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OpenAdvisories
Unscored CVE-2020-26555 EUVD-2020-19100GHSA-6vq6-ghrc-jpjw

Bluetooth legacy BR/EDR PIN code pairing in Bluetooth Core Specification 1.0B through 5.2 may permit an unauthenticated nearby device to sp…

Published May 24, 2021 · Updated Nov 4, 2025 · Assigned by mitre

Package: linux Package: linux-aws Package: linux-aws-5.0 Package: linux-aws-5.11 Package: linux-aws-5.3 Package: linux-aws-5.4 Package: linux-aws-5.8 Package: linux-aws-fips Package: linux-aws-hwe Package: linux-azure Package: linux-azure-4.15 Package: linux-azure-5.11 Package: linux-azure-5.3 Package: linux-azure-5.4 Package: linux-azure-5.8 Package: linux-azure-edge Package: linux-azure-fde-5.15 Package: linux-azure-fips Package: linux-bluefield Package: linux-dell300x Package: linux-fips Package: linux-gcp Package: linux-gcp-4.15 Package: linux-gcp-5.11 Package: linux-gcp-5.3 Package: linux-gcp-5.4 Package: linux-gcp-5.8 Package: linux-gcp-edge Package: linux-gcp-fips Package: linux-gke Package: linux-gke-4.15 Package: linux-gke-5.4 Package: linux-gkeop Package: linux-gkeop-5.4 Package: linux-hwe Package: linux-hwe-5.11 Package: linux-hwe-5.4 Package: linux-hwe-5.8 Package: linux-hwe-edge Package: linux-intel-5.13 Package: linux-intel-iot-realtime Package: linux-kvm Package: linux-lts-xenial Package: linux-oem Package: linux-oem-5.10 Package: linux-oem-5.13 Package: linux-oem-5.6 Package: linux-oracle Package: linux-oracle-5.0 Package: linux-oracle-5.11 Package: linux-oracle-5.3 Package: linux-oracle-5.4 Package: linux-oracle-5.8 Package: linux-raspi Package: linux-raspi-5.4 Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime Package: linux-riscv Package: linux-riscv-5.11 Package: linux-riscv-5.8 Package: linux-snapdragon Package: linux-vmware Ecosystem: Ubuntu

Description

Bluetooth legacy BR/EDR PIN code pairing in Bluetooth Core Specification 1.0B through 5.2 may permit an unauthenticated nearby device to spoof the BD_ADDR of the peer device to complete pairing without knowledge of the PIN.

