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...

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-2022-34303

🕷️ CVE-2022-34303 - Vulnérabilité du chargeur d'amorçage CryptoPro CryptoPro Secure Disk UEFI Shell - Bring Your Own Vulnerable UEFI Application BYOVUA - Contournement de Secure Boot via un UEFI Shell signé et la corruption de gSecurity2. 📑 Table des matières Vue d'ensemble Contexte Bring Your Own...

CVE-2022-34302

🕷️ CVE-2022-34302 - Vulnérabilité du chargeur d'amorçage New Horizon Datasys New Horizon Datasys Reboot Restore Boot Loader - Bring Your Own Vulnerable UEFI Application BYOVUA - Contournement de Secure Boot via un chargeur d'amorçage signé doté d'un chargeur PE/COFF personnalisé intégré qui charge...

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...

CVE-2024-7344

🐞 CVE-2024-7344 : Chargement d'image PE inapproprié Ce dépôt contient du matériel de recherche lié à CVE-2024-7344, une vulnérabilité de contournement de Secure Boot affectant les systèmes UEFI. Il centralise l'analyse technique de la vulnérabilité, la documentation du flux d'attaque, ainsi que d...

CVE-2025-47827

CVE-2025-47827 إثبات المفهوم وتقرير الثغرة الأمنية لـ CVE-2025-47827. المحتويات الوصف الإفصاح التأثير الكشف التخفيف الملفات الثنائية إثبات المفهوم الموارد الوصف في IGEL OS قبل الإصدار v11، يمكن تجاوز Secure Boot لأن وحدة igel-flash-driver تتحقق بشكل غير صحيح من التوقيع المشفر. في النهاية، يمكن...

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 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...

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...

Rocky Linux 9 [CIQ] Security Update: grub2-common / grub2-efi-aa64 / grub2-efi-aa64-cdboot / etc Multiple Vulnerabilities (crlsa-2023_0752)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20230752 advisory. grub2: Buffer overflow in grubfontconstructglyph can lead to out-of-bound write and possible secure boot bypass CVE-2022-2601 grub2: Heap based out-of-boun...

Rocky Linux 8 [CIQ] Security Update: grub2-common / grub2-debuginfo / grub2-debugsource / grub2-efi-aa64 / etc Multiple Vulnerabilities (crlsa-2023_0049)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20230049 advisory. grub2: Buffer overflow in grubfontconstructglyph can lead to out-of-bound write and possible secure boot bypass CVE-2022-2601 grub2: Heap based out-of-boun...

CentOS Linux 8 [TuxCare] Security Update: grub2-efi-ia32-cdboot / grub2-efi-ia32-modules / grub2-efi-x64 / etc Multiple Vulnerabilities (CENTOS-STREAM8:CLSA-2025:1744213211)

The CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS-STREAM8:CLSA-2025:1744213211 advisory. - A flaw was found in grub2. A specially crafted JPEG file can cause the JPEG parser of grub2 to incorrectly check the bounds of...

CentOS Linux 8.5 [TuxCare] Security Update: grub2-efi-ia32-cdboot / grub2-efi-ia32-modules / grub2-efi-x64 / etc Multiple Vulnerabilities (CENTOS8.5:CLSA-2025:1744628858)

The CentOS Linux 8.5 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS8.5:CLSA-2025:1744628858 advisory. - A flaw was found in grub2. A specially crafted JPEG file can cause the JPEG parser of grub2 to incorrectly check the bounds of its...

CentOS Linux 7 [TuxCare] Security Update: grub2 / grub2-common / grub2-efi-ia32-cdboot / grub2-efi-x64 / etc Multiple Vulnerabilities (CENTOS7:CLSA-2025:1744724536)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2025:1744724536 advisory. - A flaw was found in grub2. A specially crafted JPEG file can cause the JPEG parser of grub2 to incorrectly check the bounds of its...

AlmaLinux 9.2 [TuxCare] Security Update: grub2-common / grub2-efi-aa64-modules / grub2-efi-x64 / etc (ALMALINUX9.2:CLSA-2024:1707226462)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2024:1707226462 advisory. - An out-of-bounds write flaw was found in grub2's NTFS filesystem driver. This issue may allow an attacker to present a specially crafted NT...

AlmaLinux 9.2 [TuxCare] Security Update: grub2-common / grub2-efi-aa64-modules / grub2-efi-x64 / etc (ALMALINUX9.2:CLSA-2026:1779370563)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1779370563 advisory. - A flaw was found in grub2. When performing a symlink lookup, the grub's UFS module checks the inode's data size to allocate the internal...

OESA-2026-4033 edk2 security update

EDK II is a modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications. Security Fixes: An insecure default to allow UEFI Shell in EDK2 was left enabled in LXD. This allows an OS-resident attacker to bypass Secure Boot.CVE-2023-49721...

AMD Zynq™ UltraScale+ MPSoC and RFSoC Devices – Secure Boot Bypass via Unbounded DFU Download Requests

CVE Details Refer to Glossary for explanation of terms CVE| CVE Description| CVSS Base Score ---|---|--- CVE-2026-0461| Insufficient boundary validation in the USB boot mode implementation of AMD Zynq™ UltraScale+ MPSoC and RFSoC devices could allow unbounded Device Firmware Upgrade DFU download...