68 matches found
ITScape
ITScape: KVM/arm64 中的虚拟机逃逸到宿主机 摘要 本文档描述了由 Hyunwoo Kim @v4bel 报告并修复的 ITScape CVE-2026-46316 漏洞。这是一个 KVM 逃逸漏洞,允许虚拟机在 KVM/arm64 环境中逃逸到宿主机,并以内核(root)权限在宿主机上执行命令。据公开所知,这是首个针对 KVM/arm64 的虚拟机逃逸到宿主机的利用研究。 ITScape 利用的是 KVM/arm64 的 vGIC-ITS(中断翻译服务) 模拟中的竞态条件。它仅通过客户机侧的操作触发该漏洞,从而逃逸到宿主机,并且可能威胁到接受非受信任客户机的...
Januscape
Januscape:KVM/x86 环境中的客户机到宿主机逃逸 摘要 本文档描述了由 Hyunwoo Kim @v4bel 发现并报告的 Januscape CVE-2026-53359 漏洞。这是一个 KVM 逃逸漏洞,可使客户机在 KVM/x86 环境中逃逸至宿主机。据公开所知,这是首个可在 Intel 和 AMD 上触发而不仅限于单一架构的客户机到宿主机利用研究。 Januscape 是 KVM/x86 的 shadow MMU 模拟中的一个释放后使用漏洞。仅通过客户机侧操作即可触发该漏洞,破坏宿主机内核的影子页,并可能威胁那些接受不可信客户机并暴露嵌套虚拟化的 KVM/x86...
RWCTF21-VirtualBox-61-escape
RWCTF21-VirtualBox-61-逃逸 用于RealWorld CTF 2020/2021的0day VirtualBox 6.1 逃逸 演示 这是什么? 这是我们对2020/2021赛季RealWorld CTF“Box Escape”挑战的解决方案。目前是一个0day,但一旦有CVE编号我们会补充上。 CVE-2021-2119 它是如何工作的? 我们写了一篇博文描述这些漏洞及我们的利用技术。你可以在这里找到:secret.club 如何保护自己? 在VirtualBox的正式发布版本打上补丁之前,请禁用SCSI。 致谢 编写这个利用是许多人的共同努力。...
Zapscape
KVM 逃逸三部曲 ITScape CVE‑2026‑46316 | Januscape CVE‑2026‑53359 | Zapscape CVE‑2026‑64561 ---|---|--- Zapscape:KVM/x86 中的客户机到宿主机逃逸 摘要 本文档描述了由 Hyunwoo Kim @v4bel 发现并报告的 Zapscape CVE-2026-64561 漏洞。这是一个 KVM 逃逸漏洞,允许客户机在 KVM/x86 环境中逃逸到宿主机,并以内核(root)权限在宿主机上执行命令。 Zapscape 是 KVM/x86 的影子 MMU(shadow...
Januscape-Hotfix
Januscape 修复方案库 — CVE-2026-53359 English KVM/x86 shadow MMU 虚拟机逃逸漏洞(CVE-2026-53359)的完整修复方案集合 。 从零停机热修复到内核升级,覆盖所有运维场景。 一键诊断 & 修复 root@kitploit: GitHub 直连 curl -sL https://raw.githubusercontent.com/Aoripus-LTD/Januscape-Hotfix/main/tools/januscape-fix.sh | sudo bash 中国大陆镜像加速 curl -sL...
CVE-2026-53359
🚨 CVE-2026-53359 — Januscape Linux KVM 影子分页释放后使用(客户机到宿主机逃逸) Januscape 是一个 Linux 内核 KVM 漏洞,由 x86 影子 MMU 中的释放后使用(UAF) 条件导致。在易受攻击的配置下,恶意客户机可以破坏宿主机内存,导致宿主机崩溃并可能破坏虚拟机隔离。 📌 概述 字段| 值 ---|--- CVE| CVE-2026-53359 别名| Januscape 组件| Linux 内核 KVM(x86 影子 MMU) 漏洞类型| 释放后使用 攻击向量| 客户机虚拟机 影响| 宿主机内核内存破坏 受影响平台| Inte...
januscape
Januscape — Linux KVM/x86 客户机到宿主机逃逸跟踪站点 Januscape 补丁状态跟踪器的源码:一个单页站点,记录哪些发行版已为 Linux 内核中的 KVM/x86 客户机到宿主机逃逸发布了修复。 事实存放位置 关于该漏洞的所有信息——CVE ID、受影响版本与已修复版本、上游修复提交、发现与披露致谢,以及各发行版当前的补丁状态——均属于跟踪页面,而非本 README: 渲染页面: https://kimmo.cloud/januscape/ 源文件: site/content/index.md 编辑该文件即可;本仓库中的其他一切皆为构建基础设施。...
itscape
ITScape —— Linux KVM/arm64 客户机到宿主机(guest-to-host)逃逸追踪站点 ITScape 补丁状态追踪器的源码:一个单页站点,用于记录哪些发行版已为 Linux 内核中的 KVM/arm64 客户机到宿主机(guest-to-host)逃逸漏洞发布了修复。 事实数据所在 关于该漏洞的全部信息——CVE ID、受影响与已修复版本、上游修复提交、发现与披露致谢,以及各发行版的最终补丁状态——均归属于追踪页面,而非本 README: 渲染页面: https://kimmo.cloud/itscape/ 源码: site/content/index.md...
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...