CVE-2022-28736
There's a use-after-free vulnerability in grub_cmd_chainloader() function
- State
- Published
- Severity
- 6.4 Medium
- Published
- Jul 20, 2023
- Updated
- Feb 13, 2025
- Reserved
- Apr 5, 2022
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.4 Medium | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H | canonical |
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
GNU GRUBGNU Project |
|
References
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