Description
Legacy pairing and secure-connections pairing authentication in Bluetooth BR/EDR Core Specification v5.2 and earlier may allow an unauthenticated user to complete authentication without pairing credentials via adjacent access. An unauthenticated, adjacent attacker could impersonate a Bluetooth BR/EDR master or slave to pair with a previously paired remote device to successfully complete the authentication procedure without knowing the link key.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Bluetooth | BR/EDR | 5.2 – ≤ 5.2 | — |
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.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux-realtime +1 | No fix yet | — |
| Ubuntu 20.04 LTS | linux | 5.4.0-56.62 | USN-4658-1 |
| Ubuntu 20.04 LTS | linux-aws | 5.4.0-1030.31 | USN-4658-1 |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1032.33 | USN-4658-1 |
| Ubuntu 20.04 LTS | linux-gcp +1 | 5.4.0-1030.32 | USN-4658-1 |
| Ubuntu 20.04 LTS | linux-hwe-5.8 | 5.8.0-31.33~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-kvm | 5.4.0-1028.29 | USN-4658-1 |
| Ubuntu 20.04 LTS | linux-oem-5.6 | 5.6.0-1048.52 | USN-4752-1 |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1023.26 | USN-4658-1 |
| Ubuntu 20.04 LTS | linux-raspi2 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-riscv | 5.4.0-37.42 | — |
| Ubuntu 18.04 LTS | linux | 4.15.0-129.132 | USN-4680-1 |
| Ubuntu 18.04 LTS | linux-aws | 4.15.0-1091.96 | USN-4680-1 |
| Ubuntu 18.04 LTS | linux-aws-5.4 | 5.4.0-1030.31~18.04.1 | USN-4658-1 |
| Ubuntu 18.04 LTS | linux-azure-4.15 | 4.15.0-1103.114 | USN-4680-1 |
| Ubuntu 18.04 LTS | linux-azure-5.4 | 5.4.0-1032.33~18.04.1 | USN-4658-1 |
| Ubuntu 18.04 LTS | linux-dell300x | 4.15.0-1010.14 | — |
| Ubuntu 18.04 LTS | linux-gcp +12 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp-4.15 | 4.15.0-1091.104 | USN-4680-1 |
| Ubuntu 18.04 LTS | linux-gcp-5.4 +2 | 5.4.0-1030.32~18.04.1 | USN-4658-1 |
| Ubuntu 18.04 LTS | linux-gkeop-5.4 | 5.4.0-1005.6 | — |
| Ubuntu 18.04 LTS | linux-hwe-5.4 | 5.4.0-56.62~18.04.1 | USN-4658-1 |
| Ubuntu 18.04 LTS | linux-kvm | 4.15.0-1082.84 | USN-4680-1 |
| Ubuntu 18.04 LTS | linux-oracle | 4.15.0-1062.68 | USN-4680-1 |
| Ubuntu 18.04 LTS | linux-raspi-5.4 | 5.4.0-1023.26~18.04.1 | USN-4658-1 |
| Ubuntu 18.04 LTS | linux-raspi2 +1 | 4.15.0-1077.82 | USN-4680-1 |
| Ubuntu 18.04 LTS | linux-snapdragon | 4.15.0-1094.103 | USN-4680-1 |
| Ubuntu 16.04 LTS | linux | 4.4.0-197.229 | USN-4657-1 |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1118.132 | USN-4657-1 |
| Ubuntu 16.04 LTS | linux-aws-hwe | 4.15.0-1091.96~16.04.1 | USN-4680-1 |
| Ubuntu 16.04 LTS | linux-azure | 4.15.0-1103.114~16.04.1 | USN-4680-1 |
| Ubuntu 16.04 LTS | linux-gcp | 4.15.0-1091.104~16.04.1 | USN-4680-1 |
| Ubuntu 16.04 LTS | linux-hwe | 4.15.0-129.132~16.04.1 | USN-4680-1 |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
| Ubuntu 16.04 LTS | linux-kvm | 4.4.0-1084.93 | USN-4657-1 |
| Ubuntu 16.04 LTS | linux-oracle | 4.15.0-1062.68~16.04.1 | USN-4680-1 |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1142.152 | USN-4657-1 |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1146.156 | USN-4657-1 |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro FIPS 20.04 LTS | linux-aws-fips +2 | No fix yet | — |
