CVE-2022-48846

In the Linux kernel, the following vulnerability has been resolved: block: release rq qos structures for queue without disk blkcginitqueue may add rq qos structures to request queue, previously blkcleanupqueue calls rqqosexit to release them, but commit 8e141f9eb803 "block: drain file system I/O ...

CVE-2022-48846 block: release rq qos structures for queue without disk

In the Linux kernel, the following vulnerability has been resolved: block: release rq qos structures for queue without disk blkcginitqueue may add rq qos structures to request queue, previously blkcleanupqueue calls rqqosexit to release them, but commit 8e141f9eb803 "block: drain file system I/O ...

Xenserver Storage: Comprehensive Guide

Introduction This article will assist you in resolving issues with unavailable VDI Virtual Disk Image. Overview of the Issue In different situations, XenServer experiences issues with starting VM’s , taking a snapshot or scan of SR’s and failing with error “VDI is not available ”. This article wi...

Event ID 7026 - The following boot-start or system-start driver(s) failed to load: Bnistack

On a target hosted on a VMWare Hypervisor and running Provisioning Services Target Device Software 6.0 and later,the target device cannot connect to virtual disk when starting it from the local hard drive.A red ‘X’ appears on the virtual disk status icon in the system tray. In the Event Viewer, t...

How to Configure Multipath Boot from SAN during XenServer Upgrade or Patch

This article describes how to configure multipath boot from Storage Area Network SAN when upgrading or patching XenServer. The upgrade or patching of XenServer can leave the initial ram disk initrd without multipath support...

User Profiles are Created on StoreFront Servers

StoreFront stops working from a full disk or a hard drive that is out of space. User Profiles are created on the Receiver StoreFront server for users of either Receiver for Web or Receiver clients...

Error: XDDS:84D81E3A Unable to Read Disk. Failed to create Machine Catalog. Permission to perform this operation was denied.

Error: XDDS:84D81E3AUnable to Read Disk.Failed to create Machine Catalog. Permission to perform this operation was denied" when creating machine catalog...

Memory Dump File Not Being Generated on Provisioned Target

While attempting to configure a Windows 2008 target server created by Citrix Provisioning Services to generate a complete memory dump, it was observed that the memory dump file was not being created properly. Following CTX123642 – How to Recover Windows Kernel Level Dump Files from Provisioned...

Recommended Install Order for Preparing Target Device Captured by Provisioning Server to Deploy vDisk

This article contains the recommended order to install or prepare a target device that must be captured by the Provisioning Services Sever to deploy a virtual disk...

Importing an Existing vDisk in Provisioning Services Console Causes Error

When importing a vDisk using theProvisioning Services PVSServer Console, the error “Invalid disk file for . Cannot add disk” appears. The SoapServer.log displays the following text, if Info level logging is enabled: INFO Mapi.Command - Get UndefinedDisks: Disk is not valid, needs to be a base .vh...

How to Configure Automatic Virtual Disk Updates

This article contains information about how to use the Provisioning Services Automatic vDisk Update process. Background The vDisks assigned to the clients during the Automatic vDisk Update process are new versions of the vDisks currently assigned to the clients; allowing for the automatic...

Random Application Fails When Using Standard Image Mode with the "Write Cache on Target Hard Disk" Option

Random application fails when using Standard Image mode with the Write Cache on Target Hard Disk option...

Error: "Invalid disk file for [vDisk name]. Cannot add disk" when Importing vDisk

When importing vDisk, the following error appears: “Invalid disk file for vDisk name. Cannot add disk” After clicking OK, the following error appears: “The scan did not find any new vDisks”...

Partition Details are Not Displayed After a Clean Install of XenServer 6.x

On a clean install of XenServer 6.0 or later, the detailed partition does not appear for XenServer boot disk when you run the command,fdisk –l. On XenServer 6.0 or later and running thefdisk –l command, following shows the output and does not display any partition details of the booting disk. Pri...

Drive Letters Change on the Target Devices when the Virtual Disk Changes between Private and Standard Mode

The local drive letter on the target devices change when a virtual disk changes its mode between Private and Standard. In Private mode the extra disk for write cache is E: and the CD/DVD is D:. When the customer changes the virtual disk to Standard mode, the extra disk for write cache changes to ...

CVE-2024-40943 ocfs2: fix races between hole punching and AIO+DIO

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix races between hole punching and AIO+DIO After commit "ocfs2: return real error code in ocfs2diowrgetblock", fstests/generic/300 become from always failed to sometimes failed:...

OpenStack: malicious qcow2/vmdk images

An input validation flaw was discovered in how multiple OpenStack services validate images with backing file references. An authenticated attacker could provide a malicious image via upload, or by creating and modifying an image from an existing volume. Validation of images can be triggered durin...

Critical: Red Hat Security Advisory: Red Hat OpenStack Platform 16.1.9 security update

An update for openstack-cinder, openstack-glance, and openstack-nova is now available for Red Hat OpenStack Platform 16.1 Train. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System CVSS base score, which gives a detailed...

qemu-kvm: 'qemu-img info' leads to host file read/write

A flaw was found in the QEMU disk image utility qemu-img 'info' command. A specially crafted image file containing a json: value describing block devices in QMP could cause the qemu-img process on the host to consume large amounts of memory or CPU time, leading to denial of service or read/write ...

qemu-kvm: 'qemu-img info' leads to host file read/write

A flaw was found in the QEMU disk image utility qemu-img 'info' command. A specially crafted image file containing a json: value describing block devices in QMP could cause the qemu-img process on the host to consume large amounts of memory or CPU time, leading to denial of service or read/write ...