CVE-2022-28736 — There's a use-after-free vulnerability in grub_cmd_chainloader() function
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…
Published: 2023-07-20 · CVSS: 6.4 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7