CVE-2021-27097

EUVD-2021-13868
The boot loader in Das U-Boot before 2021.04-rc2 mishandles a modified FIT.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
mitreCNA
7.8 HIGH
LOCAL
LOW
NONE
CVSS:3.1/AC:L/AV:L/A:H/C:H/I:H/PR:N/S:U/UI:R
Base Score
CVSS 3.x
EPSS Score
Percentile: 14%
Affected Products (NVD)
VendorProductVersion
denxu-boot
𝑥
≤ 2021.01
denxu-boot
2021.04:rc1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
u-boot
bookworm
2023.01+dfsg-2+deb12u1
fixed
bullseye
no-dsa
buster
no-dsa
sid
2024.01+dfsg-5
fixed
stretch
postponed
trixie
2024.01+dfsg-5
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
u-boot
bionic
ignored
focal
ignored
groovy
ignored
hirsute
ignored
impish
not-affected
jammy
not-affected
kinetic
not-affected
trusty
dne
xenial
ignored
References
https://github.com/u-boot/u-boot/commit/6f3c2d8aa5e6cbd80b5e869bbbddecb66c329d01
https://github.com/u-boot/u-boot/commit/8a7d4cf9820ea16fabd25a6379351b4dc291204b
https://github.com/u-boot/u-boot/commit/b6f4c757959f8850e1299a77c8e5713da78e8ec0
https://github.com/u-boot/u-boot/commit/6f3c2d8aa5e6cbd80b5e869bbbddecb66c329d01
https://github.com/u-boot/u-boot/commit/8a7d4cf9820ea16fabd25a6379351b4dc291204b
https://github.com/u-boot/u-boot/commit/b6f4c757959f8850e1299a77c8e5713da78e8ec0
https://lists.debian.org/debian-lts-announce/2025/09/msg00037.html