CVE-2016-7777

Xen 4.7.x and earlier does not properly honor CR0.TS and CR0.EM, which allows local x86 HVM guest OS users to read or modify FPU, MMX, or XMM register state information belonging to arbitrary tasks on the guest by modifying an instruction while the hypervisor is preparing to emulate it...

GPU tab on XenCenter is not visible for Citrix Hypervisor 8.2 CU1 hosts

We are not able to see the GPU tab in XenCenter. However we are able to run commands like nvidia-smi and xe vgpu-list...

Xen Multiple Vulnerabilities (XSA-186, XSA-187)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by multiple vulnerabilities : - A flaw exists due to improper handling of instruction pointer truncation when emulating HVM instructions. An attacker on the guest can exploit this to gain...

[SECURITY] Fedora 23 Update: xen-4.5.3-10.fc23

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

CVE-2016-7093

Xen 4.5.3, 4.6.3, and 4.7.x allow local HVM guest OS administrators to overwrite hypervisor memory and consequently gain host OS privileges by leveraging mishandling of instruction pointer truncation during emulation...

ALPINE-CVE-2016-7093

Xen 4.5.3, 4.6.3, and 4.7.x allow local HVM guest OS administrators to overwrite hypervisor memory and consequently gain host OS privileges by leveraging mishandling of instruction pointer truncation during emulation...

CVE-2016-7093

Xen 4.5.3, 4.6.3, and 4.7.x allow local HVM guest OS administrators to overwrite hypervisor memory and consequently gain host OS privileges by leveraging mishandling of instruction pointer truncation during emulation...

Design/Logic Flaw

Xen 4.5.3, 4.6.3, and 4.7.x allow local HVM guest OS administrators to overwrite hypervisor memory and consequently gain host OS privileges by leveraging mishandling of instruction pointer truncation during emulation...

UBUNTU-CVE-2016-7093

Xen 4.5.3, 4.6.3, and 4.7.x allow local HVM guest OS administrators to overwrite hypervisor memory and consequently gain host OS privileges by leveraging mishandling of instruction pointer truncation during emulation...

CVE-2016-7093

CVE-2016-7093 affects the Xen hypervisor (versions around 4.5.x–4.7.x). Local HVM guest administrators can overwrite hypervisor memory and escalate to host privileges due to mishandling of instruction pointer truncation during emulation. Distributions document fixes in Xen releases such as 4.6.3+...

CVE-2016-7093

Xen 4.5.3, 4.6.3, and 4.7.x allow local HVM guest OS administrators to overwrite hypervisor memory and consequently gain host OS privileges by leveraging mishandling of instruction pointer truncation during emulation...

Ubuntu: Security Advisory (USN-3084-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2016 Greenbone AG 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-only ifdescription...

Ubuntu 14.04 LTS : Linux kernel (Xenial HWE) vulnerabilities (USN-3084-2)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3084-2 advisory. USN-3084-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enableme...

USN-3084-4: Linux kernel (Qualcomm Snapdragon) vulnerabilities

Pengfei Wang discovered a race condition in the audit subsystem in the Linux kernel. A local attacker could use this to corrupt audit logs or disrupt system-call auditing. CVE-2016-6136 It was discovered that the powerpc and powerpc64 hypervisor-mode KVM implementation in the Linux kernel for did...

VMWare Releases Security Updates

VMware has released a security update to address vulnerabilities in vSphere Hypervisor ESXi, Workstation Pro, Workstation Player, Fusion, and Tools. Exploitation of one of these vulnerabilities could allow a remote attacker to take control of an affected system. US-CERT encourages users and...

[SECURITY] Fedora 25 Update: xen-4.7.0-5.fc25

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

[SECURITY] Fedora 24 Update: xen-4.6.3-5.fc24

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

Debian DLA-614-1 : xen security update

Multiple vulnerabilities have been discovered in the Xen hypervisor. The Common Vulnerabilities and Exposures project identifies the following problems : CVE-2016-7092 XSA-185 Jeremie Boutoille of Quarkslab and Shangcong Luan of Alibaba discovered a flaw in the handling of L3 pagetable entries,...

Debian DSA-3663-1 : xen - security update

Multiple vulnerabilities have been discovered in the Xen hypervisor. The Common Vulnerabilities and Exposures project identifies the following problems : - CVE-2016-7092 XSA-185 Jeremie Boutoille of Quarkslab and Shangcong Luan of Alibaba discovered a flaw in the handling of L3 pagetable entries,...

How to take Pool Metadata backup on XenServer 8.2 CU1

What is Pool Metadata ? XenServer hosts use a database on each host to store metadata about VMs and associated resources such as storage and networking. When combined with storage repositories, this database forms the complete view of all VMs available across the pool. Therefore, it is important ...