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OpenAdvisories

Description

hci_conn_cleanup in net/bluetooth/hci_conn.c in the Linux kernel through 6.2.9 has a use-after-free (observed in hci_conn_hash_flush) because of calls to hci_dev_put and hci_conn_put. There is a double free that may lead to privilege escalation.

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 22.04 LTS linux-riscv No fix yet —
Ubuntu 20.04 LTS linux-riscv +23 No fix yet —
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
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.rt7.342.el8_10 RHSA-2024:2950
RHEL 8 perf +26 4.18.0-553.el8_10 RHSA-2024:3138

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.rt7.342.el8_10 ALSA-2024:2950
AlmaLinux 8 perf +24 4.18.0-553.el8_10 ALSA-2024:3138

Rocky Linux

Errata ↗
ReleasePackageFixed inAdvisory
Rocky Linux 8 kernel 4.18.0-553.el8_10 RXSA-2024:3138, RLSA-2024:3138
Rocky Linux 8 kernel-rt 4.18.0-553.rt7.342.el8_10 RLSA-2024:2950
ReleasePackageFixed inAdvisory
SLES 15 SP5 kernel-64kb +6 5.14.21-150500.55.7.1 SUSE-SU-2023:2871-1
SLES 15 SP5 kernel-azure +2 5.14.21-150500.33.3.1 SUSE-SU-2023:2646-1
SLES 15 SP5 kernel-default-base 5.14.21-150500.55.7.1.150500.6.2.5 SUSE-SU-2023:2871-1
SLES 15 SP4 kernel-64kb +6 5.14.21-150400.24.60.1 SUSE-SU-2023:1897-1
SLES 15 SP4 kernel-azure +2 5.14.21-150400.14.43.1 SUSE-SU-2023:1802-1
SLES 15 SP4 kernel-default-base 5.14.21-150400.24.60.1.150400.24.24.3 SUSE-SU-2023:1897-1
SLES 15 SP3 kernel-64kb +7 5.3.18-150300.59.118.1 SUSE-SU-2023:1811-1
SLES 15 SP3 kernel-default-base 5.3.18-150300.59.118.1.150300.18.68.1 SUSE-SU-2023:1811-1
SLES 15 SP2 kernel-default-base 5.3.18-150200.24.148.1.150200.9.71.1 SUSE-SU-2023:1800-1
SLES 15 SP2 kernel-docs +5 5.3.18-150200.24.148.1 SUSE-SU-2023:1800-1
SLES 15 SP1 kernel-docs +5 4.12.14-150100.197.142.1 SUSE-SU-2023:1848-1
Show 32 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES 12 SP5 kernel-azure +2 4.12.14-16.130.1 SUSE-SU-2023:1801-1
SLES 12 SP5 kernel-docs +4 4.12.14-122.156.1 SUSE-SU-2023:1803-1
SLES 12 SP4 drbd 9.0.14+git.62f906cf-4.26.2 SUSE-SU-2023:2232-1
SLES 12 SP4 kernel-syms +2 4.12.14-95.125.1 SUSE-SU-2023:2232-1
SLES 12 SP2 kernel-syms +2 4.4.121-92.205.1 SUSE-SU-2023:2805-1
SLES for SAP 15 SP3 kernel-default-base 5.3.18-150300.59.118.1.150300.18.68.1 SUSE-SU-2023:1811-1
SLES for SAP 15 SP3 kernel-docs +5 5.3.18-150300.59.118.1 SUSE-SU-2023:1811-1
SLES for SAP 15 SP2 kernel-default-base 5.3.18-150200.24.148.1.150200.9.71.1 SUSE-SU-2023:1800-1
SLES for SAP 15 SP2 kernel-docs +5 5.3.18-150200.24.148.1 SUSE-SU-2023:1800-1
SLES for SAP 15 SP1 kernel-docs +4 4.12.14-150100.197.142.1 SUSE-SU-2023:1848-1
SLES for SAP 12 SP5 kernel-azure +2 4.12.14-16.130.1 SUSE-SU-2023:1801-1
SLES for SAP 12 SP5 kernel-syms +2 4.12.14-122.156.1 SUSE-SU-2023:1803-1
SLE Real Time 15 SP3 kernel-default-base 5.3.18-150300.59.118.1.150300.18.68.1 SUSE-SU-2023:1811-1
SLE Real Time 15 SP3 kernel-docs +5 5.3.18-150300.59.118.1 SUSE-SU-2023:1811-1
