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Kitploit
Kitploit
•added 2026/10/01 11:54 a.m.•12 views

CVE-2021-3656-Demo

CVE-2021-3656: 此问题是由于缺少对 virtext VMCB 字段的验证,允许恶意的 L1 客户机为 L2 客户机关闭 VMLOAD/VMSAVE 拦截和 VLS(虚拟 VMLOAD/VMSAVE)。在此情况下,L2 客户机能够不受拦截地运行 VMLOAD/VMSAVE,从而读取/写入主机物理内存的部分内容。 设置环境以访问 Linux 内核: 1. 你可以使用 Docker 容器或虚拟机。我将尽量使用 Docker 容器完成。 2. 你需要在 Mac 或 Windows 上安装 Docker Desktop。如果你默认使用 Linux 机器,可以忽略所有这些步骤。 3...

8.8CVSS6.6AI score0.00658EPSS
SaveExploits1References1
OpenVAS
OpenVAS
•added 2022/01/28 12:00 a.m.•31 views

Mageia: Security Advisory (MGASA-2021-0409)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 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...

8.8CVSS6.8AI score0.00658EPSS
SaveExploits1References7
Mageia
Mageia
•added 2021/08/23 5:28 a.m.•130 views

Updated kernel-linus packages fix security vulnerabilities

This kernel-linus update is based on upstream 5.10.60 and fixes at least the following security issues: A missing validation of the "intctl" VMCB field allows a malicious L1 guest to enable AVIC support Advanced Virtual Interrupt Controller for the L2 guest. The L2 guest is able to write to a...

8.8CVSS6.5AI score0.00658EPSS
SaveExploits1References5
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