CVE-2026-64000

A flaw was found in the Linux kernel's High-availability Seamless Redundancy HSR module. This vulnerability allows an attacker to cause an out-of-bounds OOB access by sending a specially crafted, truncated supervision frame. The issue arises because the system does not ensure the entire TLV...

CVE-2026-64123

In the Linux kernel, the following vulnerability has been resolved: net: hsr: defer node table free until after RCU readers HSR node-list and node-status generic-netlink operations run under rcureadlock. They walk hsr-nodedb through hsrgetnextnode and hsrgetnodedata, but RTMDELLINK teardown remov...

CVE-2026-64123

CVE-2026-64123 concerns the Linux kernel HSR subsystem. The vulnerability arises when HSR node-list/node-status operations run under rcu_read_lock() and RTM_DELLINK teardown frees the same node table immediately via list_del(), allowing a generic-netlink reader to hold a pointer to a freed hsr_no...

EUVD-2026-45573

In the Linux kernel, the following vulnerability has been resolved: net: hsr: fix potential OOB access in supervision frame handling Ensure the entire TLV header is linearized before access by adding sizeofstruct hsrsuptlv to the pskbmaypull calls. Without this, a truncated frame could cause an...

CVE-2026-64000 net: hsr: fix potential OOB access in supervision frame handling

In the Linux kernel, the following vulnerability has been resolved: net: hsr: fix potential OOB access in supervision frame handling Ensure the entire TLV header is linearized before access by adding sizeofstruct hsrsuptlv to the pskbmaypull calls. Without this, a truncated frame could cause an...

PT-2026-61440

In the Linux kernel, the following vulnerability has been resolved: net: hsr: defer node table free until after RCU readers HSR node-list and node-status generic-netlink operations run under rcu read lock. They walk hsr-node db through hsr get next node and hsr get node data, but RTM DELLINK...

Oracle Linux 10 : pcs (ELSA-2026-19008)

The remote Oracle Linux 10 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-19008 advisory. - Fixed CVE-2026-4800 by updating HA Cluster Management add-on to 0.1.24.3 Resolves: RHEL-164079 Tenable has extracted the preceding description block directl...

Important: Red Hat Security Advisory: Red Hat OpenShift GitOps v1.21.1 security update

Important: Red Hat OpenShift GitOps v1.21.1 security update An update is now available for Red Hat OpenShift GitOps. Bug Fixes and Enhancements: GITOPS-10083 RC 1.21.0-7: Missing permission for web-based terminal in Argocd UI GITOPS-10178 OpenShift GitOps operator v1.21.0 breaks Redis-HA...

CVE-2026-53353

A flaw was found in the Linux kernel's High-availability Seamless Redundancy HSR module. An incorrect assumption in the hsraddrisself function regarding the selfnode during device unregistration could lead to unexpected system behavior. This occurs because the selfnode is cleared before the devic...

[SECURITY] Fedora 44 Update: pacemaker-3.0.2-3.fc44

Pacemaker is an advanced, scalable High-Availability cluster resource manager. It supports more than 16 node clusters with significant capabilities for managing resources and dependencies. It will run scripts at initialization, when machines go up or down, when related resources fail and can be...

[SECURITY] Fedora 43 Update: pacemaker-3.0.2-3.fc43

Pacemaker is an advanced, scalable High-Availability cluster resource manager. It supports more than 16 node clusters with significant capabilities for managing resources and dependencies. It will run scripts at initialization, when machines go up or down, when related resources fail and can be...

Security Bulletin: Dirty COW Vulnerability (CVE-2016-5195)

Question Security Bulletin: Dirty COW Vulnerability CVE-2016-5195 "Business Unit":"code":"BU059","label":"IBM Software w/o TPS","Product":"code":"SS8NDZ","label":"IBM Aspera","Component":"","Platform":"code":"PF025","label":"Platform Independent","Version":"All Versions","Edition":"","Line of...

Ubuntu 24.04 LTS / 25.10 : Kea DHCP vulnerability (USN-8403-1)

The remote Ubuntu 24.04 LTS / 25.10 host has packages installed that are affected by a vulnerability as referenced in the USN-8403-1 advisory. Ali Norouzi discovered that Kea DHCP did not properly handle maliciously crafted messages over configured API sockets and HA listeners. A remote attacker...

[SECURITY] Fedora 43 Update: pcs-0.12.2-2.fc43

pcs is a configuration tool for Corosync and Pacemaker. It permits users to easily view, modify and create high availability clusters based on Pacemaker. This package contains the pcs command-line utility and its server pcsd...

[SECURITY] Fedora 44 Update: pcs-0.12.2-2.fc44

pcs is a configuration tool for Corosync and Pacemaker. It permits users to easily view, modify and create high availability clusters based on Pacemaker. This package contains the pcs command-line utility and its server pcsd...

USN-8403-1 isc-kea vulnerability

Ali Norouzi discovered that Kea DHCP did not properly handle maliciously crafted messages over configured API sockets and HA listeners. A remote attacker could possibly use this issue to cause Kea DHCP to crash, resulting in a denial of service...

PT-2026-47596

Ali Norouzi discovered that Kea DHCP did not properly handle maliciously crafted messages over configured API sockets and HA listeners. A remote attacker could possibly use this issue to cause Kea DHCP to crash, resulting in a denial of service...

Important: Red Hat Security Advisory: resource-agents security update

An update for resource-agents is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service. Red Hat Product Security has rated this...

Important: Red Hat Security Advisory: resource-agents security update

An update for resource-agents is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability...

[SECURITY] Fedora 43 Update: haproxy-3.0.23-2.fc43

HAProxy is a TCP/HTTP reverse proxy which is particularly suited for high availability environments. Indeed, it can: - route HTTP requests depending on statically assigned cookies - spread load among several servers while assuring server persistence through the use of HTTP cookies - switch to...