CVE-2021-3658 | BDVDB-2026-170973 Detail
bluez
Description#
bluetoothd from bluez incorrectly saves adapters' Discoverable status when a device is powered down, and restores it when powered up. If a device is powered down while discoverable, it will be discoverable when powered on again. This could lead to inadvertent exposure of the bluetooth stack to physically nearby attackers.
Impact#
Per CVSS v3.1: confidentiality impact high, integrity impact none, availability impact none. Attack vector: adjacent.
Weaknesses#
- CWE-863 Incorrect Authorization
References#
- https://gitlab.gnome.org/GNOME/gnome-bluetooth/-/issues/89
- https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=b497b5942a8beb8f89ca1c359c54ad67ec843055
- https://github.com/bluez/bluez/commit/b497b5942a8beb8f89ca1c359c54ad67ec843055
- https://bugzilla.redhat.com/show_bug.cgi?id=1984728
- https://security.netapp.com/advisory/ntap-20220407-0002/
- https://lists.debian.org/debian-lts-announce/2024/09/msg00022.html
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.