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Kitploit
Kitploit
•added 2026/09/24 11:41 p.m.•22 views

igvm

igvm This project is the home of the Independent Guest Virtual Machine IGVM file format. The format specification can be found in the igvmdefs crate, with a Rust implementation of the binary format in the igvm crate. The IGVM file format is designed to encapsulate all information required to laun...

5.9AI score
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Kitploit
Kitploit
•added 2026/09/24 2:00 p.m.•14 views

cve-2023-31355-poc

SEV 固件漏洞 此仓库包含针对 SEV 固件中一个漏洞的利用程序。该利用程序允许在 SEV-SNP 客户机关闭后解密其任意内存。 已在 1.55.16 版本上测试(目前最新版)。 根因 snpreclaimbuffer 无条件地尝试写回 RMP 更改,即使地址不在 RMP 覆盖范围内。如果 address 不在 RMP 覆盖范围内,RMP 条目 pagermppaddr 的地址永远不会被正确初始化,并保持其初始值 0。因此固件尝试将 RMP 条目的更改写回地址 0。这很糟糕,因为地址 0 在 RMP 覆盖范围内,不应该在没有更多检查的情况下被写入。如果 address 在 RMP...

6CVSS6.4AI score0.00443EPSS
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Kitploit
Kitploit
•added 2026/09/24 1:59 p.m.•10 views

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。...

3.2CVSS5.6AI score0.00289EPSS
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Kitploit
Kitploit
•added 2026/09/24 10:46 a.m.•12 views

POC_CVE-2025-29943_Write-what-where-Condition

StackWarp: PoC for CVE-2025-29943 Proof of concept for the StackWarp hardware vulnerability CVE-2025-29943 in AMD processors. This flaw allows an attacker with administrator privileges on a host hypervisor to manipulate the CPU pipeline configuration to corrupt the stack pointer within a SEV-SNP...

4.6CVSS7AI score0.00229EPSS
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Kitploit
Kitploit
•added 2026/09/24 8:19 a.m.•11 views

cve-2023-46813-poc

CVE-2023-46813 PoC 1. Apply the patches in the host-patches folder to the Linux host and QEMU. 2. Start an SEV-SNP VM. 3. Run the code in this repo and wait for the message "waiting for the hypervisor to change memory to MMIO". 4. Spam the attack command in QEMU several times. 5. Once the exploit...

7CVSS6.7AI score0.00693EPSS
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Kitploit
Kitploit
•added 2026/09/22 1:59 p.m.•14 views

CVE-2026-53360-POC

CVE-2026-53360: KVM SEV-SNP PSC heap out-of-bounds Proof of concept for a heap out-of-bounds read and write in KVM's SEV-SNP Page State Change PSC handling. A malicious SEV-SNP guest makes the host kernel walk a PSC entry array off the end of its slab allocation. That leaks the layout of...

8.8CVSS6.9AI score0.00173EPSS
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Kitploit
Kitploit
•added 2026/09/19 12:53 p.m.•9 views

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...

6CVSS5.7AI score0.00309EPSS
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Kitploit
Kitploit
•added 2026/09/19 5:12 a.m.•12 views

cve-2024-21978-poc

Vulnerabilidad en el firmware SEV Este repositorio contiene un exploit para una vulnerabilidad en el firmware SEV. El exploit permite descifrar memoria arbitraria de un invitado SEV-SNP en ejecución. Probado en la versión 1.55.16 la más reciente en el momento de escribir esto. Causa raíz El campo...

7.9CVSS7AI score0.00493EPSS
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Kitploit
Kitploit
•added 2026/09/19 4:55 a.m.•13 views

cve-2024-21980-poc

Vulnerabilidad del firmware SEV Este repositorio contiene un exploit para una vulnerabilidad en el firmware SEV. El exploit permite descifrar memoria arbitraria de un invitado SEV-SNP después de que haya sido dado de baja. Probado en la versión 1.55.16 la más reciente al momento de escribir esto...

7.9CVSS7AI score0.00447EPSS
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NVD
NVD
•added 2026/09/18 6:18 p.m.•9 views

CVE-2026-92702

Cocos AI is a confidential computing system for running AI workloads inside trusted execution environments. In versions up to and including 0.8.2, the intra-handshake attested TLS aTLS AMD SEV-SNP verification path does not enforce attestation freshness when the expected reportData value is nil,...