| Ubuntu Pro FIPS 18.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS 16.04 LTS | linux-fips | No fix yet | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-aws-fips | 5.4.0-1069.73+fips2 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-azure-fips | 5.4.0-1073.76+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-gcp-fips | 5.4.0-1067.71~20.04.1 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-aws-fips | 4.15.0-2034.35 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-azure-fips | 4.15.0-2016.18 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-fips | 4.15.0-1049.56 | — |
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | 4.4.0-1051.57 | — |
| Ubuntu Pro 20.04 LTS | linux-azure-fde-5.15 | 5.15.0-1114.123~20.04.1 | — |
| Ubuntu Pro 14.04 LTS | linux | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux-aws | 4.4.0-1082.86 | USN-4657-1 |
| Ubuntu Pro 14.04 LTS | linux-azure | 4.15.0-1103.114~14.04.1 | USN-4680-1 |
| Ubuntu Pro 14.04 LTS | linux-lts-xenial | 4.4.0-197.229~14.04.1 | USN-4657-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | bpftool | 7.4.0-503.11.1.el9_5 | RHSA-2024:9315 |
| RHEL 9 | rv +67 | 5.14.0-503.11.1.el9_5 | RHSA-2024:9315 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | kernel-azure +2 | 5.3.18-18.12.1 | SUSE-SU-2020:2102-1 |
| SLES 15 SP2 | kernel-default-base | 5.3.18-24.9.1.9.2.6 | SUSE-SU-2024:2365-1, SUSE-SU-2020:2105-1 |
| SLES 15 SP2 | kernel-docs | 5.3.18-24.9.2 | SUSE-SU-2024:2365-1, SUSE-SU-2020:2105-1 |
| SLES 15 SP2 | kernel-syms +4 | 5.3.18-24.9.1 | SUSE-SU-2024:2365-1, SUSE-SU-2020:2105-1 |
| SLES 15 SP1 | kernel-azure +2 | 4.12.14-8.41.1 | SUSE-SU-2020:2541-1 |
| SLES 15 SP1 | kernel-docs +5 | 4.12.14-197.56.1 | SUSE-SU-2020:2575-1 |
| SLES 15 | kernel-docs +6 | 4.12.14-150.58.1 | SUSE-SU-2020:2610-1 |
| SLES 12 SP5 | kernel-azure +2 | 4.12.14-16.22.1 | SUSE-SU-2024:2360-1, SUSE-SU-2020:2119-1 |
| SLES 12 SP5 | kernel-docs +4 | 4.12.14-122.29.1 | SUSE-SU-2024:2561-1, SUSE-SU-2020:2122-1 |
| SLES 12 SP4 | kernel-syms +2 | 4.12.14-95.60.1 | SUSE-SU-2020:2623-1 |
Show 24 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | kernel-syms +2 | 4.4.180-94.127.1 | SUSE-SU-2020:2152-1 |
| SLES 12 SP3 | kgraft-patch-SLE12-SP3_Update_34 | 1-4.3.1 | SUSE-SU-2020:2152-1 |
| SLES 12 SP2 | kernel-syms +2 | 4.4.121-92.138.1 | SUSE-SU-2020:2134-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_36 | 1-3.3.1 | SUSE-SU-2020:2134-1 |
| SLES for SAP 15 SP2 | kernel-default-base | 5.3.18-150200.24.197.1.150200.9.101.1 | SUSE-SU-2024:2365-1 |
| SLES for SAP 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.197.1 | SUSE-SU-2024:2365-1 |
| SLES for SAP 15 | kernel-docs +5 | 4.12.14-150.58.1 | SUSE-SU-2020:2610-1 |
| SLES for SAP 12 SP5 | kernel-azure +2 | 4.12.14-16.22.1 | SUSE-SU-2024:2360-1, SUSE-SU-2020:2119-1 |
| SLES for SAP 12 SP5 | kernel-syms +2 | 4.12.14-122.29.1 | SUSE-SU-2024:2561-1, SUSE-SU-2020:2122-1 |
| SLES for SAP 12 SP4 | kernel-syms +2 | 4.12.14-95.60.1 | SUSE-SU-2020:2623-1 |
| SLES for SAP 12 SP3 | kernel-syms +2 | 4.4.180-94.127.1 | SUSE-SU-2020:2152-1 |
| SLES for SAP 12 SP3 | kgraft-patch-SLE12-SP3_Update_34 | 1-4.3.1 | SUSE-SU-2020:2152-1 |
| SLES for SAP 12 SP2 | kernel-syms +2 | 4.4.121-92.138.1 | SUSE-SU-2020:2134-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_36 | 1-3.3.1 | SUSE-SU-2020:2134-1 |
| SLE Real Time 12 SP5 | kernel-rt +3 | 4.12.14-10.16.1 | SUSE-SU-2020:2605-1 |
| SLE Live Patching 15 SP2 | kernel-default | 5.3.18-24.9.1 | SUSE-SU-2024:2365-1, SUSE-SU-2020:2105-1 |
| SLE Live Patching 15 SP2 | kernel-livepatch-SLE15-SP2_Update_1 | 1-5.3.6 | SUSE-SU-2020:2105-1 |
