kernel: xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete

A flaw was found in the Linux kernel's xfrm IPSec framework subsystem. This vulnerability, a use-after-free, occurs when the system incorrectly manages memory related to security policies, specifically during the deletion of xfrmstate lists. An attacker with local access could exploit this flaw b...

Setup IPsec VPN — Updated!

English | 简体中文 | 繁體中文 | 日本語 | Русский IPsec VPN Server Auto Setup Scripts Set up your own IPsec VPN server in just a few minutes, with IPsec/L2TP, Cisco IPsec and IKEv2. An IPsec VPN encrypts your network traffic, so that nobody between you and the VPN server can eavesdrop on your data as it...

EUVD-2026-63752

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 A stack memory corruption vulnerability exists in the AIX IPsec ESP decapsulation handler. Successful exploitation may corrupt kernel stack state and cause a system crash, resulting in denial of service...

CVE-2026-19448

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 A stack memory corruption vulnerability exists in the AIX IPsec ESP decapsulation handler. Successful exploitation may corrupt kernel stack state and cause a system crash, resulting in denial of service...

CVE-2026-19448

CVE-2026-19448 is a stack memory corruption vulnerability in the AIX IPsec ESP decapsulation handler , affecting IBM AIX 7.2, 7.3 and IBM PowerVM VIOS 4.1 . Successful exploitation can corrupt kernel stack state and trigger a system crash , resulting in denial of service . NVD assigns a CVSS 3.1 ...

CVE-2026-19448 Vulnerabilities in IBM AIX and PowerVM VIOS

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 A stack memory corruption vulnerability exists in the AIX IPsec ESP decapsulation handler. Successful exploitation may corrupt kernel stack state and cause a system crash, resulting in denial of service...

CVE-2026-19448 Vulnerabilities in IBM AIX and PowerVM VIOS

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 A stack memory corruption vulnerability exists in the AIX IPsec ESP decapsulation handler. Successful exploitation may corrupt kernel stack state and cause a system crash, resulting in denial of service...

CVE-2026-66785 Submariner: submariner: missing validation of remote endpoint subnets and clusterid enables cross-cluster traffic hijack

A flaw was found in Submariner. This vulnerability allows a malicious cluster spoke to redirect network traffic from other connected clusters peer clusters by publishing a specially crafted network endpoint. The system fails to properly validate the network subnets provided by the malicious...

CVE-2026-16924

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to an improper calculation of a memory offset during IPsec decapsulation...

CVE-2026-16924 Vulnerabilities in IBM AIX and PowerVM VIOS

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to an improper calculation of a memory offset during IPsec decapsulation...

CVE-2026-16924

IBM AIX 7.2, 7.3, and PowerVM VIOS 4.1 contain a flaw in IPsec decapsulation where improper memory offset calculation allows a remote, unauthenticated attacker to trigger a denial of service (CVSS 7.5 HIGH). No exploitation or patch details are provided in the documents; a reference link to IBM s...

CVE-2026-16924 Vulnerabilities in IBM AIX and PowerVM VIOS

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to an improper calculation of a memory offset during IPsec decapsulation...

EUVD-2026-63384

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to an improper calculation of a memory offset during IPsec decapsulation...

PT-2026-79255

Name of the Vulnerable Software and Affected Versions IBM AIX versions 7.2 and 7.3 IBM PowerVM VIOS version 4.1 Description A stack memory corruption issue exists in the AIX IPsec ESP decapsulation handler. This can lead to the corruption of the kernel stack state, potentially causing a system...

CVE-2026-16924: Integer Underflow (Wrap or Wraparound)

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to an improper calculation of a memory offset during IPsec decapsulation...

CVE-2026-19448: Use of Uninitialized Resource

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 A stack memory corruption vulnerability exists in the AIX IPsec ESP decapsulation handler. Successful exploitation may corrupt kernel stack state and cause a system crash, resulting in denial of service...

PT-2026-79030

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to an improper calculation of a memory offset during IPsec decapsulation...

CVE-2026-72451

A flaw was found in the Linux kernel's xfrm IPSec framework component. A race condition exists in the xfrm state cache insertion logic. This occurs because the validity of a state is checked before a global lock is acquired, allowing another process to invalidate the state before it is added to t...

CVE-2026-66781

A flaw was found in the Submariner operator. The Submariner Custom Resource CR, used for configuring network connectivity, stores the IPsec pre-shared key PSK in an unencrypted format. This key, which is critical for securing communication between Kubernetes clusters, can be accessed by...

CVE-2026-66781 Submariner-operator: pprof debug endpoint enabled by default on 0.0.0.0:8082 without authentication

A flaw was found in the Submariner operator. The Submariner Custom Resource CR, used for configuring network connectivity, stores the IPsec pre-shared key PSK in an unencrypted format. This key, which is critical for securing communication between Kubernetes clusters, can be accessed by...