9.1CVSS0.00308EPSS
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Cvelist
Cvelist
•added 2026/09/18 5:02 p.m.•40 views

CVE-2026-92702 Cocos AI: Intra-handshake attested TLS implementation can accept Evidence with nil, empty, or omitted reportData in the AMD SEV-SNP path

Cocos AI is a confidential computing system for running AI workloads inside trusted execution environments. In versions up to and including 0.8.2, the intra-handshake attested TLS aTLS AMD SEV-SNP verification path does not enforce attestation freshness when the expected reportData value is nil,...

9.1CVSS0.00308EPSS
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CVE
CVE
•added 2026/09/18 5:02 p.m.•16 views

CVE-2026-92702

Cocos AI is a confidential computing system for running AI workloads inside trusted execution environments. In versions up to and including 0.8.2 , the intra-handshake attested TLS (aTLS) AMD SEV-SNP verification path does not enforce attestation freshness when the expected reportData value is ni...

9.1CVSS5.6AI score0.00308EPSS
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EUVD
EUVD
•added 2026/09/18 5:02 p.m.•11 views

EUVD-2026-83192

Cocos AI is a confidential computing system for running AI workloads inside trusted execution environments. In versions up to and including 0.8.2, the intra-handshake attested TLS aTLS AMD SEV-SNP verification path does not enforce attestation freshness when the expected reportData value is nil,...

9.1CVSS5.6AI score0.00308EPSS
SaveExploits0References4
OSV
OSV
•added 2026/09/18 5:02 p.m.•9 views

CVE-2026-92702 Cocos AI: Intra-handshake attested TLS implementation can accept Evidence with nil, empty, or omitted reportData in the AMD SEV-SNP path

Cocos AI is a confidential computing system for running AI workloads inside trusted execution environments. In versions up to and including 0.8.2, the intra-handshake attested TLS aTLS AMD SEV-SNP verification path does not enforce attestation freshness when the expected reportData value is nil,...

9.1CVSS5.6AI score
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Rapid7 Vulnerability Database (full)
Rapid7 Vulnerability Database (full)
•added 2026/09/18 12:00 a.m.•3 views

CVE-2026-92702: Origin Validation Error

Cocos AI is a confidential computing system for running AI workloads inside trusted execution environments. In versions up to and including 0.8.2, the intra-handshake attested TLS aTLS AMD SEV-SNP verification path does not enforce attestation freshness when the expected reportData value is nil,...

9.1CVSS5.6AI score0.00308EPSS
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OSV
OSV
•added 2026/09/16 11:17 a.m.•11 views

DEBIAN-CVE-2026-90040

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Forcefully invalidate SNP VMSA if its backing gmem page is zapped Wire up a gmeminvalidaterange call for SNP VMs, and use it to force vCPUs to reload/recheck their guest-provided VMSA if the backing gmem page is being...

5.8AI score0.00219EPSS
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NVD
NVD
•added 2026/09/16 11:17 a.m.•10 views

CVE-2026-90040

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Forcefully invalidate SNP VMSA if its backing gmem page is zapped Wire up a gmeminvalidaterange call for SNP VMs, and use it to force vCPUs to reload/recheck their guest-provided VMSA if the backing gmem page is being...

0.00219EPSS
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CVE
CVE
•added 2026/09/16 10:33 a.m.•23 views

CVE-2026-90040

CVE-2026-90040 affects the Linux kernel KVM SEV-SNP (AMD Secure Nested Paging) subsystem. When the backing guest_memfd page for the guest-provided VMSA (Virtual Machine State Area) is invalidated (e.g., via PUNCH_HOLE or memslot deletion/move), KVM fails to invalidate the vCPU's cached control.vm...

5.8AI score0.00219EPSS
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EUVD
EUVD
•added 2026/09/16 10:33 a.m.•9 views

EUVD-2026-80648

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Forcefully invalidate SNP VMSA if its backing gmem page is zapped Wire up a gmeminvalidaterange call for SNP VMs, and use it to force vCPUs to reload/recheck their guest-provided VMSA if the backing gmem page is being...

5.8AI score0.00219EPSS
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Cvelist
Cvelist
•added 2026/09/16 10:33 a.m.•35 views

CVE-2026-90040 KVM: SEV: Forcefully invalidate SNP VMSA if its backing gmem page is zapped

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Forcefully invalidate SNP VMSA if its backing gmem page is zapped Wire up a gmeminvalidaterange call for SNP VMs, and use it to force vCPUs to reload/recheck their guest-provided VMSA if the backing gmem page is being...

0.00219EPSS
SaveExploits0References2
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