Hotfix XS81E004 - For Citrix Hypervisor 8.1

Who Should Install This Hotfix? This is a hotfix for customers running Citrix Hypervisor 8.1. All customers who are affected by the issues described inCTX275165 - Citrix Hypervisor Multiple Security Updatesshould install this hotfix. Note: Ensure that you use XenCenter 8.1.2 or later to install...

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 ---|---...

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|...

Driver Disk for Broadcom bnxt_en 1.10.1-216.1.123.0 - For Citrix Hypervisor 8.x CR

Who Should Install this Driver Disk? Customers running a Citrix Hypervisor 8.x release who use Bnxt's en driver and wish to use the latest version of the following: Driver Module| Version ---|--- bnxten| 1.10.1216.1.123.0 Issues Resolved In this Driver Disk Includes general enhancements and bug...

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...

The vulnerability of Xen hypervisors arises from the simultaneous execution using a shared resource with incorrect synchronization. This “race condition” allows a malicious actor to cause a service failure or increase their privileges.

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...

[SECURITY] Fedora 32 Update: xen-4.13.2-1.fc32

This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor...

[SECURITY] Fedora 33 Update: xen-4.14.0-9.fc33

This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor...

Fedora: Security Advisory for xen (FEDORA-2020-5398bfb466)

The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

Xen: Multiple vulnerabilities

Background Xen is a bare-metal hypervisor. Description Multiple vulnerabilities have been discovered in Xen. Please review the CVE identifiers referenced below for details. Impact Please review the referenced CVE identifiers for details. Workaround There is no known workaround at this time...

VulnCheck KEV: CVE-2019-5544

VMware ESXi and Horizon Desktop as a Service DaaS OpenSLP contains a heap-based buffer overflow vulnerability that allows an attacker with network access to port 427 to overwrite the heap of the OpenSLP service to perform remote code execution...

UBUNTU-CVE-2020-28368

Xen through 4.14.x allows guest OS administrators to obtain sensitive information such as AES keys from outside the guest via a side-channel attack on a power/energy monitoring interface, aka a "Platypus" attack. NOTE: there is only one logically independent fix: to change the access control for...

Vulnerabilities fixed in Citrix Hypervisor

Vulnerabilities have been fixed in Citrix Hypervisor. The vulnerabilities allow a malicious party to cause a denial-of-service DoS or to execute arbitrary code execute arbitrary code under the application's privileges. Citrix has released updates to fix the vulnerabilities in Hypervisor. For more...

Profile Management Configuration Checking Tool - UPMConfigCheck

Please note: You can download the required file from the Citrix downloads website by visiting the following link: https://www.citrix.com/downloads/citrix-tools Profile Management Configuration Check Tool UPMConfigCheck Created Date: February 27, 2012 Updated Date: August 23, 2023 Description...

Citrix Hypervisor Security Update

Description of Problem Several security issues have been identified in Citrix Hypervisor formerly Citrix XenServer that may allow: unprivileged code in a PV guest VM to compromise that PV guest VM privileged code in a guest VM to cause the host to crash or become unresponsive privileged code in a...