPSec is enabled. This allows VPN sessions without encryption, exposing data in transit and compromising confidentiality...

CVE-2026-0620 L2TP over IPSec Encryption Failure on ArcherAXE75

When configured as L2TP/IPSec VPN server, Archer AXE75 V1 may accept connections using L2TP without IPSec protection, even when IPSec is enabled. This allows VPN sessions without encryption, exposing data in transit and compromising confidentiality...

CVE-2026-0620

When configured as L2TP/IPSec VPN server, Archer AXE75 V1 may accept connections using L2TP without IPSec protection, even when IPSec is enabled. This allows VPN sessions without encryption, exposing data in transit and compromising confidentiality...

PT-2026-6013

When configured as L2TP/IPSec VPN server, Archer AXE75 V1 may accept connections using L2TP without IPSec protection, even when IPSec is enabled. This allows VPN sessions without encryption, exposing data in transit and compromising confidentiality...

MiracleLinux 4 : openswan-2.6.32-4.2.0.1.AXS4 (AXSA:2011-553:01)

The remote MiracleLinux 4 host has a package installed that is affected by a vulnerability as referenced in the AXSA:2011-553:01 advisory. Openswan is a free implementation of IPsec & IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authenticatio...

[SECURITY] Fedora 42 Update: NetworkManager-l2tp-1.52.0-1.fc42

This package contains software for integrating L2TP and L2TP over IPsec VPN support with the NetworkManager...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000310)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000310 advisory. A buffer over-read flaw was found in RH kernel versions before 5.0 in cryptoauthencextractkeys in crypto/authenc.c in the IPsec Cryptographic algorithm's module,...

Cisco SD-WAN vEdge IPSec DoS

The vulnerability of the implementation of IPSec protocol-based microprogramming software for Cisco SD-WAN vEdge routers is related to buffer overflow attacks. Exploiting this vulnerability could allow a malicious actor to cause service interruptions...

CVE-2025-68192

CVE-2025-68192 affects the Linux kernel’s net: usb: qmi_wwan path. The issue arises when processing raw IP packets that leave skb->mac_header uninitialized, causing kernel panics on ARM64 (with xfrm) and on ARM when IPsec is used over qmimux0. The root cause is an uninitialized MAC header in q...