edk2

============== EDK II Project A modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications from www.uefi.org. .. image::...

initroot

initroot: Motorola Bootloader Kernel Cmdline Injection Secure Boot & Device Locking Bypass CVE-2016-10277 By Roee Hay / Aleph Research, HCL Technologies First stage exploit: Tethered jailbreak This exploit gains an ephemeral unrestricted root access on the device. For example, on cedric some...

CVE-2024-7344

🐞 CVE-2024-7344: Carga Incorrecta de Imágenes PE Este repositorio contiene material de investigación relacionado con CVE-2024-7344, una vulnerabilidad de bypass de Secure Boot que afecta a sistemas UEFI. Centraliza el análisis técnico de la vulnerabilidad, la documentación del flujo de ataque y l...

CVE-2022-21894

baton drop CVE-2022-21894: Secure Boot Security Feature Bypass Vulnerability Windows Boot Applications allow the truncatememory setting to remove blocks of memory containing "persistent" ranges of serialised data from the memory map, leading to Secure Boot bypass. The truncatememory BCD element...

CVE-2025-47827

CVE-2025-47827 Proof-of-concept and vulnerability report for CVE-2025-47827. Contents Description Disclosure Impact Detection Mitigation Binaries Proof of Concept Resources Description In IGEL OS before v11, Secure Boot can be bypassed because the igel-flash-driver module improperly verifies a...

CVE-2026-25250

🕷️ CVE-2026-25250: Validación Incorrecta de la Cadena de Carga de Arranque Confiable Un cargador de arranque de terceros firmado por Microsoft que carga un binario EFI secundario sin verificación de firma ni integridad, colapsando la cadena de confianza de Secure Boot desde dentro. 📑 Tabla de...

CVE-2022-34303

🕷️ CVE-2022-34303 - Vulnerabilidad del Boot Loader de CryptoPro CryptoPro Secure Disk UEFI Shell - Bring Your Own Vulnerable UEFI Application BYOVUA - Omisión de Secure Boot mediante un UEFI Shell firmado y corrupción de gSecurity2. 📑 Tabla de Contenidos Descripción General Antecedentes Bring Your...

CVE-2022-34302

🕷️ CVE-2022-34302 - Nueva vulnerabilidad del cargador de arranque de New Horizon Datasys New Horizon Datasys Reboot Restore Boot Loader - Bring Your Own Vulnerable UEFI Application BYOVUA - Omisión de Secure Boot mediante un cargador de arranque firmado con un cargador PE/COFF personalizado...

CVE-2025-0690

CVE-2025-0690: Vulnerabilidad de Desbordamiento de Enteros en GRUB2 🛡️ Descripción General CVE-2025-0690 es una vulnerabilidad crítica de desbordamiento de enteros en el cargador de arranque GRUB2 , que permite la ejecución de código arbitrario y la evasión de Secure Boot. Esta falla afecta a...

Vendor-signed UEFI Shell applications allow Secure Boot bypass

Overview Vendor-signed UEFI Shell applications may allow an attacker to bypass Secure Boot protections by abusing commands such as mm Memory Modify. On systems that trust the affected vendor’s certificate or include the application’s Authenticode hash in the UEFI Authorized Signature Database DB,...

Cisco UCS Manager UEFI Shell Secure Boot Bypass (cisco-sa-ucs-uefi-sb-bypass-eb6xC5GW)

According to its self-reported version, Cisco UCS Manager Software is affected by a vulnerability. - A vulnerability in the Unified Extensible Firmware Interface UEFI Shell implementation of Cisco UCS Servers and UCS-based appliances could allow an authenticated attacker with valid credentials fo...

Cisco Integrated Management Controller UEFI Shell Secure Boot Bypass (cisco-sa-ucs-uefi-sb-bypass-eb6xC5GW)

According to its self-reported version, the Cisco Integrated Management Controller is affected by a vulnerability. - A vulnerability in the Unified Extensible Firmware Interface UEFI Shell implementation of Cisco UCS Servers and UCS-based appliances could allow an authenticated attacker with vali...

Astra Linux – Vulnerability in edk2

In Ubuntu’s EDK2, a insecure default setting was left enabled, allowing UEFI Shell to be used. This enables an attacker with access to the operating system to bypass Secure Boot...

Astra Linux – Vulnerability in grub2

A flaw was discovered in grub2. When reading the name of a symbolic link from a UFS filesystem, grub2 fails to validate the string length provided as input. This lack of validation may lead to a heap out-of-bounds write, causing data integrity issues and potentially allowing an attacker to...

Astra Linux – Vulnerability in grub2

A flaw was discovered in grub2 in versions prior to 2.06. The rmmod implementation allows the unloading of a module that serves as a dependency without checking whether any other dependent modules are still loaded, leading to a “use-after-free” scenario. This could allow arbitrary code to be...

Astra Linux – Vulnerability in grub2

A flaw was discovered in grub2 in versions prior to 2.06. During USB device initialization, descriptors are read without sufficient bounds checking, assuming that the USB device provides valid values. If exploited properly, an attacker could cause memory corruption, leading to arbitrary code...

Astra Linux – Vulnerability in grub2

A flaw was discovered in grub2 in versions prior to 2.06. The cutmem command does not honor secure boot locking, allowing a privileged attacker to remove address ranges from memory. This creates an opportunity to circumvent SecureBoot protections after proper analysis of grub’s memory layout. The...

Astra Linux – Vulnerability in grub2

A crafted 16-bit grayscale PNG image may lead to an out-of-bounds write in the heap area. An attacker may exploit this to cause heap data corruption or, ultimately, arbitrary code execution and circumvent secure boot protections. This issue is highly complex to exploit; an attacker needs to perfo...

Astra Linux – Vulnerability in edk2

The Ubuntu edk2 UEFI firmware packages accidentally allowed access to the UEFI Shell in Secure Boot environments, potentially enabling bypass of Secure Boot restrictions. Versions 2024.05-2ubuntu0.3 and 2024.02-2ubuntu0.3 disable the Shell. Some earlier versions introduced a security measure base...

Astra Linux – Vulnerability in grub2

A out-of-bounds write flaw was discovered in grub2’s NTFS filesystem driver. This issue may allow an attacker to present a specially crafted NTFS filesystem image, resulting in corruption of grub’s heap metadata. In some cases, the attack may also corrupt the UEFI firmware heap metadata. As a...