Cloud Software Group Security Advisory for CVE-2024-6387

Advisory for 3rd party CVE-2024-6387 Cloud Software Group is aware of the vulnerability CVE-2024-6387 impacting OpenSSH. Qualys has discovered a remote unauthenticated code execution vulnerability in OpenSSH’s server sshd in glibc-based Linux systems. Because this vulnerability is a regression of...

Prepare for Citrix Hypervisor 8.2 Cumulative Update 1 End of Life

Citrix Hypervisor 8.2 Cumulative Update 1becomes End of Life onJune 25, 2025. Plan to upgrade to XenServer 8.4 before this date. For more information about XenServer 8.4, see What's New. Key changes in XenServer 8.4 Licensing Only XenServer Premium Edition socket licenses are supported with...

XenServer and Citrix Hypervisor Security Update for CVE-2024-45818

Description of Problem An issue has been identified that affects both XenServer 8 and Citrix Hypervisor 8.2 CU1 LTSR and allows a malicious administrator of a guest VM to cause the host to crash or become unresponsive. This issue has the following identifier: CVE-2024-45818 What Customers Should ...

XenServer 6.x/7.x unsupported with Citrix DaaS and CVAD

XenServer 6.x and 7.x have been end-of-life and are unsupported. Customers still using these versions will see host connections no longer functioning when used with Citrix DaaS and Citrix Virtual Apps and Desktops Version 2411 & later...

Citrix Releases Security Updates for XenServer and Citrix Hypervisor

Citrix released security updates to address multiple vulnerabilities in XenServer and Citrix Hypervisor. A cyber threat actor could exploit some of these vulnerabilities to cause a denial of service condition. CISA encourages users and administrators to review the following and apply necessary...

XenServer and Citrix Hypervisor Security Update for CVE-2024-45817

XenServer and Citrix Hypervisor Security Update Description of Problem An issue has been identified that affects both XenServer 8 and Citrix Hypervisor 8.2 CU1 LTSR and allow a malicious administrator of a guest VM to cause the host to crash or become unresponsive. This issue has the following...

XenServer Security

Introduction We work hard to keep our product secure and endeavour to remediate any exploitable issues. To this end, we regularly release Security Bulletins for vulnerabilites that might affect Citrix Hypervisor and XenServer and software updates that address these vulnerabilities. Overview of th...

XenServer Software Updates

Introduction We provide regular updates to Citrix Hypervisor, XenServer, and XenCenter. These updates can include bug fixes, improvements, and new features. Overview of the Article This article assists you in finding resources that inform you about Citrix Hypervisor and XenServer software updates...

Security Bulletins for XenServer

This article lists historic security bulletins published for XenServer 8.4. We recommend subscribing to security bulletin email alerts for timely notification of new bulletins. The bulletins advise about any software updates that have been published to address the issues. We highly recommend that...

CVAD wizard fails with device name # is invalid when PVS-Accelerator is enabled

We are using XenServer 8.0 and PVS Accelerator the CVAD wizard will fail to create new devices. When an AOT trace is captured and analyzed you will see the following errors in the logs: PVSDllHypervisorPlatformsAO,,0,,5,Information,"XenAPI failure, error description:...

Multipath tools

In enterprise environments where uptime and performance are critical, ensuring continuous and efficient access to storage is paramount. Multipathing is a technique used to provide multiple physical paths between the host and the storage devices. XenServer manages these multiple I/O paths, enablin...

How to collect XenServer Conversion Manager logs

Collect XenServer Conversion Manager logs for analysis...

XenServer and Citrix Hypervisor Security Update for CVE-2024-31143 and CVE-2024-31144

Description of Problem Two issues have been identified, the first of which affects both XenServer 8 and Citrix Hypervisor 8.2 CU1 LTSR and the second of which affects Citrix Hypervisor 8.2 CU1 LTSR only. The first issue, which affects both XenServer 8 and Citrix Hypervisor 8.2 CU1 LTSR, may allow...

Backup and restore capabilities in XenServer xsconsole

XenServer hosts store metadata about VMs and associated resources such as storage and networking. This metadata forms a complete view of all VMs available across the pool. You can backup this database to recover from physical hardware failure and other disaster scenarios. The legacy backup and...

Xenserver Troubleshooting : Comprehensive Guide

Introduction Instances where XenServer encounters various errors preventing its connection to XenCenter Overview of the Issue In different situations, XenServer experiences connectivity issues with XenCenter, possibly due to various factors. This article will outline different scenarios and...

Xenserver Networking: Comprehensive Guide

Introduction This article aims to assist you in addressing network-related issues or configurations on XenServer Overview of the Article This article will direct you to additional articles covering networking on XenServer, focusing on configuration and troubleshooting. Appendix: Top Knowledge...

XenServer VM Tools

Introduction Instances where XenServer encounters various errors while installing XenServer VM tools Overview of the Issue In different situations, XenServer has some issues when installing VM tools, possibly due to various factors. This article will outline different scenarios and potential...

Xenserver Configuration: Comprehensive Guide

Introduction This article will direct you to resources that provide guidance on configuring basic pools for XenServer Top Knowledge Content Basic Configuration guide for a XenServer Pool CTX128391 - How to Remove a Server from a XenServer Pool that Contains Only One Host CTX216127 - How to change...

Xenserver Upgrade: Comprehensive Guide

Introduction This article aims to assist you in XenServer upgrade process and troubleshooting Overview of the Article This article will assist you in finding resources that discuss upgrading procedures and troubleshooting techniques Appendix: Top Knowledge Content Troubleshooting Common Problems...

Xenserver Storage: Comprehensive Guide

Introduction This article will assist you in resolving issues with unavailable VDI Virtual Disk Image. Overview of the Issue In different situations, XenServer experiences issues with starting VM’s , taking a snapshot or scan of SR’s and failing with error “VDI is not available ”. This article wi...