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OpenAdvisories
Medium · 6.5 CVE-2021-3658 EUVD-2021-26953GHSA-839c-8x38-qf59

bluetoothd from bluez incorrectly saves adapters' Discoverable status when a device is powered down, and restores it when powered up. If a …

Published Mar 2, 2022 · Updated Apr 15, 2026 · Assigned by redhat

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.

Affected products

VendorProductAffectedFixed
— bluez Fixedin - 5.61 and above. —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 bluez 5.61-1 —
Debian 13 bluez 5.61-1 —
Debian 12 bluez 5.61-1 —
Debian 11 bluez 5.55-3.1+deb11u2 DLA-3879-1
ReleasePackageFixed inAdvisory
Ubuntu 20.04 LTS bluez 5.53-0ubuntu3.4 USN-5155-1
Ubuntu 18.04 LTS bluez 5.48-0ubuntu3.6 USN-5155-1
ReleasePackageFixed inAdvisory
SLES 15 SP3 bluez 5.55-150300.3.14.1 SUSE-SU-2022:3981-1
SLES 15 SP2 bluez 5.48-150200.13.17.1 SUSE-SU-2022:3691-1
SLES 15 SP1 bluez 5.48-150000.5.41.1 SUSE-SU-2022:3687-1
SLES 15 bluez 5.48-150000.5.41.1 SUSE-SU-2022:3687-1
Show 11 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 15 SP2 bluez 5.48-150200.13.17.1 SUSE-SU-2022:3691-1
SLES for SAP 15 SP1 bluez 5.48-150000.5.41.1 SUSE-SU-2022:3687-1
SLES for SAP 15 bluez 5.48-150000.5.41.1 SUSE-SU-2022:3687-1
SLE HPC 15 SP2 bluez 5.48-150200.13.17.1 SUSE-SU-2022:3691-1
SLE HPC 15 SP1 bluez 5.48-150000.5.41.1 SUSE-SU-2022:3687-1
SLE HPC 15 bluez 5.48-150000.5.41.1 SUSE-SU-2022:3687-1
SUSE Manager Server 4.1 bluez 5.48-150200.13.17.1 SUSE-SU-2022:3691-1
SUSE Manager Retail Branch Server 4.1 bluez 5.48-150200.13.17.1 SUSE-SU-2022:3691-1
SUSE Manager Proxy 4.1 bluez 5.48-150200.13.17.1 SUSE-SU-2022:3691-1
SUSE Enterprise Storage 7 bluez 5.48-150200.13.17.1 SUSE-SU-2022:3691-1
SUSE Enterprise Storage 6 bluez 5.48-150000.5.41.1 SUSE-SU-2022:3687-1
ReleasePackageFixed inAdvisory
openSUSE Leap 15.3 bluez 5.55-150300.3.14.1 SUSE-SU-2022:3981-1

Advisories 5

References