VDB
ALPINE-CVE-2020-15706
ALPINE-CVE-2020-15706
PUBLISHED
CVSS 6.400000095367432 MEDIUM
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.
Risk Scores
CVSS v3.1
6.400000095367432
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.18 | grub | 2.04-r3, 2.04-r2, 2.04-r1 |
| Alpine:v3.20 | grub | 0, 2.02-r0, 2.02-r1 |
| Alpine:v3.22 | grub | 2.04-r3, 2.02-r0, 2.02-r1 |
| Alpine:v3.19 | grub | 0, 2.04-r3, 2.04-r2 |
| Alpine:v3.17 | grub | 2.02-r0, 2.04-r3, 2.04-r2 |
| Alpine:v3.23 | grub | 2.02-r18, 2.04-r3, 2.04-r2 |
| Alpine:v3.21 | grub | 2.04-r3, 2.02-r10, 2.02-r11 |
Timeline
- Jul 29, 2020 CVE Published
- Dec 3, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch