CVE-2023-49298 · cross-distro fix matrix

CVE-2023-49298: OpenZFS through 2.1.13 and 2.2.x through 2.2.1, in certain scenarios involving applications that try to rely on efficient copying of file data, can replace file contents with zero-valued bytes and thus potentially disable security mechanisms. NOTE: this issue is not always security related, but can

Affects 7 Linux releases across 15 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2023-49298 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

zfs-linux→ fixed in2.0.3-9+deb11u2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y zfs-linux
```

Debian bookworm

Source: Debian Security Tracker

zfs-linux→ fixed in2.1.11-1+deb12u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y zfs-linux
```

Debian trixie

Source: Debian Security Tracker

zfs-linux→ fixed in2.1.14-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y zfs-linux
```

Alpine v3.20

Source: Alpine secdb

zfs-lts→ fixed in2.2.1-r1
```
apk update && apk add --upgrade zfs-lts
```
zfs-rpi→ fixed in2.2.1-r1
```
apk update && apk add --upgrade zfs-rpi
```
zfs→ fixed in2.2.1-r1
```
apk update && apk add --upgrade zfs
```

Alpine v3.21

Source: Alpine secdb

zfs-lts→ fixed in2.2.1-r1
```
apk update && apk add --upgrade zfs-lts
```
zfs-rpi→ fixed in2.2.1-r1
```
apk update && apk add --upgrade zfs-rpi
```
zfs→ fixed in2.2.1-r1
```
apk update && apk add --upgrade zfs
```

Alpine edge

Source: Alpine secdb

zfs-lts→ fixed in2.2.1-r1
```
apk update && apk add --upgrade zfs-lts
```
zfs-rpi→ fixed in2.2.1-r1
```
apk update && apk add --upgrade zfs-rpi
```
zfs→ fixed in2.2.1-r1
```
apk update && apk add --upgrade zfs
```

Alpine v3.19

Source: Alpine secdb

zfs-lts→ fixed in2.2.1-r1
```
apk update && apk add --upgrade zfs-lts
```
zfs-rpi→ fixed in2.2.1-r1
```
apk update && apk add --upgrade zfs-rpi
```
zfs→ fixed in2.2.1-r1
```
apk update && apk add --upgrade zfs
```

Are YOU affected by CVE-2023-49298?

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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