ALSA-2026:4648 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...

MiracleLinux 7 : grub2-2.02-0.33.0.1.el7.AXS7 (AXSA:2015-955:03)

The remote MiracleLinux 7 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2015-955:03 advisory. The GRand Unified Bootloader GRUB is a highly configurable and customizable bootloader with modular architecture. It support rich varietyof kernel formats, fi...

EUVD-2021-26746

Malware in sbrugna...

CVE-2025-1125

When reading data from a hfs filesystem, grub's hfs filesystem module uses user-controlled parameters from the filesystem metadata to calculate the internal buffers size, however it misses to properly check for integer overflows. A maliciouly crafted filesystem may lead some of those buffer size...

CVE-2025-0690

The read command is used to read the keyboard input from the user, while reads it keeps the input length in a 32-bit integer value which is further used to reallocate the line buffer to accept the next character. During this process, with a line big enough it's possible to make this variable to...

Unspecified vulnerability in GNU GRUB

GNU GRUB is a Linux system boot program from the GNU community. A security vulnerability exists in GNU GRUB that stems from grubcryptomemcmp not using a constant time algorithm, no details of the vulnerability are provided at this time...

grub2: Integer overflow in initrd size handling

Integer overflows were discovered in the functions grubcmdinitrd and grubinitrdinit in the efilinux component of GRUB2, as shipped in Debian, Red Hat, and Ubuntu the functionality is not included in GRUB2 upstream, leading to a heap-based buffer overflow. These could be triggered by an extremely...