CVE-2025-21977

In the Linux kernel, the following vulnerability has been resolved: fbdev: hypervfb: Fix hang in kdump kernel when on Hyper-V Gen 2 VMs Gen 2 Hyper-V VMs boot via EFI and have a standard EFI framebuffer device. When the kdump kernel runs in such a VM, loading the efifb driver may hang because of...

How to enable "Restore to Azure" Generation 2 VM Support

Feature Change in Veeam Backup & Replication 12.1 and higher Starting in Veeam Backup & Replication 12.1, the setting AzureEnableGeneration2VMRestore is now hard-coded to true. This change enables the restore to Microsoft Azure to generate Generation 2 VMsby default. Purpose This article document...

Restored UEFI-based Windows 2008 R2 SP1 cannot be booted in Hyper-V environment

Challenge After successfully restoring a UEFI-based machine running Server 2008 R2 SP1 to a Hyper-V host, the VM fails to boot. Cause The machine fails to boot due to a machine configuration that conflicts with Hyper-V. For Hyper-V guest Virtual Machines, Server 2008 R2 is only support for use wi...

Update Rollup 6 for System Center 2012 R2 Virtual Machine Manager

Update Rollup 6 for System Center 2012 R2 Virtual Machine Manager Introduction This article describes the issues that are fixed in Update Rollup 6 for Microsoft System Center 2012 R2 Virtual Machine Manager. There are two updates available for Virtual Machine Manager VMM: Server and Administrator...

Dahua Generation 2/3 - Backdoor Access

!/usr/bin/python2.7 if False: ''' 2017-05-03 Public rerelease of Dahua Backdoor PoC https://github.com/mcw0/PoC/blob/master/dahua-backdoor-PoC.py 2017-03-20 With my newfound knowledge of vulnerable devices out there with an unbelievable number of more than 1 million Dahua / OEM units, where...

Update Rollup 11 for System Center 2012 R2 Virtual Machine Manager

Update Rollup 11 for System Center 2012 R2 Virtual Machine Manager Introduction This article describes the issues that are fixed in Update Rollup 11 for Microsoft System Center 2012 R2 Virtual Machine Manager. There are two updates available for System Center 2012 R2 Virtual Machine Manager: one...