Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel, which stems from the hvinitclocksource function of the hyper-v clock source being incorrectly exported...

PT-2025-14358

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A hang issue in the kdump kernel has been resolved when running on Hyper-V Gen 2 VMs. The problem occurs when the hyperv fb driver moves the framebuffer to a different MMIO address due t...

About Elevation of Privilege – Windows Hyper-V NT Kernel Integration VSP (CVE-2025-21333, CVE-2025-21334, CVE-2025-21335) vulnerability

About Elevation of Privilege - Windows Hyper-V NT Kernel Integration VSP CVE-2025-21333, CVE-2025-21334, CVE-2025-21335 vulnerability. These three vulnerabilities were disclosed as part of Microsoft's January Patch Tuesday and share the same description. They were found in a component used for...

Hyper-V Resilient Change Tracking Performance Issues

Challenge General Hyper-V OS performance degradation can occur when using a backup solution to export Hyper-V VM snapshots during backup operations. Solution Based on investigations between Veeam and Microsoft, two underlying causes have been identified. Resilient Change Tracking Resilient Change...

Microsoft Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability

Microsoft Windows Hyper-V is a tool from Microsoft USA that provides hardware virtualization. An elevation of privilege vulnerability exists in Microsoft Windows Hyper-V NT Kernel Integration VSP, which can be exploited by an attacker to gain elevated privileges on a system...

Microsoft Windows Hyper-V NT Kernel Integration VSP elevation of privilege vulnerability (CNVD-2025-05240)

Microsoft Windows Hyper-V is a tool from Microsoft USA that provides hardware virtualization. An elevation of privilege vulnerability exists in Microsoft Windows Hyper-V NT Kernel Integration VSP, which can be exploited by an attacker to gain elevated privileges on a system...

3 Actively Exploited Zero-Day Flaws Patched in Microsoft's Latest Security Update

Microsoft kicked off 2025 with a new set of patches for a total of 161 security vulnerabilities across its software portfolio, including three zero-days that have been actively exploited in attacks. Of the 161 flaws, 11 are rated Critical and 149 are rated Important in severity. One other flaw, a...

The vulnerability of the VSP Elevation function in the hardware virtualization technology of Windows Hyper-V operating systems allows attackers to elevate their privileges to the SYSTEM level.

The vulnerability of the VSP Elevation function in the hardware virtualization layer of Windows Hyper-V operating systems involves the possibility of exploiting memory after it is freed. Exploiting this vulnerability can allow an attacker to elevate their privileges to the SYSTEM level...

The vulnerability of the VSP Elevation function in the hardware virtualization technology of Windows Hyper-V operating systems allows attackers to elevate their privileges to the SYSTEM level.

The vulnerability of the VSP Elevation function in the hardware virtualization layer of Windows Hyper-V operating systems is related to buffer overflows in dynamic memory. Exploiting this vulnerability can allow an attacker to elevate their privileges to the SYSTEM level...

The vulnerability of the VSP Elevation function in the hardware virtualization technology of Windows Hyper-V operating systems allows attackers to elevate their privileges to the SYSTEM level.

The vulnerability of the VSP Elevation function in the hardware virtualization layer of Windows Hyper-V operating systems involves the possibility of exploiting memory after it is freed. Exploiting this vulnerability can allow an attacker to elevate their privileges to the SYSTEM level...

Microsoft: Happy 2025. Here’s 161 Security Updates

Microsoft today unleashed updates to plug a whopping 161 security vulnerabilities in Windows and related software, including three "zero-day" weaknesses that are already under active attack. Redmond's inaugural Patch Tuesday of 2025 bundles more fixes than the company has shipped in one go since...

Patch Tuesday - January 2025

Microsoft is addressing 161 vulnerabilities this January 2025 Patch Tuesday. Microsoft has evidence of in-the-wild exploitation and/or public disclosure for eight of the vulnerabilities published today, with three listed on CISA KEV. This is now the fourth consecutive month where Microsoft has...

Patch Tuesday - January 2025

Microsoft is addressing 161 vulnerabilities this January 2025 Patch Tuesday. Microsoft has evidence of in-the-wild exploitation and/or public disclosure for eight of the vulnerabilities published today, with three listed on CISA KEV. This is now the fourth consecutive month where Microsoft has...

CVE-2025-21335

Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability...

CVE-2025-21334

Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability...

CVE-2025-21333

Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability...

CVE-2025-21335

Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability...

CVE-2025-21334

Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability...

CVE-2025-21334 Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability

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CVE-2025-21334

CVE-2025-21334 concerns Windows Hyper-V NT Kernel Integration VSP with a Use-After-Free vulnerability. The connected documents indicate this family (CVE-21333/21334/21335) involves host–VM communications, yields Elevation of Privilege on the host via local access, and is part of a trio with CVE-2...