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
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 5.4.0-80.90 —
Ubuntu 20.04 LTS linux-aws 5.4.0-1054.57 —
Ubuntu 20.04 LTS linux-azure 5.4.0-1055.57 —
Ubuntu 20.04 LTS linux-bluefield 5.4.0-1016.19 —
Ubuntu 20.04 LTS linux-gcp 5.4.0-1049.53 —
Ubuntu 20.04 LTS linux-gke 5.4.0-1049.52 —
Ubuntu 20.04 LTS linux-gkeop 5.4.0-1021.22 —
Ubuntu 20.04 LTS linux-kvm 5.4.0-1044.46 —
Ubuntu 20.04 LTS linux-oracle 5.4.0-1052.56 —
Ubuntu 20.04 LTS linux-raspi 5.4.0-1041.45 —
Ubuntu 20.04 LTS linux-riscv +17 No fix yet —
Ubuntu 18.04 LTS linux 4.15.0-151.157 —
Ubuntu 18.04 LTS linux-aws 4.15.0-1109.116 —
Ubuntu 18.04 LTS linux-aws-5.4 5.4.0-1054.57~18.04.1 —
Ubuntu 18.04 LTS linux-azure-4.15 4.15.0-1121.134 —
Ubuntu 18.04 LTS linux-azure-5.4 5.4.0-1055.57~18.04.1 —
Ubuntu 18.04 LTS linux-dell300x 4.15.0-1027.32 —
Ubuntu 18.04 LTS linux-gcp +13 No fix yet —
Ubuntu 18.04 LTS linux-gcp-4.15 4.15.0-1106.120 —
Ubuntu 18.04 LTS linux-gcp-5.4 5.4.0-1049.53~18.04.1 —
Ubuntu 18.04 LTS linux-gke-5.4 5.4.0-1049.52~18.04.1 —
Ubuntu 18.04 LTS linux-gkeop-5.4 5.4.0-1021.22~18.04.1 —
Ubuntu 18.04 LTS linux-hwe-5.4 5.4.0-80.90~18.04.1 —
Ubuntu 18.04 LTS linux-kvm 4.15.0-1097.99 —
Ubuntu 18.04 LTS linux-oracle 4.15.0-1078.86 —
Ubuntu 18.04 LTS linux-oracle-5.4 5.4.0-1052.56~18.04.1 —
Ubuntu 18.04 LTS linux-raspi-5.4 5.4.0-1041.45~18.04.1 —
Ubuntu 18.04 LTS linux-raspi2 4.15.0-1092.98 —
Ubuntu 18.04 LTS linux-snapdragon 4.15.0-1109.118 —
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
Show 9 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro FIPS 20.04 LTS linux-fips +3 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-fips 5.4.0-1031.36 —
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 4.15.0-2051.53 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-azure-fips 4.15.0-2033.37 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-fips 4.15.0-1066.75 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-gcp-fips 4.15.0-2016.18 —
Ubuntu Pro FIPS-updates 16.04 LTS linux-fips 4.4.0-1069.75 —
Ubuntu Pro 20.04 LTS linux-azure-fde-5.15 5.15.0-1114.123~20.04.1 —
Ubuntu Pro 16.04 LTS linux 4.4.0-219.252 USN-5343-1
Ubuntu Pro 16.04 LTS linux-aws 4.4.0-1135.149 USN-5343-1
Ubuntu Pro 16.04 LTS linux-aws-hwe 4.15.0-1109.116~16.04.1 —
Ubuntu Pro 16.04 LTS linux-azure 4.15.0-1121.134~16.04.1 —
Ubuntu Pro 16.04 LTS linux-gcp 4.15.0-1106.120~16.04.1 —
Ubuntu Pro 16.04 LTS linux-hwe 4.15.0-151.157~16.04.1 —
Ubuntu Pro 16.04 LTS linux-kvm 4.4.0-1100.109 USN-5343-1
Ubuntu Pro 16.04 LTS linux-oracle 4.15.0-1078.86~16.04.1 —
Ubuntu Pro 14.04 LTS linux No fix yet —
Ubuntu Pro 14.04 LTS linux-aws 4.4.0-1099.104 USN-5343-1
Ubuntu Pro 14.04 LTS linux-azure 4.15.0-1121.134~14.04.1 —
Ubuntu Pro 14.04 LTS linux-lts-xenial 4.4.0-219.252~14.04.1 USN-5343-1
ReleasePackageFixed inAdvisory
RHEL 9 bpftool 7.3.0-427.13.1.el9_4 RHSA-2024:2394
RHEL 9 rv +64 5.14.0-427.13.1.el9_4 RHSA-2024:2394
RHEL 8 kernel-rt +12 4.18.0-553.8.1.rt7.349.el8_10 RHSA-2024:4352
RHEL 8 perf +26 4.18.0-553.8.1.el8_10 RHSA-2024:4211

AlmaLinux

Errata ↗
ReleasePackageFixed inAdvisory
AlmaLinux 9 bpftool 7.3.0-427.13.1.el9_4 ALSA-2024:2394
AlmaLinux 9 rv +60 5.14.0-427.13.1.el9_4 ALSA-2024:2394
AlmaLinux 8 kernel-rt +11 4.18.0-553.8.1.rt7.349.el8_10 ALSA-2024:4352
AlmaLinux 8 perf +24 4.18.0-553.8.1.el8_10 ALSA-2024:4211