| SLE Live Patching 15 SP2 | kernel-livepatch-SLE15-SP2_Update_50 | 1-150200.5.3.1 | SUSE-SU-2024:2365-1 |
| SLE Live Patching 15 SP1 | kernel-default | 4.12.14-197.56.1 | SUSE-SU-2020:2575-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_15 | 1-3.3.2 | SUSE-SU-2020:2575-1 |
| SLE Live Patching 15 | kernel-default | 4.12.14-150.58.1 | SUSE-SU-2020:2610-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_20 | 1-1.3.1 | SUSE-SU-2020:2610-1 |
| SLE Live Patching 12 SP5 | kernel-default | 4.12.14-122.29.1 | SUSE-SU-2024:2561-1, SUSE-SU-2020:2122-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_7 +1 | 1-8.3.1 | SUSE-SU-2024:2561-1, SUSE-SU-2020:2122-1 |
| SLE Live Patching 12 SP4 | kernel-default | 4.12.14-95.60.1 | SUSE-SU-2020:2623-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_16 | 1-6.3.1 | SUSE-SU-2020:2623-1 |
| SLE HPC 15 SP2 | kernel-default-base | 5.3.18-150200.24.197.1.150200.9.101.1 | SUSE-SU-2024:2365-1 |
| SLE HPC 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.197.1 | SUSE-SU-2024:2365-1 |
| SLE HPC 15 | kernel-docs +5 | 4.12.14-150.58.1 | SUSE-SU-2020:2610-1 |
| SUSE Real Time Module 15 SP1 | kernel-rt +3 | 4.12.14-14.28.1 | SUSE-SU-2020:2487-1 |
| SUSE OpenStack Cloud Crowbar 9 | kernel-syms +2 | 4.12.14-95.60.1 | SUSE-SU-2020:2623-1 |
| SUSE OpenStack Cloud Crowbar 8 | kernel-syms +2 | 4.4.180-94.127.1 | SUSE-SU-2020:2152-1 |
| SUSE OpenStack Cloud Crowbar 8 | kgraft-patch-SLE12-SP3_Update_34 | 1-4.3.1 | SUSE-SU-2020:2152-1 |
| SUSE OpenStack Cloud 9 | kernel-syms +2 | 4.12.14-95.60.1 | SUSE-SU-2020:2623-1 |
| SUSE OpenStack Cloud 8 | kernel-syms +2 | 4.4.180-94.127.1 | SUSE-SU-2020:2152-1 |
| SUSE OpenStack Cloud 8 | kgraft-patch-SLE12-SP3_Update_34 | 1-4.3.1 | SUSE-SU-2020:2152-1 |
| SUSE OpenStack Cloud 7 | kernel-syms +2 | 4.4.121-92.138.1 | SUSE-SU-2020:2134-1 |
| SUSE OpenStack Cloud 7 | kgraft-patch-SLE12-SP2_Update_36 | 1-3.3.1 | SUSE-SU-2020:2134-1 |
| SUSE HPE Helion OpenStack 8 | kernel-syms +2 | 4.4.180-94.127.1 | SUSE-SU-2020:2152-1 |
| SUSE HPE Helion OpenStack 8 | kgraft-patch-SLE12-SP3_Update_34 | 1-4.3.1 | SUSE-SU-2020:2152-1 |
| SUSE Enterprise Storage 5 | kernel-syms +2 | 4.4.180-94.127.1 | SUSE-SU-2020:2152-1 |
| SUSE Enterprise Storage 5 | kgraft-patch-SLE12-SP3_Update_34 | 1-4.3.1 | SUSE-SU-2020:2152-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | kernel-source | 5.14.6-1.4 | openSUSE-SU-2024:13704-1, openSUSE-SU-2024:10728-1 |
| openSUSE Leap 15.2 | bbswitch | 0.8-lp152.6.2.1 | openSUSE-SU-2020:1236-1 |
| openSUSE Leap 15.2 | crash | 7.2.8-lp152.3.2.1 | openSUSE-SU-2020:1236-1 |
| openSUSE Leap 15.2 | dpdk | 19.11.1-lp152.2.5.1 | openSUSE-SU-2020:1236-1 |
| openSUSE Leap 15.2 | drbd | 9.0.22~1+git.fe2b5983-lp152.2.2.1 | openSUSE-SU-2020:1236-1 |
| openSUSE Leap 15.2 | hdjmod | 1.28-lp152.6.2.1 | openSUSE-SU-2020:1236-1 |
| openSUSE Leap 15.2 | kernel-docs +8 | 5.3.18-lp152.36.1 | openSUSE-SU-2020:1236-1 |
| openSUSE Leap 15.2 | kernel-rt +3 | 5.3.18-lp152.3.5.1 | openSUSE-SU-2021:0242-1 |
| openSUSE Leap 15.2 | mhvtl | 1.62-lp152.2.2.1 | openSUSE-SU-2020:1236-1 |
| openSUSE Leap 15.2 | openafs | 1.8.5-lp152.2.2.1 | openSUSE-SU-2020:1236-1 |
| openSUSE Leap 15.2 | pcfclock | 0.44-lp152.4.2.1 | openSUSE-SU-2020:1236-1 |
| openSUSE Leap 15.2 | rtl8812au | 5.6.4.2+git20200318.49e98ff-lp152.2.2.1 | openSUSE-SU-2020:1236-1 |
| openSUSE Leap 15.2 | sysdig | 0.26.5-lp152.3.2.1 | openSUSE-SU-2020:1236-1 |
| openSUSE Leap 15.2 | v4l2loopback | 0.12.5-lp152.2.2.1 | openSUSE-SU-2020:1236-1 |
