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

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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...

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 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...

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...

PT-2025-15549 · Microsoft · Windows Hyper-V +1

Name of the Vulnerable Software and Affected Versions: Windows Hyper-V affected versions not specified Description: The issue is related to a use after free condition in Windows Hyper-V, which can be exploited by a remote attacker to execute arbitrary code. This can potentially allow an attacker ...

USN-7421-1 linux-azure-5.15, linux-azure-fde-5.15 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V architecture; - S390 architecture; - Supe...

SUSE CVE-2025-21978

In the Linux kernel, the following vulnerability has been resolved: drm/hyperv: Fix address space leak when Hyper-V DRM device is removed When a Hyper-V DRM device is probed, the driver allocates MMIO space for the vram, and maps it cacheable. If the device removed, or in the error path for devic...

The Bug Report - March 2025 Edition

The Bug Report - March 2025 Edition By Jonathan Omakun · April 3, 2025 Why am I here? Welcome to the March 2025 edition of The Bug Report—where the bracket-breaking isn’t just happening on the court. While US college basketball fans are busy filling out brackets and chasing Cinderella stories,...

USN-7407-1 linux-hwe-5.15 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V architecture; - S390 architecture; - Supe...

SUSE CVE-2025-21976

In the Linux kernel, the following vulnerability has been resolved: fbdev: hypervfb: Allow graceful removal of framebuffer When a Hyper-V framebuffer device is unbind, hypervfb driver tries to release the framebuffer forcefully. If this framebuffer is in use it produce the following WARN and henc...

USN-7401-1: Linux kernel (AWS) vulnerabilities

Chenyuan Yang discovered that the CEC driver driver in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2024-23848 Attila Szász discovered that the HFS+ file system...