
CVE catalog
CVE-2021-27138
u-boot: CVE-2021-27138
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.10% · Oct 25, 2026
The boot loader in Das U-Boot before 2021.04-rc2 mishandles use of unit addresses in a FIT.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | u-boot | sid | 2025.01-3.2 | fixed |
| Debian | u-boot | forky | 2025.01-3.2 | fixed |
| Debian | u-boot | trixie | 2025.01-3+deb13u1 | fixed |
| Debian | u-boot | bookworm | 2023.01+dfsg-2+deb12u3 | fixed |
| Debian | u-boot | bookworm-security | 2023.01+dfsg-2+deb12u3 | fixed |
| Alpine | u-boot | 3.14 | 2021.04-r0 | fixed |
| Alpine | u-boot | 3.15 | 2021.04-r0 | fixed |
| Alpine | u-boot | 3.16 | 2021.04-r0 | fixed |
| Alpine | u-boot | 3.17 | 2021.04-r0 | fixed |
| Alpine | u-boot | 3.18 | 2021.04-r0 | fixed |
| Alpine | u-boot | 3.19 | 2021.04-r0 | fixed |
| Alpine | u-boot | 3.20 | 2021.04-r0 | fixed |
| Alpine | u-boot | 3.21 | 2021.04-r0 | fixed |
| Alpine | u-boot | 3.22 | 2021.04-r0 | fixed |
| Alpine | u-boot | 3.23 | 2021.04-r0 | fixed |
| Alpine | u-boot | 3.24 | 2021.04-r0 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | u-boot | source | sid | 2021.07+dfsg-2 | not yet assigned | Not reported | [983269] |
| Debian | u-boot | source | forky | 2021.07+dfsg-2 | not yet assigned | Not reported | [983269] |
| Debian | u-boot | source | trixie | 2021.07+dfsg-2 | not yet assigned | Not reported | [983269] |
| Debian | u-boot | source | bookworm | 2021.07+dfsg-2 | not yet assigned | Not reported | [983269] |
| Alpine | u-boot | apk | 3.14 | 2021.04-r0 | Not reported | ALPINE-CVE-2021-27138 | Not reported |
| Alpine | u-boot | apk | 3.15 | 2021.04-r0 | Not reported | ALPINE-CVE-2021-27138 | Not reported |
| Alpine | u-boot | apk | 3.16 | 2021.04-r0 | Not reported | ALPINE-CVE-2021-27138 | Not reported |
| Alpine | u-boot | apk | 3.17 | 2021.04-r0 | Not reported | ALPINE-CVE-2021-27138 | Not reported |
| Alpine | u-boot | apk | 3.18 | 2021.04-r0 | Not reported | ALPINE-CVE-2021-27138 | Not reported |
| Alpine | u-boot | apk | 3.19 | 2021.04-r0 | Not reported | ALPINE-CVE-2021-27138 | Not reported |
| Alpine | u-boot | apk | 3.20 | 2021.04-r0 | Not reported | ALPINE-CVE-2021-27138 | Not reported |
| Alpine | u-boot | apk | 3.21 | 2021.04-r0 | Not reported | ALPINE-CVE-2021-27138 | Not reported |
| Alpine | u-boot | apk | 3.22 | 2021.04-r0 | Not reported | ALPINE-CVE-2021-27138 | Not reported |
| Alpine | u-boot | apk | 3.23 | 2021.04-r0 | Not reported | ALPINE-CVE-2021-27138 | Not reported |
| Alpine | u-boot | apk | 3.24 | 2021.04-r0 | Not reported | ALPINE-CVE-2021-27138 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [u-boot-amlogic]Fixed
Source package: [u-boot]
Details (2)
2023.01+dfsg-2+deb12u3· arm64 · bookwormFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
2023.01+dfsg-2+deb12u3· arm64 · bookworm-securityFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
- [u-boot-mvebu]Fixed
Source package: [u-boot]
Details (2)
2023.01+dfsg-2+deb12u3· arm64 · bookwormFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
2023.01+dfsg-2+deb12u3· arm64 · bookworm-securityFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
- [u-boot-qcom]Fixed
Source package: [u-boot]
Details (2)
2023.01+dfsg-2+deb12u3· arm64 · bookwormFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
2023.01+dfsg-2+deb12u3· arm64 · bookworm-securityFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
- [u-boot-qemu]Fixed
Source package: [u-boot]
Details (4)
2023.01+dfsg-2+deb12u3· all · bookwormFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
