Grub2 Heap Buffer Overflow DoS

The vulnerability of the grubscriptfunctioncreate function, which is part of the Grub2 operating system loader, stems from an error in function overriding. This function is already being executed. Exploiting this vulnerability could allow a perpetrator to access confidential data, compromise data...

grub2: Use-after-free redefining a function whilst the same function is already executing

GRUB2 contains a race condition in grubscriptfunctioncreate leading to a use-after-free vulnerability which can be triggered by redefining a function whilst the same function is already executing, leading to arbitrary code execution and secure boot restriction bypass. This issue affects GRUB2...

ALPINE-CVE-2020-15706

GRUB2 contains a race condition in grubscriptfunctioncreate leading to a use-after-free vulnerability which can be triggered by redefining a function whilst the same function is already executing, leading to arbitrary code execution and secure boot restriction bypass. This issue affects GRUB2...

PT-2020-3624

Name of the Vulnerable Software and Affected Versions GRUB2 versions prior to 2.04 Description The issue is related to a race condition in the grub script function create function of the Grub2 bootloader, which can lead to a use-after-free condition when a function is redefined while it is alread...