4780 matches found
CVE-2021-28476
CVE-2021-28476: Hyper-V vmswitch.sys arbitrary pointer dereference from guest VM Summary: A Hyper-V guest virtual machine can trigger a Denial-of-Service condition on its underlying host due to unsafe parsing of input by the VmsIfrInfoParamsOIDSWITCHNICREQUEST function in vmswitch.sys. The crash ...
CVE-2021-28476-tools-env
pack test and exploitdev for POC CVE-2021-28476 from bluefrostsecurity researcher installation guide: cd tools/ ./addtopathtools.sh addition tools for /usr/bin/ remove tools from /usr/bin: cd tools/ ./deltopathtools.sh tools: pocinit: description: preinit env guest host for compile POC see...
s6_pcie_microblaze
PCI Express DIY hacking toolkit General information Contents SP605 board configuration Software configuration Examples Using Python API Practical DMA attacks Option ROM attacks Troubleshooting Building project from the source code General information This repository contains a set of tools and...
hyperv_local_dos_poc
Hyper-V DoS PoC. This is code files of Visual Studio 2019 driver project. 1. Compile driver. 2. Enable nested virtualization for guest OS using command: Set-VMProcessor -VMName -ExposeVirtualizationExtensions $true 3. Run driver inside guest OS. Host OS will be rebooted or generate BSOD with...
CVE-2025-21333
CVE-2025-21333 Hyper-V NT Kernel Integration VSP vkrnlintvsp.sys Paged Pool heap overflow → Local Privilege Escalation LPE. This directory contains lab PoC source code based on MrAle98/CVE-2025-21333-POC, including a local patch. 1. Vulnerability Summary Item| Content ---|--- CVE| CVE-2025-21333...
CVE-2023-36407
CVE-2023-36407 This is poc for CVE-2023-36407, Hyper-V Elevation of Privilege Vulnerability. https://github.com/pwndorei/CVE-2023-36407/assets/96749184/a8ef87d3-e0d0-40e5-9b23-35ab057a9c78 Vulnerability OOB Read/Write from/to Non-paged Pool via winhvr.sys!WinHvGet/SetVpState Reproduction Steps...
CVE-2021-28476
CVE-2021-28476: Microsoft Hyper-V: Multiple Vulnerabilities in vmswitch Multiple bugs are present in WPP code when handling set OID requests, one of them allowing to dereference read access an attacker controlled pointer, and the rest causing out of bounds read accesses. This repository contains...
gerhart01
gerhart01 CVE-2020-0890 | Windows Hyper-V Denial of Service Vulnerability proof-of-concept code...
HyperDeceit
HyperDeceit This repository contains the full source-code of the HyperDeceit project which is a library that allows you to impersonate as Hyper-V and intercept hypercalls done by the Windows kernel. Blog post: https://reversing.info/posts/hyperdeceit/ Disclaimer The code has not been through prop...
0vercl0k
0vercl0k PoC for CVE-2021-28476 a guest-to-host "Hyper-V Remote Code Execution Vulnerability" in vmswitch.sys...
CVE-2026-99216
A flaw was found in the Linux kernel's Hyper-V Virtual Machine Bus VMBus driver. During driver exit or connection failure handling, the connection state is prematurely set to disconnected before the disconnect routine runs, preventing the driver from notifying the host hypervisor to unload the...
CVE-2024-23741
CVE-2024-23741 An issue in Hyper through 3.4.1 on macOS allows a remote attacker to execute arbitrary code via the RunAsNode and enableNodeClilnspectArguments settings. There is a tool designed to automate the process of searching for vulnerabilities in electron:...
h2buster
h2buster v0.4d A fast, threaded, recursive, web directory brute-force scanner over HTTP/2 using hyper, inspired by Gobuster. Features Fast and portable - install hyper and run. Multiconnection scanning. Multithreaded connections. Scalable: scans can be as docile or aggressive as you configure the...
CVE-2026-99216
In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: Don't reset VMBus connection state on error/exit paths In two places, current code forces vmbusconnection.connstate to DISCONNECTED prior to calling vmbusdisconnect. But vmbusdisconnect calls vmbusinitiateunload, whi...
CVE-2026-99216 Drivers: hv: Don't reset VMBus connection state on error/exit paths
In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: Don't reset VMBus connection state on error/exit paths In two places, current code forces vmbusconnection.connstate to DISCONNECTED prior to calling vmbusdisconnect. But vmbusdisconnect calls vmbusinitiateunload, whi...
CVE-2026-99216 Drivers: hv: Don't reset VMBus connection state on error/exit paths
In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: Don't reset VMBus connection state on error/exit paths In two places, current code forces vmbusconnection.connstate to DISCONNECTED prior to calling vmbusdisconnect. But vmbusdisconnect calls vmbusinitiateunload, whi...
EUVD-2026-111968
In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: Don't reset VMBus connection state on error/exit paths In two places, current code forces vmbusconnection.connstate to DISCONNECTED prior to calling vmbusdisconnect. But vmbusdisconnect calls vmbusinitiateunload, whi...
CVE-2026-99216
The Linux kernel contains a vulnerability in the hv (Hyper-V) drivers where the vmbus_connection.conn_state is incorrectly forced to DISCONNECTED during certain error or exit paths before calling vmbus_disconnect(). Because vmbus_disconnect() relies on vmbus_initiate_unload(), which only unloads ...
CVE-2026-99120 KVM: x86/mmu: Cope with the SS bit being set in #NPF exit codes
In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Cope with the SS bit being set in NPF exit codes When running Hyper-V from Windows 11, KVM is seeing the SS bit set in nested page fault error codes produced for shadowed NPT. The AMD manual is unclear about when SS...
CVE-2026-99120 KVM: x86/mmu: Cope with the SS bit being set in #NPF exit codes
In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Cope with the SS bit being set in NPF exit codes When running Hyper-V from Windows 11, KVM is seeing the SS bit set in nested page fault error codes produced for shadowed NPT. The AMD manual is unclear about when SS...