Hypervisor-From-Scratch

Hypervisor From Scratch A tutorial on creating a hypervisor from scratch All the parts » Part 1 · Part 2 · Part 3 · Part 4 · Part 5 · Part 6 · Part 7 · Part 8 If you're looking to use a hypervisor for analysis and reverse engineering tasks, check outHyperDbg Debugger. It's a hypervisor-based...

matrix-rs

Windows Kernel Blue Pill Type-2 Hypervisor in Rust Codename: Matrix Blog: https://memn0ps.github.io/hypervisors-for-memory-introspection-and-reverse-engineering/ A lightweight, memory-safe, and blazingly fast Rust-based type-2 research hypervisor with hooks for Intel VT-x, focused on studying the...

AZL-111332 CVE-2026-99176 affecting package kernel 6.6.159.1-1

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry Reset the vCPU's MMU pointer back to the root MMU if loading L2 state fails in the "not from VM-Entry" case, i.e. when emulating RSM or handling...

CVE-2026-99176

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry Reset the vCPU's MMU pointer back to the root MMU if loading L2 state fails in the "not from VM-Entry" case, i.e. when emulating RSM or handling...

CVE-2026-99176 KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry Reset the vCPU's MMU pointer back to the root MMU if loading L2 state fails in the "not from VM-Entry" case, i.e. when emulating RSM or handling...

EUVD-2026-111928

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry Reset the vCPU's MMU pointer back to the root MMU if loading L2 state fails in the "not from VM-Entry" case, i.e. when emulating RSM or handling...

CVE-2026-99176 KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry Reset the vCPU's MMU pointer back to the root MMU if loading L2 state fails in the "not from VM-Entry" case, i.e. when emulating RSM or handling...

CVE-2026-99176

The Linux kernel contains a vulnerability in the KVM module involving nVMX functionality. When loading L2 state fails in the "not from VM-Entry" case (such as during RSM emulation or handling KVM_SET_NESTED_STATE ), the system fails to unwind the vCPU's MMU pointer back to the root MMU. This fail...

CVE-2026-99176: Linux: In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Reset MMU back to the root MMU if…

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry Reset the vCPU's MMU pointer back to the root MMU if loading L2 state fails in the "not from VM-Entry" case, i.e. when emulating RSM or handling...

PT-2026-128169

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry Reset the vCPU's MMU pointer back to the root MMU if loading L2 state fails in the "not from VM-Entry" case, i.e. when emulating RSM or handling KV...

CVE-2026-99176

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry Reset the vCPU's MMU pointer back to the root MMU if loading L2 state fails in the "not from VM-Entry" case, i.e. when emulating RSM or handling...

Linux Distros Unpatched Vulnerability : CVE-2026-99176

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry Reset the vCPU's MMU pointer back to the root MMU if loading L2 state fails in...

velum-vmm

Velum | Windows x64 Research Hypervisor Intel VT-x virtualization, EPT hooking and interactive kernel telemetry in C and x64 assembly. Velum brings a running Windows kernel into VMX non-root operation and gives researchers an interactive way to observe native calls, inspect kernel activity and...

Dark Rvbbit Experimental Windows Hypervisor Security Research Project

Dark Rvbbit is an experimental Windows x64 hypervisor security research project exploring Intel VT-x virtualization, Extended Page Tables EPT, kernel memory manipulation, Direct Kernel Object Manipulation DKOM, timing manipulation, APIC virtualization, and driver concealment techniques. The sourc...

Zapscape-Fix — Updated!

Zapscape-Fix — CVE-2026-64561 Kernel Live Patch KVM/x86 English |简体中文 A kernel live patch that fixes CVE-2026-64561 Zapscape on CentOS Stream 8 / RHEL 8 KVM hosts all 4.18.0- kernels. Without the patch : a tenant VM guest can escape to the host with guest-side actions alone and execute code with...

CVE-2026-72287

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM component. A consistency check failure in the nested virtualization nVMX feature, specifically when Extended Page Tables EPT are disabled, allows a malicious first-level L1 guest to operate with its own controlled CR3 Control...

CVE-2026-72287

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Move vTPR vs. TPR Threshold consistency check into "normal" checks Move the off-by-default consistency check for vmcs12.tprthreshold vs. the virtual APIC vTPR into the "normal" controls checks, as waiting until KVM has...

EUVD-2026-59186

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Move vTPR vs. TPR Threshold consistency check into "normal" checks Move the off-by-default consistency check for vmcs12.tprthreshold vs. the virtual APIC vTPR into the "normal" controls checks, as waiting until KVM has...

Linux Distros Unpatched Vulnerability : CVE-2026-46131

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: x86: check for nEPT/nNPT in slow flush hypercalls Checking isguestmodevcpu is incorrect, because translatenestedgpa is only valid if an L2 guest is running...

AZL-89009 CVE-2026-46131 affecting package kernel for versions less than 6.6.141.1-1

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: check for nEPT/nNPT in slow flush hypercalls Checking isguestmodevcpu is incorrect, because translatenestedgpa is only valid if an L2 guest is running with nested EPT/NPT enabled. Instead use the same condition as...