| Name | CVE-2024-2312 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| grub2 (PTS) | jessie, jessie (lts) | 2.02~beta2-22+deb8u2 | vulnerable |
| stretch (lts), stretch | 2.02~beta3-5+deb9u3 | vulnerable |
| buster (security), buster, buster (lts) | 2.06-3~deb10u4 | fixed |
| bullseye (security), bullseye | 2.06-3~deb11u6 | fixed |
| bookworm (security), bookworm | 2.06-13+deb12u1 | fixed |
| sid, trixie | 2.12-5 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| grub2 | source | buster | (not affected) | | | |
| grub2 | source | bullseye | (not affected) | | | |
| grub2 | source | bookworm | (not affected) | | | |
| grub2 | source | (unstable) | 2.12-2 | | | |
Notes
[bookworm] - grub2 <not-affected> (Vulnerable code not present)
[bullseye] - grub2 <not-affected> (Vulnerable code not present)
[buster] - grub2 <not-affected> (Vulnerable code not present)
https://bugs.launchpad.net/ubuntu/+source/grub2-unsigned/+bug/2054127
[stretch] - grub2 <ignored> (No SecureBoot support in jessie)
[jessie] - grub2 <ignored> (No SecureBoot support in jessie)