grub2: Crafted grub.cfg file can lead to arbitrary code execution during boot process

A flaw was found in grub2, prior to version 2.06. An attacker may use the GRUB 2 flaw to hijack and tamper the GRUB verification process. This flaw also allows the bypass of Secure Boot protections. In order to load an untrusted or modified kernel, an attacker would first need to establish access...

Moderate: Red Hat Security Advisory: grub2 security update

An update for grub2, shim, shim-unsigned-x64, and fwupd is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

Privilege Escalation

xen is vulnerable to privilege escalation. The vulnerability exists as the pyGrub boot loader did not honor the "password" option in the grub.conf file for para-virtualized guests. Users with access to a guest's console could use this flaw to bypass intended access restrictions and boot the guest...

Improper access control

Locked regions may be modified through other interfaces in secure boot loader image due to improper access control. in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networkin...

CVE-2019-2267

Summary: CVE-2019-2267 affects Qualcomm closed‑source components in Snapdragon platforms (Auto, Compute, Connectivity, Mobile, etc.). The issue is caused by improper access control that allows locked regions to be modified via other interfaces in the secure boot loader image. This could impact bo...

CVE-2019-2267

Locked regions may be modified through other interfaces in secure boot loader image due to improper access control. in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networkin...

Das U-Boot Buffer Overflow Vulnerability (CNVD-2019-34618)

Das U-Boot is a boot loader program mainly for embedded systems. The program supports many different computer system architectures such as PPC, ARM, AVR32, MIPS, x86, 68k, Nios and MicroBlaze. A buffer overflow vulnerability exists in Das U-Boot. An attacker could exploit this vulnerability to...

DEBIAN-CVE-2019-13105

Das U-Boot versions 2019.07-rc1 through 2019.07-rc4 can double-free a cached block of data when listing files in a crafted ext4 filesystem...

DEBIAN-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...

Das U-Boot Digital Error Vulnerability

Das U-Boot is a boot loader program mainly for embedded systems. The program supports many different computer system architectures such as PPC, ARM, AVR32, MIPS, x86, 68k, Nios and MicroBlaze. A numeric error vulnerability exists in Das U-Boot. An attacker could exploit this vulnerability to caus...

Das U-Boot Buffer Overflow Vulnerability (CNVD-2019-34813)

Das U-Boot is a boot loader program mainly for embedded systems. The program supports many different computer system architectures such as PPC, ARM, AVR32, MIPS, x86, 68k, Nios and MicroBlaze. A buffer overflow vulnerability exists in Das U-Boot. An attacker could exploit this vulnerability to...

Das U-Boot Buffer Overflow Vulnerability (CNVD-2019-34810)

Das U-Boot is a boot loader program mainly for embedded systems. The program supports many different computer system architectures such as PPC, ARM, AVR32, MIPS, x86, 68k, Nios and MicroBlaze. A buffer overflow vulnerability exists in Das U-Boot. An attacker could exploit this vulnerability to...

Das U-Boot Buffer Overflow Vulnerability (CNVD-2019-34817)

Das U-Boot is a boot loader program mainly for embedded systems. The program supports many different computer system architectures such as PPC, ARM, AVR32, MIPS, x86, 68k, Nios and MicroBlaze. A buffer overflow vulnerability exists in Das U-Boot. An attacker could exploit this vulnerability to...

Das U-Boot Buffer Overflow Vulnerability (CNVD-2019-34819)

Das U-Boot is a boot loader program mainly for embedded systems. The program supports many different computer system architectures such as PPC, ARM, AVR32, MIPS, x86, 68k, Nios and MicroBlaze. A buffer overflow vulnerability exists in Das U-Boot. An attacker could exploit this vulnerability to...

Das U-Boot Buffer Overflow Vulnerability (CNVD-2019-34816)

Das U-Boot is a boot loader program mainly for embedded systems. The program supports many different computer system architectures such as PPC, ARM, AVR32, MIPS, x86, 68k, Nios and MicroBlaze. A buffer overflow vulnerability exists in Das U-Boot. An attacker could exploit this vulnerability to...

UBUNTU-CVE-2019-14196

An issue was discovered in Das U-Boot through 2019.07. There is an unbounded memcpy with a failed length check at nfslookupreply...

EfiGuard - Disable PatchGuard And DSE At Boot Time

EfiGuard is a portable x64 UEFI bootkit that patches the Windows boot manager, boot loader and kernel at boot time in order to disable PatchGuard and Driver Signature Enforcement DSE. Features Currently supports all EFI-compatible versions of Windows x64 ever released, from Vista SP1 to Server...

Buffer Overflow Vulnerability in Multiple IBM Products

The IBM Power System S922, among others, is a Power processor-based server device from IBM in the United States. A buffer overflow vulnerability exists in the boot loader in several IBM products. An attacker could exploit this vulnerability to overwrite the bootloader's instruction memory, bypass...

Denial Of Service (Dos)

xen is vulnerable to denial of service. This is due to the way the pyGrub boot loader handles compressed kernel images, which consumes an excessive amount of CPU resources when a large bzip2 or lzma compressed kernel image is processed, resulting in an out-of-memory condition...

CVE-2018-5861

In all android releasesAndroid for MSM, Firefox OS for MSM, QRD Android from CAF using the linux kernel, existing checks in place on partition size are incomplete and can lead to heap overwrite vulnerabilities while loading a secure application from the boot loader...