| openSUSE Leap 15.2 | vhba-kmp | 20200106-lp152.2.2.1 | openSUSE-SU-2020:1236-1 |
| openSUSE Leap 15.2 | virtualbox | 6.1.10-lp152.2.2.1 | openSUSE-SU-2020:1236-1 |
| openSUSE Leap 15.2 | xtables-addons | 3.9-lp152.2.2.1 | openSUSE-SU-2020:1236-1 |
| openSUSE Leap 15.1 | kernel-docs +8 | 4.12.14-lp151.28.59.1 | openSUSE-SU-2020:1153-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | bpftool | 7.4.0-503.11.1.el9_5 | ELSA-2024-9315 |
| Oracle Linux 9 | rv +28 | 5.14.0-503.11.1.el9_5 | ELSA-2024-9315 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 2 repositories
-
pr0t31n/Aether-B ★ 0 · Apr 8, 2026
Multi-phase Bluetooth BR/EDR & BLE penetration test orchestrator. Automates KNOB (CVE-2019-9506), BIAS (CVE-2020-10135), BLUFFS, BLE legacy pairing cracking, GATT enumeration, GATTacker MITM, and Blu…
-
m4rm0k/CVE-2020-10135-BIAS ★ 0 · Jun 1, 2020
CVE 2020-10135 a.k.a BIAS (Bluetooth Impersonation Attack)
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 27
- RHSA-2024:9315 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Oct 20, 2026
- USN-4752-1 linux-oem-5.6 vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-4657-1 linux, linux-aws, linux-azure, linux-kvm, linux-lts-trusty, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-4680-1 linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-4.15, linux-gke-4.15, linux-hwe, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-4658-1 linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-hwe-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- SUSE-SU-2020:2105-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1153-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0242-1 Security update for RT kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2605-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1236-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:2561-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:13704-1 kernel-devel-longterm-6.6.17-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2119-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2487-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2575-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2122-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2102-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:2360-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:2365-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2134-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2610-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2152-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2623-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10728-1 kernel-devel-5.14.6-1.4 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2541-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2024-9315 Moderate: kernel security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Nov 14, 2024
- WID-SEC-2024-1554 Bluetooth Spezifikation: Mehrere Schwachstellen ermöglichen Umgehen von Sicherheitsvorkehrungen BSI CERT-Bund (WID) · Nov 12, 2024
References
- VU#647177 third-party-advisory
- 20200602 BIAS (Bluetooth Impersonation Attack) CVE 2020-10135 reproduction mailing-list
- openSUSE-SU-2020:1153 vendor-advisory
- openSUSE-SU-2020:1236 vendor-advisory
- https://francozappa.github.io/about-bias/
- https://www.bluetooth.com/learn-about-bluetooth/bluetooth-technology/bluetooth-security/bias-vulnerability/
- http://packetstormsecurity.com/files/157922/Bluetooth-Impersonation-Attack-BIAS-Proof-Of-Concept.html