Rocky Linux

Errata ↗
ReleasePackageFixed inAdvisory
Rocky Linux 8 kernel 4.18.0-553.8.1.el8_10 RLSA-2024:4211
Rocky Linux 8 kernel-rt 4.18.0-553.8.1.rt7.349.el8_10 RLSA-2024:4352
ReleasePackageFixed inAdvisory
SLES 15 SP5 kernel-64kb +6 5.14.21-150500.55.44.1 SUSE-SU-2024:0160-1
SLES 15 SP5 kernel-azure +2 5.14.21-150500.33.29.1 SUSE-SU-2024:0141-1
SLES 15 SP5 kernel-default-base 5.14.21-150500.55.44.1.150500.6.19.2 SUSE-SU-2024:0160-1
SLES 15 SP4 kernel-64kb +6 5.14.21-150400.24.103.1 SUSE-SU-2024:0156-1
SLES 15 SP4 kernel-default-base 5.14.21-150400.24.103.1.150400.24.48.1 SUSE-SU-2024:0156-1
SLES 15 SP3 kernel-64kb +3 5.3.18-150300.59.147.2 SUSE-SU-2024:0153-1
SLES 15 SP3 kernel-default-base 5.3.18-150300.59.147.2.150300.18.86.2 SUSE-SU-2024:0153-1
SLES 15 SP3 kernel-docs +3 5.3.18-150300.59.147.1 SUSE-SU-2024:0153-1
SLES 15 SP2 kernel-default-base 5.3.18-150200.24.175.1.150200.9.89.1 SUSE-SU-2024:0154-1
SLES 15 SP2 kernel-docs +5 5.3.18-150200.24.175.1 SUSE-SU-2024:0154-1
SLES 15 SP1 kernel-docs +5 4.12.14-150100.197.168.1 SUSE-SU-2024:0120-1
Show 29 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES 12 SP5 kernel-azure +2 4.12.14-16.163.1 SUSE-SU-2024:0113-1
SLES 12 SP5 kernel-docs +4 4.12.14-122.189.1 SUSE-SU-2024:0117-1
SLES 11 SP4 kernel-ec2 +5 3.0.101-108.150.1 SUSE-SU-2024:0112-1
SLES for SAP 15 SP4 kernel-default-base 5.14.21-150400.24.103.1.150400.24.48.1 SUSE-SU-2024:0156-1
SLES for SAP 15 SP4 kernel-docs +4 5.14.21-150400.24.103.1 SUSE-SU-2024:0156-1
SLES for SAP 15 SP3 kernel-default +2 5.3.18-150300.59.147.2 SUSE-SU-2024:0153-1
SLES for SAP 15 SP3 kernel-default-base 5.3.18-150300.59.147.2.150300.18.86.2 SUSE-SU-2024:0153-1
SLES for SAP 15 SP3 kernel-docs +2 5.3.18-150300.59.147.1 SUSE-SU-2024:0153-1
SLES for SAP 15 SP2 kernel-default-base 5.3.18-150200.24.175.1.150200.9.89.1 SUSE-SU-2024:0154-1
SLES for SAP 15 SP2 kernel-docs +5 5.3.18-150200.24.175.1 SUSE-SU-2024:0154-1
SLES for SAP 15 SP1 kernel-docs +4 4.12.14-150100.197.168.1 SUSE-SU-2024:0120-1
SLES for SAP 12 SP5 kernel-azure +2 4.12.14-16.163.1 SUSE-SU-2024:0113-1
SLES for SAP 12 SP5 kernel-syms +2 4.12.14-122.189.1 SUSE-SU-2024:0117-1
SLE Real Time 15 SP4 kernel-default-base 5.14.21-150400.24.103.1.150400.24.48.1 SUSE-SU-2024:0156-1
SLE Real Time 15 SP4 kernel-docs +4 5.14.21-150400.24.103.1 SUSE-SU-2024:0156-1
SLE Real Time 12 SP5 kernel-rt +3 4.12.14-10.157.1 SUSE-SU-2024:0118-1
SLE Micro 5.5 kernel-default 5.14.21-150500.55.44.1 SUSE-SU-2024:0160-1
SLE Micro 5.5 kernel-default-base 5.14.21-150500.55.44.1.150500.6.19.2 SUSE-SU-2024:0160-1
