BootStomp

BootStomp BootStomp es un buscador de errores en cargadores de arranque. Analiza dos clases diferentes de fallos: vulnerabilidades de corrupción de memoria y de almacenamiento de estado. Para más información, consulta el artículo de BootStomp en...

shim

shim，第一阶段的 UEFI 引导加载程序 shim 是一个简单的 EFI 应用程序，运行时它会尝试打开并执行另一个应用程序。它最初会尝试通过标准的 EFI LoadImage 和 StartImage 调用来完成此操作。如果这些调用失败（例如，因为启用了安全启动且二进制文件未使用相应的密钥签名），它将根据内置证书验证该二进制文件。如果验证成功并且该二进制文件或签名密钥未被禁止，shim 将重定位并执行该二进制文件。 协议 shim 锁定协议 shim 还会安装一个协议，允许第二阶段的引导加载程序执行类似的二进制验证。该协议具有 shim.h 头文件中描述的...

Astra Linux – Vulnerability in u-boot

A carefully crafted self-referential DOS partition table will cause all Das U-Boot versions up to 2019.07-rc4 to infinitely recur, causing the stack to grow indefinitely. This could lead to a system crash or the overwriting of other data...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ext4: fixed the bug in estreesearch caused by an invalid boot loader inode. We have the following issues: kernel BUG at fs/ext4/extentsstatus.c:203! invalid opcode: 0000 1 PREEMPT SMP CPU: 1 PID: 945 Comm: cat Not tainted...

Astra Linux – Vulnerability in grub2

A flaw was discovered in grub2. When reading tar files, grub2 allocates an internal buffer for the file name. However, it fails to properly verify the allocation against possible integer overflows. It’s possible to cause the allocation length to overflow with a specially crafted tar file, resulti...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: EXT4: Zeroing idisksize when initializing the bootloader inode If the bootloader inode has never been used before, the EXT4IOCSWAPBOOT inode will initialize it, including setting isize to 0. However, if the “never before used”...

dracut-112+suse.29.gc0c5e1d-1.1 on GA media (moderate)

dracut-112+suse.29.gc0c5e1d-1.1 on GA media Announcement ID: openSUSE-SU-2026:11504-1 Rating: moderate Cross-References: CVE-2026-15816 CVSS scores: CVE-2026-15816 SUSE : 7.5 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Affected Products: openSUSE Tumbleweed An update that solves one vulnerabilit...

CLSA-2026-1772756021 TuxCare security update for bl (19 CVEs)

TuxCare rebuilt bl to address 19 CVEs. Fixed in 1.0.0-tuxcare.1...

CVE-2026-58638

Missing cryptographic step in Windows Boot Loader allows an authorized attacker to bypass a security feature locally...

CVE-2026-58638 Windows Boot Loader Security Feature Bypass Vulnerability

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CVE-2026-58638 Windows Boot Loader Security Feature Bypass Vulnerability

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CVE-2026-58638

CVE-2026-58638 is a Windows Boot Loader security feature bypass caused by a missing cryptographic step. The vulnerability allows a locally authenticated attacker to bypass a security feature. Public material in connected sources attributes the issue to Windows Boot Loader behavior and notes Micro...

Windows Boot Loader Security Feature Bypass Vulnerability

Missing cryptographic step in Windows Boot Loader allows an authorized attacker to bypass a security feature locally...

CVE-2026-29008

U-Boot through 2026.04-rc3 contains an integer underflow vulnerability in the tcprxstatemachine function net/tcp.c that allows a network-adjacent attacker to crash the bootloader by sending a malformed TCP SYN+ACK packet with a manipulated data offset field causing payloadlen to become negative...

CVE-2026-29008 U-Boot 2026.04-rc3 Integer Underflow DoS via tcp_rx_state_machine()

U-Boot through 2026.04-rc3 contains an integer underflow vulnerability in the tcprxstatemachine function net/tcp.c that allows a network-adjacent attacker to crash the bootloader by sending a malformed TCP SYN+ACK packet with a manipulated data offset field causing payloadlen to become negative...

ROOT-APP-MAVEN-CVE-2024-38807 CVE-2024-38807 in io.root.org.springframework.boot:spring-boot-loader - Patched by Root

Root has patched CVE-2024-38807 in the io.root.org.springframework.boot:spring-boot-loader package for Root:Maven. Multiple fixed versions available...

Siemens RuggedCom Rox Classic Buffer Overflow (CVE-2022-30552)

Das U-Boot 2022.01 has a Buffer Overflow. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if description scriptid505481; scriptversion"1.3";...

Siemens RuggedCom Rox Out-of-bounds Write (CVE-2019-13106)

Das U-Boot versions 2016.09 through 2019.07-rc4 can memset too much data while reading a crafted ext4 filesystem, which results in a stack buffer overflow and likely code execution. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more...

PT-2026-46244

An issue in the U-Boot component of GNCC GP5 v7.1.76 allows physically-proximate attackers to bypass authentication and gain root access via interrupting the boot sequence and injecting a crafted string into the kernel boot arguments...

RLSA-2026:4760 Moderate: grub2 security update

The grub2 packages provide version 2 of the Grand Unified Boot Loader GRUB, a highly configurable and customizable boot loader with modular architecture. The packages support a variety of kernel formats, file systems, computer architectures, and hardware devices. Security Fixes: grub2: Missing...