2023.01+dfsg-2+deb12u3· all · bookwormFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
2023.01+dfsg-2+deb12u3· all · bookworm-securityFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
2023.01+dfsg-2+deb12u3· all · bookworm-securityFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
- [u-boot-rockchip]Fixed
Source package: [u-boot]
Details (2)
2023.01+dfsg-2+deb12u3· arm64 · bookwormFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
2023.01+dfsg-2+deb12u3· arm64 · bookworm-securityFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
- [u-boot-rpi]Fixed
Source package: [u-boot]
Details (2)
2023.01+dfsg-2+deb12u3· arm64 · bookwormFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
2023.01+dfsg-2+deb12u3· arm64 · bookworm-securityFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
- [u-boot-sunxi]Fixed
Source package: [u-boot]
Details (2)
2023.01+dfsg-2+deb12u3· arm64 · bookwormFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
2023.01+dfsg-2+deb12u3· arm64 · bookworm-securityFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
- [u-boot-tegra]Fixed
Source package: [u-boot]
Details (2)
2023.01+dfsg-2+deb12u3· arm64 · bookwormFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
2023.01+dfsg-2+deb12u3· arm64 · bookworm-securityFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
- [u-boot-tools]Fixed
Source package: [u-boot]
Details (4)
2023.01+dfsg-2+deb12u3· amd64 · bookwormFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
2023.01+dfsg-2+deb12u3· arm64 · bookwormFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
2023.01+dfsg-2+deb12u3· amd64 · bookworm-securityFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
2023.01+dfsg-2+deb12u3· arm64 · bookworm-securityFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
[Debian 13 (Trixie)]
- [u-boot-amlogic-binaries]Fixed
Source package: [u-boot]
Details (1)
2025.01-3· arm64 · trixieFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · 13
- [u-boot-asahi]Fixed
Source package: [u-boot]
Details (1)
2025.01-3· arm64 · trixieFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · 13
- [u-boot-mvebu]Fixed
Source package: [u-boot]
Details (1)
2025.01-3· arm64 · trixieFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · 13
- [u-boot-qcom]Fixed
Source package: [u-boot]
Details (1)
2025.01-3· arm64 · trixieFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · 13
- [u-boot-qemu]Fixed
Source package: [u-boot]
Details (2)
2025.01-3· all · trixieFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · 13
2025.01-3· all · trixieFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · 13
- [u-boot-rockchip]Fixed
Source package: [u-boot]
Details (1)
2025.01-3· arm64 · trixieFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · 13
- [u-boot-rpi]Fixed
Source package: [u-boot]
Details (1)
2025.01-3· arm64 · trixieFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · 13
- [u-boot-sitara-binaries]Fixed
Source package: [u-boot]
Details (1)
2025.01-3· arm64 · trixieFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · 13
- [u-boot-sunxi]Fixed
Source package: [u-boot]
Details (1)
2025.01-3· arm64 · trixieFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · 13
- [u-boot-tegra]Fixed
Source package: [u-boot]
Details (1)
2025.01-3· arm64 · trixieFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · 13
- [u-boot-tools]Fixed
Source package: [u-boot]
Details (2)
2025.01-3· amd64 · trixieFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · 13
2025.01-3· arm64 · trixieFixed · Fixed:
2021.07+dfsg-2dsa · u-boot · debian · 13
Observed: