CVE-2020-27153 · cross-distro fix matrix

CVE-2020-27153: In BlueZ before 5.55, a double free was found in the gatttool disconnect_cb() routine from shared/att.c. A remote attacker could potentially cause a denial of service or code execution, during service discovery, due to a redundant disconnect MGMT event.

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

Fix per ecosystem

Each block below is a distro release where CVE-2020-27153 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

bluez→ fixed in5.55-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y bluez
```

Debian bookworm

Source: Debian Security Tracker

bluez→ fixed in5.55-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y bluez
```

Debian trixie

Source: Debian Security Tracker

bluez→ fixed in5.55-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y bluez
```

Are YOU affected by CVE-2020-27153?

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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