CVE-2025-61664: Grub2: missing unregister call for normal_exit command may lead to use-after-free
Overview
- Severity
- Medium (CVSS 4.9)
- CVSS Vector
- CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2025-Nov
- Released
- 2025-11-21
- Last Updated
- 2026-01-08
- EPSS Score
- 0.02% (percentile: 6.6%)
Affected Products (3)
Open Source Software
- cbl2 grub2 2.06-15 on CBL Mariner 2.0
- azl3 grub2 2.06-25 on Azure Linux 3.0
Other
Revision History
- 2025-11-21: Information published.
- 2025-12-13: Information published.
- 2025-12-17: Information published.
- 2026-01-08: Information published.