SmmBackdoor

SMM backdoor para plataformas basadas en UEFI !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Este es un proyecto antiguo y abandonado. Para la versión actual del backdoor consulta la página del proyecto SMM Backdoor Next Gen y su documentación:...

SmmExploit

SmmExploit 这是针对 CVE-2021-26943 的一份报告和利用代码，该漏洞是华硕 UX360CA BIOS 版本 303 中存在的内核到 SMM 本地权限提升漏洞。该问题已在 版本 304 中修复。 问题描述 摘要 UX360CA BIOS 版本 303 包含 3 个存在漏洞的模块，允许具有 ring0 权限的攻击者覆盖几乎任意物理内存（包括 SMRAM），并在 SMM 中执行任意代码。 这些模块的标识如下： 名称| GUID| SHA256 ---|---|--- UsbRt| 04EAAAA1-29A1-11D7-8838-00500473D4EB|...

SUSE CVE-2026-81627

A flaw was found in QEMU. The VAPIC setup hypercall in hw/i386/vapic.c does not validate that the writable RAM alias remains within the option ROM window. A privileged guest user on a Q35/KVM machine can position this alias over locked SMRAM, bypassing chipset DLCK protection and injecting code...

CVE-2026-81627

A flaw was found in QEMU. The VAPIC setup hypercall in hw/i386/vapic.c does not validate that the writable RAM alias remains within the option ROM window. A privileged guest user on a Q35/KVM machine can position this alias over locked SMRAM, bypassing chipset DLCK protection and injecting code...

DEBIAN-CVE-2026-81627

A flaw was found in QEMU. The VAPIC setup hypercall in hw/i386/vapic.c does not validate that the writable RAM alias remains within the option ROM window. A privileged guest user on a Q35/KVM machine can position this alias over locked SMRAM, bypassing chipset DLCK protection and injecting code...

UBUNTU-CVE-2026-81627

A flaw was found in QEMU. The VAPIC setup hypercall in hw/i386/vapic.c does not validate that the writable RAM alias remains within the option ROM window. A privileged guest user on a Q35/KVM machine can position this alias over locked SMRAM, bypassing chipset DLCK protection and injecting code...

EUVD-2026-82872

A flaw was found in QEMU. The VAPIC setup hypercall in hw/i386/vapic.c does not validate that the writable RAM alias remains within the option ROM window. A privileged guest user on a Q35/KVM machine can position this alias over locked SMRAM, bypassing chipset DLCK protection and injecting code...

CVE-2026-81627

A flaw in QEMU 's VAPIC setup hypercall (hw/i386/vapic.c) fails to validate that the writable RAM alias stays within the option ROM window. A privileged guest on a Q35/KVM machine can position this alias over locked SMRAM , bypassing chipset D_LCK protection and injecting code into System Managem...

PT-2026-105041

A flaw was found in QEMU. The VAPIC setup hypercall in hw/i386/vapic.c does not validate that the writable RAM alias remains within the option ROM window. A privileged guest user on a Q35/KVM machine can position this alias over locked SMRAM, bypassing chipset D LCK protection and injecting code...

Linux Distros Unpatched Vulnerability : CVE-2026-81627

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 QEMU. The VAPIC setup hypercall in hw/i386/vapic.c does not validate that the writable RAM alias remains within the option ROM window. A...

CVE-2024-36355

Improper input validation in the SMM handler could allow an attacker with Ring0 access to write to SMRAM and modify execution flow for S3 sleep wake up, potentially resulting in arbitrary code execution...

CVE-2024-36310

Improper input validation in the SMM communications buffer could allow a privileged attacker to perform an out of bounds read or write to SMRAM potentially resulting in loss of confidentiality or integrity...

CVE-2024-36355

Improper input validation in the SMM handler could allow an attacker with Ring0 access to write to SMRAM and modify execution flow for S3 sleep wake up, potentially resulting in arbitrary code execution...

CVE-2024-36355

CVE-2024-36355 is an AMD SMM-related vulnerability: improper input validation in the System Management Mode (SMM) handler can enable a Ring0 attacker to write to SMRAM and alter execution flow during S3 wake, potentially allowing arbitrary code execution. Affected context appears in AMD EPYC/embe...

CVE-2024-36310

CVE-2024-36310 affects AMD processors via the System Management Mode (SMM) communications buffer. The vulnerability stems from improper input validation, enabling a privileged attacker to perform an out-of-bounds read or write to SMRAM, with potential loss of confidentiality or integrity. Public ...

CVE-2024-36310

Improper input validation in the SMM communications buffer could allow a privileged attacker to perform an out of bounds read or write to SMRAM potentially resulting in loss of confidentiality or integrity...

CVE-2024-36310: Buffer Underwrite

Improper input validation in the SMM communications buffer could allow a privileged attacker to perform an out of bounds read or write to SMRAM potentially resulting in loss of confidentiality or integrity...

CVE-2024-36355: Out-of-bounds Write

Improper input validation in the SMM handler could allow an attacker with Ring0 access to write to SMRAM and modify execution flow for S3 sleep wake up, potentially resulting in arbitrary code execution...

AMD多款产品 安全漏洞

Both the AMD Ryzen and AMD EPYC are products of American semiconductor company AMD. The AMD Ryzen is a central processing unit CPU. The AMD EPYC is a high-performance server processor. Several AMD products have security vulnerabilities. These vulnerabilities stem from improper input validation,...

PT-2026-7442

Name of the Vulnerable Software and Affected Versions versions prior to 2.3 Description A flaw exists in the System Management Mode SMM handler due to improper input validation. This could allow an attacker with Ring0 access to write to System Management RAM SMRAM and alter the execution flow...