CVE-2021-3139 · cross-distro fix matrix

CVE-2021-3139: In Open-iSCSI tcmu-runner 1.3.x, 1.4.x, and 1.5.x through 1.5.2, xcopy_locate_udev in tcmur_cmd_handler.c lacks a check for transport-layer restrictions, allowing remote attackers to read or write files via directory traversal in an XCOPY request. For example, an attack can occur over a network if t

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2021-3139 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

tcmu→ fixed in1.5.2-6urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y tcmu
```

Debian bookworm

Source: Debian Security Tracker

tcmu→ fixed in1.5.2-6urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y tcmu
```

Debian trixie

Source: Debian Security Tracker

tcmu→ fixed in1.5.2-6urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y tcmu
```

Are YOU affected by CVE-2021-3139?

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

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