CVE-2021-27097 · cross-distro fix matrix

CVE-2021-27097: The boot loader in Das U-Boot before 2021.04-rc2 mishandles a modified FIT.

Affects 8 Linux releases across 8 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2021-27097 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

u-boot→ fixed in2021.01+dfsg-5+deb11u2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y u-boot
```

Debian bookworm

Source: Debian Security Tracker

u-boot→ fixed in2021.07+dfsg-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y u-boot
```

Debian trixie

Source: Debian Security Tracker

u-boot→ fixed in2021.07+dfsg-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y u-boot
```

Alpine v3.20

Source: Alpine secdb

u-boot→ fixed in2021.04-r0
```
apk update && apk add --upgrade u-boot
```

Alpine v3.21

Source: Alpine secdb

u-boot→ fixed in2021.04-r0
```
apk update && apk add --upgrade u-boot
```

Alpine edge

Source: Alpine secdb

u-boot→ fixed in2021.04-r0
```
apk update && apk add --upgrade u-boot
```

Alpine v3.18

Source: Alpine secdb

u-boot→ fixed in2021.04-r0
```
apk update && apk add --upgrade u-boot
```

Alpine v3.19

Source: Alpine secdb

u-boot→ fixed in2021.04-r0
```
apk update && apk add --upgrade u-boot
```

Are YOU affected by CVE-2021-27097?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

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