The vulnerability in the implementation of the grub_script_function_create() function of the Grub2 operating system allows a perpetrator to gain access to confidential data, affect the integrity of the data, and cause service failures.

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...