Hotfix XS81E005 - For Citrix Hypervisor 8.1

Who Should Install This Hotfix? This is a hotfix for customers running Citrix Hypervisor 8.1. Note: Ensure that you use XenCenter 8.1.2 or later to install this hotfix. The latest version of XenCenter is available from theCitrix Hypervisor Download site. Information About this Hotfix Component|...

Hotfix XS81E001 - For Citrix Hypervisor 8.1

Who Should Install This Hotfix? This is a hotfix for customers running Citrix Hypervisor 8.1. Note : EnsurethatyouuseXenCenter8.1.2orlatertoinstallthishotfix.ThelatestversionofXenCenterisavailablefrom the CitrixHypervisorDownloadsite. Information About this Hotfix Component| Details ---|---...

Updates to XenVBD Windows I/O driver - For Citrix Hypervisor and XenServer

Who Should Read This Article? This information is for customers using Citrix Hypervisor or XenServer who are entitled to receive automatic Windows I/O driver updates on their Windows VMs. Latest version The following versions of XenVBD are the latest that are available through Windows Automatic...

Hotfix XS80E014 - For Citrix Hypervisor 8.0

Who Should Install This Hotfix? This is a hotfix for customers running Citrix Hypervisor 8.0. All customers who are affected by the issues described inCTX280451 - Citrix Hypervisor Multiple Security Updatesshould install this hotfix. Note: This hotfix is available only to customers on theCustomer...

Hotfix XS82E004 - For Citrix Hypervisor 8.2

Who Should Install This Hotfix? This is a hotfix for customers running Citrix Hypervisor 8.2. Information About this Hotfix Component| Details ---|--- Prerequisite| None Post-update tasks| None Content live patchable| No Baselines for Live Patch| N/A Revision History| Published on Oct 13, 2020...

Hotfix XS80E009 - For Citrix Hypervisor 8.0

Who Should Install This Hotfix? This is a hotfix for customers running Citrix Hypervisor 8.0. All customers who are affected by the issues described inCTX266932 - Citrix Hypervisor Multiple Security Updatesshould install this hotfix. Information About this Hotfix Component| Details ---|---...

Hotfix XS80E004 - For Citrix Hypervisor 8.0

Who Should Install This Hotfix? This is a hotfix for customers running Citrix Hypervisor 8.0. Information About this Hotfix Component| Details ---|--- Prerequisite| None Post-update tasks| Restart Host Content live patchable| Yes Baselines for Live Patch| XS80E003 Revision History| Published on A...

XenCenter 8.1.2 - For Citrix Hypervisor 8.1

Who Should Install This Update? This XenCenter update is for customers who use XenCenter as the management console for Citrix Hypervisor 8.1.0 or an earlier CR. It constitutes the following deliverable: File Name| XenCenter.msi ---|--- Description| This file updates the XenCenter installation on...

Vulnerabilities fixed in VMware ESXi, Workstation and Fusion

VMWare has fixed two vulnerabilities in VMWare Workstation, ESXi and Fusion. A malicious person with authorization in a virtual environment could exploit the vulnerabilities to break out of the virtual environment and execute arbitrary code with the permissions of the virtualization process on th...

Hotfix XS80E008 - For Citrix Hypervisor 8.0

Who Should Install This Hotfix? This is a hotfix for customers running Citrix Hypervisor 8.0. All customers who are affected by the issues described inCTX263684 - Citrix Hypervisor Multiple Security Updatesshould install this hotfix. The mitigation for CVE-2018-12207 is disabled by default. You...

Enable mitigations for CVE-2018-12207

Depending on your hardware, your Citrix Hypervisor or XenServer installation may be affected by the security issue with the identifierCVE-2018-12207. Citrix provides the following hotfixes to mitigate this issue: XS70E075, XS71ECU2024, XS76E012,XS80E008. For more information, seeCitrix Hypervisor...

Hotfix XS82E009 - For Citrix Hypervisor 8.2

Who Should Install This Hotfix? This is a hotfix for customers running Citrix Hypervisor 8.2. All customers who are affected by the issues described inCTX284874 - Citrix Hypervisor Multiple Security Updatesshould install this hotfix. Information About this Hotfix Component| Details ---|---...

Hotfix XS82E007 - For Citrix Hypervisor 8.2

Who Should Install This Hotfix? This is a hotfix for customers running Citrix Hypervisor 8.2. This hotfix supersedesHotfix XS82E005. All customers who are affected by the issues described inCTX282314 - Citrix Hypervisor Multiple Security Updatesshould install this hotfix. Information About this...

Hotfix XS82E003 - For Citrix Hypervisor 8.2

Who Should Install This Hotfix? This is a hotfix for customers running Citrix Hypervisor 8.2. All customers who are affected by the issues described inCTX280451 - Citrix Hypervisor Multiple Security Updatesshould install this hotfix. Information About this Hotfix Component| Details ---|---...

Hotfix XS82E008 - For Citrix Hypervisor 8.2

Who Should Install This Hotfix? This is a hotfix for customers running Citrix Hypervisor 8.2. All customers who are affected by the issues described inCTX284874 - Citrix Hypervisor Multiple Security Updatesshould install this hotfix. Information About this Hotfix Component| Details ---|---...

Xen Hypervisor Race Condition

The vulnerability of Xen hypervisors arises from the simultaneous execution using a shared resource with incorrect synchronization. Exploiting this vulnerability can allow an attacker to cause service failures or increase their privileges...

Citrix Hypervisor Security Update

Description of Problem A security issue has been identified in Citrix Hypervisor that may allow privileged code running in a guest VM to infer details of some computations occurring in other VMs on the host. This may, for example, be used to infer a secret encryption key used by a web server in a...

Several vulnerabilities fixed in Citrix Hypervisor and XenDesktop

Citrix has fixed vulnerabilities in XenDesktop and Hypervisor. The vulnerabilities in XenDesktop allow a malicious party to to gain elevated privileges on a virtual Windows environment and execute code with SYSTEM privileges. The vulnerability in Hypervisor allows a remote malicious person to abl...

Xen Platypus information leak via power sidechannel (XSA-351)

An information disclosure vulnerability exists in power/energy monitoring interfaces, which can be used to create covert channels and infer the operations and data used by other contexts within the system. C Tenable Network Security, Inc. include'compat.inc'; if description scriptid142889;...

System Management Mode deep dive: How SMM isolation hardens the platform

Ensuring that the platform firmware is healthy and trustworthy is fundamental to guaranteeing that powerful platform security features like Hypervisor-protected code integrity HVCI and Windows Defender Credential Guard are functioning as expected. Windows 10 achieves this by leveraging a...