vulnerability
Ubuntu: (CVE-2024-2312): grub2-unsigned vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:M/C:C/I:C/A:C) | Apr 5, 2024 | Nov 19, 2024 | Aug 18, 2025 |
Severity
7
CVSS
(AV:L/AC:L/Au:M/C:C/I:C/A:C)
Published
Apr 5, 2024
Added
Nov 19, 2024
Modified
Aug 18, 2025
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.
Solutions
ubuntu-upgrade-grub2-signedubuntu-upgrade-grub2-unsigned
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