Debian 11: DLA-3879-1 Critical: Bluez Multiple Bluetooth Issues

CVE-2021-3658

adapter: Fix storing discoverable setting

CVE-2021-41229

Memory leak in the SDP protocol

CVE-2021-43400

Use-after-free on client disconnect

CVE-2022-0204

GATT heap overflow

CVE-2022-39176

Proximate attackers could obtain sensitive information

CVE-2022-39177

Proximate attackers could cause denial of service

CVE-2023-27349

AVRCP crash while handling unsupported events

CVE-2023-50229

Phone Book Access profile Heap-based Buffer Overflow

CVE-2023-50230

Phone Book Access profile Heap-based Buffer Overflow

For Debian 11 bullseye, these problems have been fixed in version
5.55-3.1+deb11u2.

We recommend that you upgrade your bluez packages.

For the detailed security status of bluez please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/bluez

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS