CVE-2024-2312

EUVD-2024-27267
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.7 MEDIUM
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
canonicalCNA
6.7 MEDIUM
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 5%
Affected Products (NVD)
VendorProductVersion
gnugrub2
𝑥
< 2.12-1ubuntu5
gnugrub2
𝑥
< 2.12-1ubuntu5
netappbootstrap_os
-
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
grub2
bookworm
2.06-13+deb12u1
not-affected
bookworm (security)
2.06-13+deb12u1
fixed
bullseye
2.06-3~deb11u6
not-affected
bullseye (security)
2.06-3~deb11u6
fixed
buster
not-affected
forky
2.14~git20250718.0e36779-2
fixed
sid
2.14~git20250718.0e36779-2
fixed
trixie
2.12-9
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
grub2
bionic
not-affected
focal
not-affected
jammy
not-affected
mantic
not-affected
noble
not-affected
oracular
not-affected
trusty
ignored
xenial
not-affected
grub2-unsigned
bionic
not-affected
focal
not-affected
jammy
not-affected
mantic
ignored
noble
Fixed 2.12-1ubuntu7
released
oracular
Fixed 2.12-1ubuntu7
released
trusty
ignored
xenial
not-affected
grub2-signed
bionic
not-affected
focal
not-affected
jammy
not-affected
mantic
ignored
noble
Fixed 1.202
released
oracular
Fixed 1.202
released
trusty
ignored
xenial
not-affected