VULNERABILITY INTELLIGENCE
CVE-2024-2312
CVSS score6.7 MEDIUM
EPSS probability0.38%
CISA KEVNot currently listed
Published2024-04-05
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Description
GRUB2 does not call the module fini functions on exit, leading to Debian/Ubuntu's peimage GRUB2 module leaving UEFI system table hooks after exit. This lead to a use-after-free condition, and could possibly lead to secure boot bypass.
Weakness classification
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-416
Primary references
- security@ubuntu.com — Exploit, Issue Tracking, Patch
- security@ubuntu.com — Third Party Advisory
- security@ubuntu.com — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Patch
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory