CVE-2024-2312

Public on 2024-04-05
Modified on 2024-04-05
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.
Severity
Medium severity
Medium
CVSS v3 Base Score
6.7
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
HAQM Linux 1 grub Not Affected
HAQM Linux 2 - Core grub2 Not Affected
HAQM Linux 2023 grub2 Not Affected

CVSS Scores

Score Type Score Vector
HAQM Linux CVSSv3 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv3 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H