XenServer and Citrix Hypervisor Security Update for CVE-2024-5661

XenServer and Citrix Hypervisor Security Update for CVE-2024-5661

book

Article ID: CTX677100

calendar_today

Updated On:

Description

An issue has been identified in both XenServer 8 and Citrix Hypervisor 8.2 CU1 LTSR which may allow a malicious administrator of a guest VM to cause the host to become slow and/or unresponsive.
This issue has the following identifier:

  • CVE-2024-5661

CVE-2024-5661 affects all deployments.

Summary

CVE IDDescriptionPre-requisitesCWE
CVE-2024-5661Potential Denial of ServicePrivileged access within a guest VMCWE-799

Instructions

For customers using XenServer 8, we have pushed an update to both the Early Access and Normal update channels. We recommend that customers update to the latest version from their chosen channel following the instructions at https://docs.xenserver.com/en-us/xenserver/8/update

For customers using Citrix Hypervisor 8.2 CU1 LTSR, we have released a hotfix to address this issue. We recommend that customers install this hotfix and follow the instructions in the linked article as their update schedule permits. The hotfix can be downloaded from the following location:

CTX677067- https://support.citrix.com/article/CTX677067

What Citrix is Doing

Citrix is notifying customers and channel partners about this potential security issue through the publication of this security bulletin on the Citrix Knowledge Center at https://support.citrix.com/securitybulletins.

Obtaining Support on This Issue

If you require technical assistance with this issue, please contact Citrix Technical Support. Contact details for Citrix Technical Support are available at https://www.citrix.com/support/open-a-support-case.

Subscribe to Receive Alerts

Citrix strongly recommends that all customers subscribe to receive alerts when a Citrix security bulletin is created or modified at https://support.citrix.com/user/alerts.

Reporting Security Vulnerabilities to Citrix

Citrix welcomes input regarding the security of its products and considers any and all potential vulnerabilities seriously. For details on our vulnerability response process and guidance on how to report security-related issues to Citrix, please see the following webpage: https://www.citrix.com/about/trust-center/vulnerability-process.html.

Disclaimer

This document is provided on an "as is" basis and does not imply any kind of guarantee or warranty, including the warranties of merchantability or fitness for a particular use. Your use of the information on the document is at your own risk. Citrix reserves the right to change or update this document at any time. Customers are therefore recommended to always view the latest version of this document directly from the Citrix Knowledge Center.

 

Additional Information

2024-06-11 T 16:00:00ZInitial Publication
2024-07-13 T 15:15:00ZPlatform migration
Powered by Wolken Software