Description
Improper access control in subsystem for BlueZ before version 5.54 may allow an unauthenticated user to potentially enable escalation of privilege and denial of service via adjacent access
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Intel | BlueZ | 5.54 | — |
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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | bluez | 5.50-1.1 | — |
| Debian 13 | bluez | 5.50-1.1 | — |
| Debian 12 | bluez | 5.50-1.1 | — |
| Debian 10 | bluez | 5.50-1.2~deb10u1 | DSA-4647-1 |
| Debian 9 | bluez | 5.43-2+deb9u2 | DSA-4647-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 8 | bluez | 5.43-2+deb9u2~deb8u1 | DLA-2240-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | bluez | 5.48-0ubuntu3.4 | USN-4311-1 |
| Ubuntu 16.04 LTS | bluez | 5.37-0ubuntu5.3 | USN-4311-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | bluez +5 | 5.50-4.el8 | RHSA-2020:4481 |
| RHEL 7 | bluez +4 | 5.44-7.el7 | RHSA-2020:4001 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | bluez | 5.48-13.3.1 | SUSE-SU-2020:3034-1 |
| SLES 15 SP1 | bluez | 5.48-5.25.1 | SUSE-SU-2020:0918-1 |
| SLES 12 SP5 | bluez | 5.13-5.23.1 | SUSE-SU-2020:3516-1 |
| SLES 12 SP4 | bluez | 5.13-5.23.1 | SUSE-SU-2020:3516-1 |
| SLES 12 SP3 | bluez | 5.13-5.23.1 | SUSE-SU-2020:3516-1 |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | bluez | 5.13-5.23.1 | SUSE-SU-2020:3516-1 |
| SLES for SAP 12 SP5 | bluez | 5.13-5.23.1 | SUSE-SU-2020:3516-1 |
| SLES for SAP 12 SP4 | bluez | 5.13-5.23.1 | SUSE-SU-2020:3516-1 |
| SLES for SAP 12 SP3 | bluez | 5.13-5.23.1 | SUSE-SU-2020:3516-1 |
| SLES for SAP 12 SP2 | bluez | 5.13-5.23.1 | SUSE-SU-2020:3516-1 |
| SUSE OpenStack Cloud Crowbar 9 | bluez | 5.13-5.23.1 | SUSE-SU-2020:3516-1 |
| SUSE OpenStack Cloud Crowbar 8 | bluez | 5.13-5.23.1 | SUSE-SU-2020:3516-1 |
| SUSE OpenStack Cloud 9 | bluez | 5.13-5.23.1 | SUSE-SU-2020:3516-1 |
| SUSE OpenStack Cloud 8 | bluez | 5.13-5.23.1 | SUSE-SU-2020:3516-1 |
| SUSE OpenStack Cloud 7 | bluez | 5.13-5.23.1 | SUSE-SU-2020:3516-1 |
| SUSE HPE Helion OpenStack 8 | bluez | 5.13-5.23.1 | SUSE-SU-2020:3516-1 |
| SUSE Enterprise Storage 5 | bluez | 5.13-5.23.1 | SUSE-SU-2020:3516-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.2 | bluez | 5.48-lp152.12.3.1 | openSUSE-SU-2020:0872-1 |
| openSUSE Leap 15.1 | bluez | 5.48-lp151.8.12.1 | openSUSE-SU-2020:0479-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | bluez +1 | 5.54-r0 | — |
| Alpine v3.23 | bluez +1 | 5.54-r0 | — |
| Alpine v3.22 | bluez +1 | 5.54-r0 | — |
| Alpine v3.21 | bluez +1 | 5.54-r0 | — |
| Alpine v3.20 | bluez +1 | 5.54-r0 | — |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | bluez +1 | 5.54-r0 | — |
| Alpine v3.18 | bluez | 5.54-r0 | — |
| Alpine v3.17 | bluez | 5.54-r0 | — |
| Alpine v3.16 | bluez | 5.54-r0 | — |
| Alpine v3.15 | bluez | 5.54-r0 | — |
| Alpine v3.14 | bluez | 5.54-r0 | — |
| Alpine v3.13 | bluez | 5.54-r0 | — |
| Alpine v3.12 | bluez | 5.54-r0 | — |
| Alpine v3.11 | bluez | 5.52-r1 | — |
| Alpine v3.10 | bluez | 5.50-r4 | — |
| Alpine v3.9 | bluez | 5.50-r1 | — |
| Alpine v3.8 | bluez | 5.49-r3 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | bluez +4 | 5.44-7.amzn2 | ALAS2-2020-1504 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | bluez +5 | 5.50-4.el8 | ELSA-2020-4481 |
| Oracle Linux 7 | bluez +4 | 5.44-7.el7 | ELSA-2020-4001 |
Advisories 14
- RHSA-2020:4481 Red Hat Security Advisory: bluez security update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- RHSA-2020:4001 Red Hat Security Advisory: bluez security update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- USN-4311-1 bluez vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-4647-1 bluez - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2240-1 bluez - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2020:0872-1 Security update for bluez SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:3034-1 Security update for bluez SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:0479-1 Security update for bluez SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:0918-1 Security update for bluez SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:3516-1 Security update for bluez SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2026-0012 Red Hat Enterprise Linux: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 5, 2026
- ELSA-2020-4481 Moderate: bluez security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Nov 18, 2020
- ALAS2-2020-1504 Moderate: bluez security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Oct 22, 2020
- ELSA-2020-4001 Moderate: bluez security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 6, 2020
References
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00352.html
- GLSA-202003-49 vendor-advisory
- DSA-4647 vendor-advisory
- USN-4311-1 vendor-advisory
- openSUSE-SU-2020:0479 vendor-advisory
- [debian-lts-announce] 20200609 [SECURITY] [DLA 2240-1] bluez security update mailing-list
- openSUSE-SU-2020:0872 vendor-advisory