SLE Micro 5.5 kernel-rt 5.14.21-150500.13.30.1 SUSE-SU-2024:0115-1
SLE Micro 5.4 kernel-default 5.14.21-150400.24.103.1 SUSE-SU-2024:0156-1
SLE Micro 5.4 kernel-default-base 5.14.21-150400.24.103.1.150400.24.48.1 SUSE-SU-2024:0156-1
SLE Micro 5.4 kernel-rt 5.14.21-150400.15.65.1 SUSE-SU-2024:0129-1
SLE Micro 5.3 kernel-default 5.14.21-150400.24.103.1 SUSE-SU-2024:0156-1
SLE Micro 5.3 kernel-default-base 5.14.21-150400.24.103.1.150400.24.48.1 SUSE-SU-2024:0156-1
SLE Micro 5.3 kernel-rt 5.14.21-150400.15.65.1 SUSE-SU-2024:0129-1
SLE Micro 5.2 kernel-default 5.3.18-150300.59.147.2 SUSE-SU-2024:0153-1
SLE Micro 5.2 kernel-default-base 5.3.18-150300.59.147.2.150300.18.86.2 SUSE-SU-2024:0153-1
SLE Micro 5.2 kernel-rt 5.3.18-150300.155.1 SUSE-SU-2024:0110-1
SLE Micro 5.1 kernel-default 5.3.18-150300.59.147.2 SUSE-SU-2024:0153-1
SLE Micro 5.1 kernel-default-base 5.3.18-150300.59.147.2.150300.18.86.2 SUSE-SU-2024:0153-1
SLE Micro 5.1 kernel-rt 5.3.18-150300.155.1 SUSE-SU-2024:0110-1
SLE Live Patching 15 SP5 kernel-default 5.14.21-150500.55.44.1 SUSE-SU-2024:0160-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5-RT_Update_9 1-150500.11.3.1 SUSE-SU-2024:0115-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_9 1-150500.11.5.1 SUSE-SU-2024:0160-1
SLE Live Patching 15 SP4 kernel-default 5.14.21-150400.24.103.1 SUSE-SU-2024:0156-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4-RT_Update_17 1-150400.1.3.1 SUSE-SU-2024:0129-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_22 1-150400.9.3.1 SUSE-SU-2024:0156-1
SLE Live Patching 15 SP3 kernel-default 5.3.18-150300.59.147.2 SUSE-SU-2024:0153-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_40 1-150300.7.3.2 SUSE-SU-2024:0153-1
SLE Live Patching 15 SP2 kernel-default 5.3.18-150200.24.175.1 SUSE-SU-2024:0154-1
SLE Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_44 1-150200.5.3.1 SUSE-SU-2024:0154-1
SLE Live Patching 15 SP1 kernel-default 4.12.14-150100.197.168.1 SUSE-SU-2024:0120-1
SLE Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_47 1-150100.3.3.1 SUSE-SU-2024:0120-1
SLE Live Patching 12 SP5 kernel-default 4.12.14-122.189.1 SUSE-SU-2024:0117-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_52 1-8.3.1 SUSE-SU-2024:0117-1
SLE HPC 15 SP4 kernel-64kb +5 5.14.21-150400.24.103.1 SUSE-SU-2024:0156-1
SLE HPC 15 SP4 kernel-default-base 5.14.21-150400.24.103.1.150400.24.48.1 SUSE-SU-2024:0156-1
SLE HPC 15 SP3 kernel-64kb +3 5.3.18-150300.59.147.2 SUSE-SU-2024:0153-1
