CVE-2022-28736 | BDVDB-2026-207758 Detail

Description#

There's a use-after-free vulnerability in grub_cmd_chainloader() function; The chainloader command is used to boot up operating systems that doesn't support multiboot and do not have direct support from GRUB2. When executing chainloader more than once a use-after-free vulnerability is triggered. If an attacker can control the GRUB2's memory allocation pattern sensitive data may be exposed and arbitrary code execution can be achieved.

Impact#

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Exploit#

History#

1. Version 12023-07-20Record published in the CVE List.
2. Version 22025-02-13Most recent update recorded in the CVE List.