matrix-rs

基于 Rust 的 Windows 内核 Blue Pill Type-2 虚拟机监控器（代号：Matrix） 博客：https://memn0ps.github.io/hypervisors-for-memory-introspection-and-reverse-engineering/ 一个轻量级、内存安全且极速的基于 Rust 的 Type-2 研究型虚拟机监控器，带有面向 Intel VT-x 的钩子，专注于研究虚拟化的核心概念。 注意： Illusion 虚拟机监控器（基于 Rust 的 Windows UEFI Blue Pill Type-1...

Hypervisor-From-Scratch

Hypervisor From Scratch 一个关于如何从零开始编写虚拟机监控器的教程 所有部分 » 第 1 部分 · 第 2 部分 · 第 3 部分 · 第 4 部分 · 第 5 部分 · 第 6 部分 · 第 7 部分 · 第 8 部分 如果你想使用虚拟机监控器进行分析和逆向工程任务，请查看HyperDbg 调试器。它是一款基于虚拟机监控器的调试器，专为分析、模糊测试和逆向应用程序而设计。在 OpenSecurityTraining2 的网站（ 推荐 ）和 YouTube...

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...

CVE-2026-46131

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...

UBUNTU-CVE-2026-46131

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...

CVE-2026-46131

CVE-2026-46131 affects the Linux kernel KVM x86 code. The issue is a faulty check in slow flush hypercalls where is_guest_mode(vcpu) was used incorrectly; translate_nested_gpa() is only valid when an L2 guest runs with nested EPT/NPT enabled, so the condition should match translate_nested_gpa() i...

Fedora: Security Advisory (FEDORA-2026-f04da48123)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Fedora 44 : xen (2026-f884fd0313)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-f884fd0313 advisory. update to xen 4.21.1 ---- Use after free of paging structures in EPT XSA-480, CVE-2026-23554 Xenstored DoS by unprivileged domain XSA-481,...

EUVD-2026-14382

The Intel EPT paging code uses an optimization to defer flushing of any cached EPT state until the p2m lock is dropped, so that multiple modifications done under the same locked region only issue a single flush. Freeing of paging structures however is not deferred until the flushing is done, and...

ALPINE-CVE-2026-23554

The Intel EPT paging code uses an optimization to defer flushing of any cached EPT state until the p2m lock is dropped, so that multiple modifications done under the same locked region only issue a single flush. Freeing of paging structures however is not deferred until the flushing is done, and...

UBUNTU-CVE-2026-23554

The Intel EPT paging code uses an optimization to defer flushing of any cached EPT state until the p2m lock is dropped, so that multiple modifications done under the same locked region only issue a single flush. Freeing of paging structures however is not deferred until the flushing is done, and...

CVE-2026-23554 Use after free of paging structures in EPT

The Intel EPT paging code uses an optimization to defer flushing of any cached EPT state until the p2m lock is dropped, so that multiple modifications done under the same locked region only issue a single flush. Freeing of paging structures however is not deferred until the flushing is done, and...

CVE-2026-23554

The Intel EPT paging code uses an optimization to defer flushing of any cached EPT state until the p2m lock is dropped, so that multiple modifications done under the same locked region only issue a single flush. Freeing of paging structures however is not deferred until the flushing is done, and...

Fedora: Security Advisory (FEDORA-2026-8ae1a1c3d7)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

openSUSE Security Advisory (SUSE-SU-2026:0908-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002567)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002567 advisory. The handleinvept function in arch/x86/kvm/vmx.c in the Linux kernel 3.12 through 3.15 allows privileged KVM guest OS users to cause a denial of service NULL pointer...