SLE HPC 15 SP3 kernel-default-base 5.3.18-150300.59.147.2.150300.18.86.2 SUSE-SU-2024:0153-1
SLE HPC 15 SP3 kernel-docs +2 5.3.18-150300.59.147.1 SUSE-SU-2024:0153-1
SLE HPC 15 SP2 kernel-default-base 5.3.18-150200.24.175.1.150200.9.89.1 SUSE-SU-2024:0154-1
SLE HPC 15 SP2 kernel-docs +5 5.3.18-150200.24.175.1 SUSE-SU-2024:0154-1
SLE HPC 15 SP1 kernel-docs +4 4.12.14-150100.197.168.1 SUSE-SU-2024:0120-1
SUSE Real Time Module 15 SP5 kernel-rt +3 5.14.21-150500.13.30.1 SUSE-SU-2024:0115-1
SUSE Real Time Module 15 SP4 kernel-rt +3 5.14.21-150400.15.65.1 SUSE-SU-2024:0129-1
SUSE Manager Server 4.3 kernel-default-base 5.14.21-150400.24.103.1.150400.24.48.1 SUSE-SU-2024:0156-1
SUSE Manager Server 4.3 kernel-source +2 5.14.21-150400.24.103.1 SUSE-SU-2024:0156-1
SUSE Manager Proxy 4.3 kernel-default-base 5.14.21-150400.24.103.1.150400.24.48.1 SUSE-SU-2024:0156-1
SUSE Manager Proxy 4.3 kernel-source +1 5.14.21-150400.24.103.1 SUSE-SU-2024:0156-1
SUSE Enterprise Storage 7.1 kernel-64kb +3 5.3.18-150300.59.147.2 SUSE-SU-2024:0153-1
SUSE Enterprise Storage 7.1 kernel-default-base 5.3.18-150300.59.147.2.150300.18.86.2 SUSE-SU-2024:0153-1
SUSE Enterprise Storage 7.1 kernel-docs +2 5.3.18-150300.59.147.1 SUSE-SU-2024:0153-1
ReleasePackageFixed inAdvisory
openSUSE Leap 15.5 dtb-aarch64 +10 5.14.21-150500.55.44.1 SUSE-SU-2024:0160-1
openSUSE Leap 15.5 kernel-azure +2 5.14.21-150500.33.29.1 SUSE-SU-2024:0141-1
openSUSE Leap 15.5 kernel-default-base 5.14.21-150500.55.44.1.150500.6.19.2 SUSE-SU-2024:0160-1
openSUSE Leap 15.5 kernel-rt +3 5.14.21-150500.13.30.1 SUSE-SU-2024:0115-1
Show 2 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
openSUSE Leap Micro 5.4 kernel-default 5.14.21-150400.24.103.1 SUSE-SU-2024:0156-1
openSUSE Leap Micro 5.4 kernel-default-base 5.14.21-150400.24.103.1.150400.24.48.1 SUSE-SU-2024:0156-1
openSUSE Leap Micro 5.4 kernel-rt 5.14.21-150400.15.65.1 SUSE-SU-2024:0129-1
openSUSE Leap Micro 5.3 kernel-default 5.14.21-150400.24.103.1 SUSE-SU-2024:0156-1
openSUSE Leap Micro 5.3 kernel-default-base 5.14.21-150400.24.103.1.150400.24.48.1 SUSE-SU-2024:0156-1
openSUSE Leap Micro 5.3 kernel-rt 5.14.21-150400.15.65.1 SUSE-SU-2024:0129-1

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 9 bpftool 7.3.0-427.13.1.el9_4 ELSA-2024-2394
Oracle Linux 9 rv +27 5.14.0-427.13.1.el9_4 ELSA-2024-2394
Oracle Linux 8 kernel-uek +12 5.15.0-203.146.5.1.el9uek ELSA-2024-12159
Oracle Linux 8 perf +19 4.18.0-553.8.1.el8_10 ELSA-2024-12159, ELSA-2024-4211
Oracle Linux 7 kernel-uek +5 4.1.12-124.82.2.el7uek ELSA-2024-12110

Advisories 32

References