CVE-2021-34148 · cross-distro fix matrix

CVE-2021-34148: The Bluetooth Classic implementation in the Cypress WICED BT stack through 2.9.0 for CYW20735B1 devices does not properly handle the reception of LMP_max_slot with a greater ACL Length after completion of the LMP setup procedure, allowing attackers in radio range to trigger a denial of service (firm

Affects 2 Linux releases across 2 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2021-34148 has a known fix. Run the listed command on that distro to remediate.

Debian bookworm

Source: Debian Security Tracker

bluez-firmware→ fixed in1.2-8urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y bluez-firmware
```

Debian trixie

Source: Debian Security Tracker

bluez-firmware→ fixed in1.2-8urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y bluez-firmware
```

Are YOU affected by CVE-2021-34148?

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.

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