Januscape

Januscape: Guest-to-Host Escape in KVM/x86 Abstract This document describes the Januscape CVE-2026-53359 vulnerability discovered and reported by Hyunwoo Kim @v4bel. It is a KVM escape vulnerability that lets a guest escape to the host in a KVM/x86 environment. To the best of public knowledge, th...

ITScape

ITScape: KVM/arm64におけるゲストからホストへの脱出 概要 このドキュメントは、Hyunwoo Kim @v4bel によって報告され、パッチが当てられた ITScape CVE-2026-46316 脆弱性について説明します。これは、KVM/arm64環境においてゲストがホストへ脱出し、ホスト上でカーネル（root）権限でコマンドを実行できるようにするKVM脱出の脆弱性です。公知の限りでは、これはKVM/arm64を対象とした初のゲストからホストへの脱出エクスプロイト研究です。 ITScapeは、KVM/arm64のvGIC-ITS Interrupt...

Zapscape

KVM 탈출 3부작 ITScape CVE‑2026‑46316 | Januscape CVE‑2026‑53359 | Zapscape CVE‑2026‑64561 ---|---|--- Zapscape: KVM/x86에서 게스트에서 호스트로의 탈출 개요 이 문서는 Hyunwoo Kim @v4bel이 발견하고 보고한 Zapscape CVE-2026-64561 취약점에 대해 설명합니다. 이 취약점은 KVM/x86 환경에서 게스트가 호스트로 탈출하여 호스트에서 커널root 권한으로 명령을 실행할 수 있게 하는 KVM 탈출 취약점입니다...

RWCTF21-VirtualBox-61-escape

RWCTF21-VirtualBox-61-escape 0day VirtualBox 6.1 Escape для RealWorld CTF 2020/2021 Демонстрация Что это? Это наше решение для задания "Box Escape" с отборочного этапа RealWorld CTF 2020/2021. Пока это 0day, но мы добавим номер CVE, когда он появится. CVE-2021-2119 Как это работает? Мы написали...

Januscape-Hotfix

Januscape 수정 패치 모음 — CVE-2026-53359 English KVM/x86 shadow MMU 가상 머신 이스케이프 취약점CVE-2026-53359에 대한 완전한 수정 패치 모음 입니다. 제로 다운타임 핫픽스부터 커널 업그레이드까지 모든 운영 시나리오를 다룹니다. 원클릭 진단 및 수정 root@kitploit: GitHub 직통 curl -sL https://raw.githubusercontent.com/Aoripus-LTD/Januscape-Hotfix/main/tools/januscape-fix.sh |...

januscape

Januscape — Linux KVM/x86 게스트-투-호스트 탈출 추적 사이트 Januscape 패치 상태 추적기의 소스: Linux 커널의 KVM/x86 게스트-투-호스트 탈출에 대한 수정 사항을 제공한 배포판을 기록하는 단일 페이지 사이트입니다. 정보가 있는 곳 버그에 관한 모든 정보CVE ID, 영향을 받는 버전 및 수정된 버전, 업스트림 수정 커밋, 발견·공개 크레딧, 현재 배포판별 패치 상태는 이 README가 아닌 추적기 페이지에 있습니다: 렌더링된 페이지: https://kimmo.cloud/januscape/...

CVE-2026-53359

🚨 CVE-2026-53359 — Januscape Linux KVM Shadow Paging Use-After-Free Побег из гостевой в хостовую Januscape — это уязвимость ядра Linux KVM, вызванная состоянием Use-After-Free UAF в x86 Shadow MMU. При уязвимых конфигурациях вредоносная гостевая система может повредить память хоста, что приводит ...

itscape

ITScape — Linux KVM/arm64 게스트-투-호스트 탈출 추적 사이트 ITScape 패치 상태 추적기의 소스: Linux 커널의 KVM/arm64 게스트-투-호스트 탈출에 대한 수정을 제공한 배포판을 기록하는 단일 페이지 사이트입니다. 정보의 원본 버그에 관한 모든 것 — CVE ID, 영향받는 버전 및 수정된 버전, 업스트림 수정 커밋, 발견 및 공개 크레딧, 배포판별 최종 패치 상태 — 은 이 README가 아닌 추적기 페이지에 있습니다: 렌더링: https://kimmo.cloud/itscape/ 소스:...

