Citrix Virtual Apps and Desktops - Unable to create/update catalog in Hyper-V Environment

When admin tries to create or update machine catalog, there is an error message displayed in Studio. Error details: Failed to update the master image associated with the provisioning scheme because the configuration validating is not successful. If you check the details: StudioErrorId :...

Oracle Linux VM Restored to Azure Fails to Boot

Challenge After restoring a VM to Azure that ran Oracle Linux, that VM fails to boot. Cause Some Oracle Linux deployments may not include the Hyper-V-related UEK Unbreakable Enterprise Kernel modules, such as: hvvmbus hvstorvsc hvutils hvnetvsc When these modules are missing, issues can occur...

Ubuntu 20.04 LTS : Linux kernel (Intel IoTG) vulnerabilities (USN-7459-1)

"The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7459-1 advisory. Jann Horn discovered that the watchqueue event notification subsystem in the Linux kernel contained an out-of-bounds write vulnerability. A local attack...

CVE-2025-22045

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Fix flushtlbrange when used for zapping normal PMDs On the following path, flushtlbrange can be used for zapping normal PMD entries PMD entries that point to page tables together with the PTE entries in the pointed-to pag...

April 16, 2025—KB5059092 (OS Build 20348.3566) Out-of-band

April 16, 2025—KB5059092 OS Build 20348.3566 Out-of-band For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview of Windows Server 2022, see its update history page.Be sure to follow @WindowsUpdate to find out when n...

April 16, 2025—KB5059091 (OS Build 17763.7249) Out-of-band

April 16, 2025—KB5059091 OS Build 17763.7249 Out-of-band Support for Windows 10 has ended on October 14, 2025 After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, but we...

April 16, 2025—KB5059087 (OS Build 26100.3781) Out-of-band

April 16, 2025—KB5059087 OS Build 26100.3781 Out-of-band For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview of Windows Server 2025, see its update history page. Follow @WindowsUpdate to find out when new content...

Security Bulletin: Multiple vulnerabilities in IBM WebSphere Application Server Liberty, OpenSSL, libcurl, and IBM Java may affect IBM Storage Protect for Virtual Environments: Data Protection for Microsoft Hyper-V

Summary IBM Storage Protect for Virtual Environments: Data Protection for Microsoft Hyper-V can be affected by security flaws in IBM WebSphere Application Server Liberty, OpenSSL, libcurl, and IBM Java. The flaws can lead to denial of service, sensitive information exposure, memory resource...

CVE-2025-27491

Use after free in Windows Hyper-V allows an authorized attacker to execute code over a network...

The vulnerability of the Hyper-converged Infrastructure of Microsoft Azure Stack (HCI), which stems from insufficient validation of input data, allows attackers to escalate their privileges.

The vulnerability of the Hyper-converged Infrastructure of Microsoft Azure Stack HCI is related to insufficient validation of input data. Exploiting this vulnerability can allow attackers to enhance their privileges...

KVM: x86: Reject Hyper-V's SEND_IPI hypercalls if local APIC isn't in-kernel

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The vulnerability of the Windows Hyper-V hardware virtualization system allows a perpetrator to execute arbitrary code.

The vulnerability of the Windows Hyper-V hardware virtualization system is related to the use of memory after it is freed. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

CVE-2025-27491

Use after free in Windows Hyper-V allows an authorized attacker to execute code over a network...

CVE-2025-27491

Use after free in Windows Hyper-V allows an authorized attacker to execute code over a network...

CVE-2025-27491 Windows Hyper-V Remote Code Execution Vulnerability

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CVE-2025-27491

CVE-2025-27491 is a Windows Hyper-V remote code execution vulnerability described in the initial document as a use-after-free that could allow an authenticated attacker to execute code over the network. Connected sources corroborate Hyper-V as the affected component and reference patch delivery i...

CVE-2025-27491 Windows Hyper-V Remote Code Execution Vulnerability

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Windows Hyper-V Remote Code Execution Vulnerability

Use after free in Windows Hyper-V allows an authorized attacker to execute code over a network...

SUSE 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...

Microsoft Hyper-V 资源管理错误漏洞

Microsoft Hyper-V is an application from Microsoft Corporation USA. A system hypervisor virtualization technology that enables desktop virtualization. A resource management error vulnerability exists in Microsoft Hyper-V. An attacker exploiting this vulnerability could remotely execute code. The...