563 matches found
Citrix XenServer Guest-to-host DoS (CTX230624)
The version of Citrix XenServer installed on the remote host is missing a security hotfix. It is, therefore, affected by a denial-of-service vulnerability as noted in the CTX230624 advisory. Note this vulnerability only affects Citrix XenServer 7.2 and 7.1 LTSR CU1. C Tenable Network Security, In...
How to set customized BIOS strings to HVM VMs
This article describes the method to set customized BIOS strings to HVM VMs through xe CLI of XenServer 7.3 and later, as well as how to get customized BIOS strings on these VMs...
Citrix XenServer Security Update (CTX230624)
A security issue has been identified within Citrix XenServer that may allow the malicious administrator of a guest VM to cause the host to crash. SPDX-FileCopyrightText: 2017 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective...
Security Update for Citrix XenServer
Description of Problem A security issue has been identified within Citrix XenServer that may allow the malicious administrator of a guest VM to cause the host to crash. This issue affects Citrix XenServer 7.2 and Citrix XenServer 7.1 LTSR CU1. A CVE identifier is not presently available for this...
NetScaler 11.1 - Services flap on VPX/Interface hangs observed on XenServer
Services flaps on VPX/Interface hands observed on XenServer...
Citrix XenServer Multiple Vulnerabilities (CTX230138)
The version of Citrix XenServer installed on the remote host is missing a security hotfix. It is, therefore, affected by multiple vulnerabilities as noted in the CTX230138 advisory. C Tenable Network Security, Inc. include"compat.inc"; if description scriptid105083; scriptversion"1.10";...
Citrix XenServer Multiple Security Updates (CTX230138)
A number of security vulnerabilities have been identified in Citrix XenServer that may allow a malicious administrator of an HVM guest VM to compromise the host. SPDX-FileCopyrightText: 2017 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by t...
XenServer Loses Network connectivity on Pool join (LACP bond entry incomplete)
Upon adding a host to an existing Pool configured with NIC Bonding of type LACP , the newly added host's NIC bond entry never finishes updating, as seen on the image below, where the Management interface never merges with the bond. The previous NIC remains as IP Setup None and the bond shows...
Citrix XenServer Multiple Security Updates
Description of Problem A number of security vulnerabilities have been identified in Citrix XenServer that may allow a malicious administrator of an HVM guest VM to compromise the host. These vulnerabilities affect all currently supported versions of Citrix XenServer up to and including Citrix...
VMs Freezing or Poor Performance (xenvbd event ID 129)
VMs are encountering hang or poor performance issue related with disk I/O. xenvbd event ID 129 . From VM event log: ++++++++++ xenvbd event ID 129 \Device\RaidPort0 reset ++++++++++ - From XenServer messages log: ++++++++++ messages.1: Mar 8 14:11:35 MXVDIS01X tap-ctl1481: tap-err:tapctlreadraw:...
Citrix XenServer Pin Count / Page Reference Grant Table Code Guest-to-Host Memory Corruption Vulnerability (CTX229057)
The version of Citrix XenServer installed on the remote host is missing a security hotfix. It is, therefore, affected by a memory corruption vulnerability as noted in the CTX229057 advisory. C Tenable Network Security, Inc. include"compat.inc"; if description scriptid104174; scriptversion"1.8";...
Citrix XenServer Security Update (CTX229057)
A security vulnerability has been identified in Citrix XenServer that may allow a malicious administrator of a guest VM to compromise the host. SPDX-FileCopyrightText: 2017 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective righ...
CVE-2017-15597 - Citrix XenServer Security Update
Description of Problem A security vulnerability has been identified in Citrix XenServer that may allow a malicious administrator of a guest VM to compromise the host. This vulnerability affects all currently supported versions of Citrix XenServer up to and including Citrix XenServer 7.2. The...
Citrix XenServer Multiple Vulnerabilities (CTX228867)
The version of Citrix XenServer installed on the remote host is missing a security hotfix. It is, therefore, affected by multiple vulnerabilities as noted in the CTX228867 advisory. C Tenable Network Security, Inc. include"compat.inc"; if description scriptid103927; scriptversion"1.7";...
Xen CVE-2017-15595 Denial of Service Vulnerability
Description Xen is prone to a denial-of-service vulnerability. Attackers can exploit this issue to crash the affected application, denying service to legitimate users. Xen Xen version through 4.9.x are vulnerable. Technologies Affected Citrix XenServer 6.0.2 Citrix XenServer 6.2 Citrix XenServer...
Citrix XenServer Multiple Security Updates (CTX228867)
A number of security vulnerabilities have been identified in Citrix XenServer that may allow a malicious administrator of a guest VM to compromise the host. SPDX-FileCopyrightText: 2017 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the...
Citrix XenServer Multiple Security Updates
Description of Problem A number of security vulnerabilities have been identified in Citrix XenServer that may allow a malicious administrator of a guest VM to compromise the host. These vulnerabilities affect all currently supported versions of Citrix XenServer up to and including Citrix XenServe...
How to configure console access on XenServer or Citrix Hypervisor
This article is for customers running Citrix Hypervisor or XenServer who want to configure serial console access to their XenServer hosts. In some support cases, serial console access to the XenServer host is required for debug purposes. The serial connection is to use with HyperTerminal or simil...
Citrix XenServer Multiple Vulnerabilities (CTX227185)
The version of Citrix XenServer installed on the remote host is missing a security hotfix. It is, therefore, affected by multiple vulnerabilities as noted in the CTX227185 advisory. C Tenable Network Security, Inc. include"compat.inc"; if description scriptid103381; scriptversion"1.7";...
Citrix XenServer Multiple Security Updates (CTX227185)
A number of security vulnerabilities have been identified in Citrix XenServer that may allow a malicious administrator of a guest VM to compromise the host. SPDX-FileCopyrightText: 2017 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the...