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...

edk2

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

CVE-2026-6485

UEFI BIOS embedded Shell could be used to bypass Secure Boot via shell commands or startup scripts...

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-2026-20293

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 for a user account with the role of user or admin or an unauthenticated attacker with physical access t...

EUVD-2026-72936

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 for a user account with the role of user or admin or an unauthenticated attacker with physical access t...

CVE-2026-20293

A vulnerability in the UEFI Shell implementation of Cisco UCS Servers and UCS-based appliances allows bypassing UEFI Secure Boot validation checks. The root cause is the availability of memory write commands in the UEFI Shell while Secure Boot is enabled. An attacker—authenticated with user or ad...

CVE-2024-7344

🐞 CVE-2024-7344: Improper PE Image Loading This repository contains research material related to CVE-2024-7344, a Secure Boot bypass vulnerability affecting UEFI systems. It centralizes technical analysis of the vulnerability, attack flow documentation, and recreated applications designed to...

CVE-2026-33197 BDS Module Bypass Secure Boot Advisory

AMI APTIOV contains a vulnerability in BIOS where a privileged user may cause the “Incomplete List of Disallowed Inputs” by local access. Successful exploitation of this vulnerability may lead to arbitrary code execution and impact system Confidentiality, Integrity, and Availability...

UEFI Shell module embedded in SPI Flash can be used to bypass Secure Boot

Overview The UEFI Shell program may expose raw memory access capabilities that, if present in platform firmware for debugging or advanced support use cases, could be abused to undermine UEFI Secure Boot protections. When the UEFI Shell is included in SPI flash, an attacker with the ability to...

CVE-2026-25250

🕷️ CVE-2026-25250: Improper Trusted Bootloader Chain Validation A Microsoft-signed third-party bootloader that loads a secondary EFI binary with no signature or integrity verification, collapsing the Secure Boot chain of trust from within. 📑 Table of Contents Research Context Official References...

CVE-2025-0690

CVE-2025-0690: Integer Overflow Vulnerability in GRUB2 🛡️ Overview CVE-2025-0690 is a critical integer overflow vulnerability in the GRUB2 boot loader, allowing arbitrary code execution and Secure Boot bypass. This flaw affects systems that rely on GRUB2 for secure boot, exposing the system before...

EUVD-2026-67962

IGEL OS 12 before 12.9.0, 12.8.3 LTS and IGEL OS 11 before 11.11.150 contain a secure boot bypass vulnerability in the GRUB boot stage that allows physically present attackers to gain unauthorized root access by placing an unsigned empty file named igel.conf on a partition. Attackers can exploit...

CVE-2026-82018

IGEL OS 12 before 12.9.0, 12.8.3 LTS and IGEL OS 11 before 11.11.150 contain a secure boot bypass vulnerability in the GRUB boot stage that allows physically present attackers to gain unauthorized root access by placing an unsigned empty file named igel.conf on a partition. Attackers can exploit...

CVE-2026-82018

IGEL OS 12 (before 12.9.0 / 12.8.3 LTS ) and IGEL OS 11 (before 11.11.150 ) contain a secure boot bypass in the GRUB boot stage . A physically present attacker can place an unsigned empty file named igel.conf on a partition, exploiting GRUB's fail-open signature verification behavior to reach an ...

PT-2026-83366

Name of the Vulnerable Software and Affected Versions IGEL OS 12 versions prior to 12.9.0 IGEL OS 12 version 12.8.3 LTS IGEL OS 11 versions prior to 11.11.150 Description A secure boot bypass exists in the GRUB boot stage. A physically present attacker can gain unauthorized root access by placing...

Astra Linux – Vulnerability in grub2

A flaw was discovered in grub2. When reading data from a jfs filesystem, grub’s jfs filesystem module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size. However, it improperly checks for integer overflows. A maliciously crafted filesystem may cause...

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. During the network boot process, when attempting to search for the configuration file, grub copies data from a user-controlled environment variable into an internal buffer using the grubstrcpy function. During this step, it fails to consider the length of the...