6.4
Moyenne
CVE-2020-15706 GRUB2 contains a race condition in grub_script_function_create() leading to a use-after-free vulnerability which can…
Description
GRUB2 contains a race condition in grub_script_function_create() 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 version 2.04 and prior versions.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| grub2 in Ubuntu 2.04 | premières → < 2.04-1ubuntu26.1 | 2.04-1ubuntu26.1 |
| grub2 in Ubuntu 2.02 | premières → < 2.02-2ubuntu8.16 | 2.02-2ubuntu8.16 |