grub2: use-after-free in grub_cmd_chainloader()

A use-after-free vulnerability was found on grub2's chainloader command. This flaw allows an attacker to gain access to restricted data or cause arbitrary code execution if they can establish control from grub's memory allocation pattern...

PT-2023-8569

Name of the Vulnerable Software and Affected Versions GRUB2 affected versions not specified Description The issue is related to a use-after-free vulnerability in the grub cmd chainloader function. This function is used to boot operating systems that do not support multiboot and do not have direct...