54 matches found
cve-2023-31346-poc
Fuga de Memoria del Firmware El código aquí tiene como objetivo demostrar las fugas de memoria en los encabezados de mensajes de invitado y en el mensaje de invitado de solicitud de CPUID. Prerrequisitos Instalar rustup. Instalar un kernel de Linux con soporte de host SEV-SNP. Utilicé un kernel c...
igvm
igvm Este proyecto es el hogar del formato de archivo Independent Guest Virtual Machine IGVM. La especificación del formato se puede encontrar en la caja igvmdefs, con una implementación en Rust del formato binario en la caja igvm. El formato de archivo IGVM está diseñado para encapsular toda la...
cve-2023-20573-poc
PoC 使用方法 本仓库包含一个 VMM,它使用自定义内核启动 SEV-SNP 虚拟机。该 VMM 和内核是我个人项目的一个精简版本。需要在主机上运行经过修改的 Linux 内核:https://github.com/Freax13/linux/tree/for-amd。 可按照以下方式运行概念验证: root@kitploit: cd host cargo run -p vmm 说明 该代码在两条指令之间来回跳转: root@kitploit: 2: nop jmp 2b 当 FLAGS 寄存器中的 TF 标志被设置时,异常应被生成,且指令指针将在两条指令之间交替。...
Astra Linux – Vulnerability in Linux 5.15
In the Linux kernel before version 6.9, a trusted-to-non-trusted hypervisor can inject Virtual Interrupt 29 VC at any point in time and can trigger its handler. This affects AMD SEV-SNP and AMD SEV-ES...
CVE-2026-33697 CoCoS attested TLS is vulnerable to relay attacks via extracted ephemeral TLS keys
Cocos AI is a confidential computing system for AI. The current implementation of attested TLS aTLS in CoCoS is vulnerable to a relay attack affecting all versions from v0.4.0 through v0.8.2. This vulnerability is present in both the AMD SEV-SNP and Intel TDX deployment targets supported by CoCoS...
CVE-2026-33697 CoCoS attested TLS is vulnerable to relay attacks via extracted ephemeral TLS keys
Cocos AI is a confidential computing system for AI. The current implementation of attested TLS aTLS in CoCoS is vulnerable to a relay attack affecting all versions from v0.4.0 through v0.8.2. This vulnerability is present in both the AMD SEV-SNP and Intel TDX deployment targets supported by CoCoS...
PT-2026-28509
Name of the Vulnerable Software and Affected Versions Cocos AI versions 0.4.0 through 0.8.2 Description Cocos AI, a confidential computing system for AI, has a weakness in its attested TLS aTLS implementation. This allows for a relay attack where an attacker may be able to extract the ephemeral T...
CVE-2025-0033
Improper access control within AMD SEV-SNP could allow an admin privileged attacker to write to the RMP during SNP initialization, potentially resulting in a loss of SEV-SNP guest memory integrity...
EUVD-2025-34221
Improper access control within AMD SEV-SNP could allow an admin privileged attacker to write to the RMP during SNP initialization, potentially resulting in a loss of SEV-SNP guest memory integrity...
EUVD-2024-23051
Malicious code in bioql PyPI...
[SECURITY] Fedora 40 Update: rust-snphost-0.5.0-3.fc40
Administrative utility for AMD SEV-SNP...
[SECURITY] Fedora 41 Update: rust-snphost-0.5.0-3.fc41
Administrative utility for AMD SEV-SNP...
CVE-2024-56161
Improper signature verification in AMD CPU ROM microcode patch loader may allow an attacker with local administrator privilege to load malicious CPU microcode resulting in loss of confidentiality and integrity of a confidential guest running under AMD SEV-SNP...
QEMU Root Shell Access Vulnerability
AMD ID: AMD-SB-3012 Potential Impact: Guest OS Root Shell Access from Malicious Host Severity: N/A Summary Researchers from the University of Tokyo shared with AMD a paper titled “A Root Shell Access Vulnerability in QEMU for AMD SEV-SNP Confidential Virtual Machines.” The research paper reports...
Ubuntu 22.04 LTS : Linux kernel vulnerabilities (USN-7019-1)
"The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7019-1 advisory. Ziming Zhang discovered that the DRM driver for VMware Virtual GPU did not properly handle certain error conditions, leading to a NULL pointer...
USN-6957-1: Linux kernel (Oracle) vulnerabilities
Benedict Schlüter, Supraja Sridhara, Andrin Bertschi, and Shweta Shinde discovered that an untrusted hypervisor could inject malicious VC interrupts and compromise the security guarantees of AMD SEV-SNP. This flaw is known as WeSee. A local attacker in control of the hypervisor could use this to...
Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel (Azure) vulnerabilities (USN-6956-1)
The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6956-1 advisory. Benedict Schlter, Supraja Sridhara, Andrin Bertschi, and Shweta Shinde discovered that an untrusted hypervisor could inject malicious VC...
Ubuntu 20.04 LTS : Linux kernel (Oracle) vulnerabilities (USN-6957-1)
The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6957-1 advisory. Benedict Schlter, Supraja Sridhara, Andrin Bertschi, and Shweta Shinde discovered that an untrusted hypervisor could inject malicious VC interrupts and...
Ubuntu: Security Advisory (USN-6957-1)
The remote host is missing an update for the SPDX-FileCopyrightText: 2024 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...
Ubuntu 24.04 LTS : Linux kernel (Azure) vulnerabilities (USN-6952-2)
"The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6952-2 advisory. Benedict Schlter, Supraja Sridhara, Andrin Bertschi, and Shweta Shinde discovered that an untrusted hypervisor could inject malicious VC interrupts and...