CVE-2026-47243 Kata guest escape: runtime-rs guest-root to host-root escape via virtiofs

Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines VMs that perform like containers. Prior to 3.31.0, the runtime-rs standalone virtio-fs path is vulnerable to a guest-root to host-root escape. In this configuration, Kata runs the host...

EUVD-2020-27254

Malware in sbrugna...

CVE-2020-6100

An exploitable memory corruption vulnerability exists in AMD atidxx64.dll 26.20.15019.19000 graphics driver. A specially crafted pixel shader can cause memory corruption vulnerability. An attacker can provide a specially crafted shader file to trigger this vulnerability. This vulnerability...

Linux Distros Unpatched Vulnerability : CVE-2023-4155

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in KVM AMD Secure Encrypted Virtualization SEV in the Linux kernel. A KVM guest using SEV-ES or SEV-SNP with multiple vCPUs can trigger a doubl...

kernel: KVM: SEV-ES / SEV-SNP VMGEXIT double fetch vulnerability

A flaw was found in KVM AMD Secure Encrypted Virtualization SEV in the Linux kernel. A KVM guest using SEV-ES or SEV-SNP with multiple vCPUs can trigger a double fetch race condition vulnerability and invoke the VMGEXIT handler recursively. If an attacker manages to call the handler multiple time...

Race condition

A flaw was found in KVM AMD Secure Encrypted Virtualization SEV in the Linux kernel. A KVM guest using SEV-ES or SEV-SNP with multiple vCPUs can trigger a double fetch race condition vulnerability and invoke the VMGEXIT handler recursively. If an attacker manages to call the handler multiple time...

CVE-2023-4155 Sev-es / sev-snp vmgexit double fetch vulnerability

A flaw was found in KVM AMD Secure Encrypted Virtualization SEV in the Linux kernel. A KVM guest using SEV-ES or SEV-SNP with multiple vCPUs can trigger a double fetch race condition vulnerability and invoke the VMGEXIT handler recursively. If an attacker manages to call the handler multiple time...

CVE-2023-4155

CVE-2023-4155 describes a vulnerability in the Linux kernel’s KVM AMD SEV implementation. A KVM guest using SEV-ES or SEV-SNP with multiple vCPUs can trigger a double fetch race that causes the VMGEXIT handler to be invoked recursively. If the handler is called multiple times, this can lead to a ...

CVE-2023-4155

A flaw was found in KVM AMD Secure Encrypted Virtualization SEV in the Linux kernel. A KVM guest using SEV-ES or SEV-SNP with multiple vCPUs can trigger a double fetch race condition vulnerability and invoke the VMGEXIT handler recursively. If an attacker manages to call the handler multiple time...

Fedora 37 : kernel (2023-d9509be489)

The remote Fedora 37 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-d9509be489 advisory. The 6.4.10 stable kernel update contains a number of important fixes across the tree. Tenable has extracted the preceding description block directly...

NVIDIA D3D10 Driver Shader Functionality dcl_input index memory corruption vulnerability

Talos Vulnerability Report TALOS-2023-1720 NVIDIA D3D10 Driver Shader Functionality dclinput index memory corruption vulnerability August 10, 2023 CVE Number CVE-2022-34671 SUMMARY A memory corruption vulnerability exists in the Shader Functionality of NVIDIA D3D10 Driver NVIDIA D3D10 Driver,...

CVE-2023-4155

A flaw was found in KVM AMD Secure Encrypted Virtualization SEV in the Linux kernel. A KVM guest using SEV-ES or SEV-SNP with multiple vCPUs can trigger a double fetch race condition vulnerability and invoke the VMGEXIT handler recursively. If an attacker manages to call the handler multiple time...