SLE Real Time 12 SP5 kernel-rt +3 4.12.14-10.121.1 SUSE-SU-2023:1894-1
SLE Micro 5.4 kernel-default 5.14.21-150400.24.60.1 SUSE-SU-2023:1897-1
SLE Micro 5.4 kernel-default-base 5.14.21-150400.24.60.1.150400.24.24.3 SUSE-SU-2023:1897-1
SLE Micro 5.4 kernel-rt 5.14.21-150400.15.23.1 SUSE-SU-2023:1992-1
SLE Micro 5.3 kernel-default 5.14.21-150400.24.60.1 SUSE-SU-2023:1897-1
SLE Micro 5.3 kernel-default-base 5.14.21-150400.24.60.1.150400.24.24.3 SUSE-SU-2023:1897-1
SLE Micro 5.3 kernel-rt 5.14.21-150400.15.23.1 SUSE-SU-2023:1992-1
SLE Micro 5.2 kernel-default 5.3.18-150300.59.118.1 SUSE-SU-2023:1811-1
SLE Micro 5.2 kernel-default-base 5.3.18-150300.59.118.1.150300.18.68.1 SUSE-SU-2023:1811-1
SLE Micro 5.2 kernel-rt 5.3.18-150300.124.1 SUSE-SU-2023:1892-1
SLE Micro 5.1 kernel-default 5.3.18-150300.59.118.1 SUSE-SU-2023:1811-1
SLE Micro 5.1 kernel-default-base 5.3.18-150300.59.118.1.150300.18.68.1 SUSE-SU-2023:1811-1
SLE Micro 5.1 kernel-rt 5.3.18-150300.124.1 SUSE-SU-2023:1892-1
SLE Live Patching 15 SP5 kernel-default 5.14.21-150500.55.7.1 SUSE-SU-2023:2871-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5-RT_Update_1 1-150500.11.5.1 SUSE-SU-2023:2809-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_1 1-150500.11.7.1 SUSE-SU-2023:2871-1
SLE Live Patching 15 SP4 kernel-default 5.14.21-150400.24.60.1 SUSE-SU-2023:1897-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4-RT_Update_1 6-150400.2.2 SUSE-SU-2023:2371-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4-RT_Update_3 4-150400.2.2 SUSE-SU-2023:2384-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4-RT_Update_5 3-150400.2.2 SUSE-SU-2023:2369-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4-RT_Update_6 1-150400.1.3.3 SUSE-SU-2023:1992-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_0 14-150400.16.1 SUSE-SU-2023:2468-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_1 11-150400.2.3 SUSE-SU-2023:2425-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_10 3-150400.2.3 SUSE-SU-2023:2459-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_11 1-150400.9.3.2 SUSE-SU-2023:1897-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_3 10-150400.2.3 SUSE-SU-2023:2455-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_5 7-150400.2.3 SUSE-SU-2023:2443-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_6 6-150400.2.3 SUSE-SU-2023:2431-1
SLE Live Patching 15 SP3 kernel-default 5.3.18-150300.59.118.1 SUSE-SU-2023:1811-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_19 14-150300.2.3 SUSE-SU-2023:2405-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_23 11-150300.2.3 SUSE-SU-2023:2423-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_28 5-150300.2.3 SUSE-SU-2023:2416-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_31 1-150300.7.3.1 SUSE-SU-2023:1811-1
SLE Live Patching 15 SP2 kernel-default 5.3.18-150200.24.148.1 SUSE-SU-2023:1800-1
SLE Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_29 11-150200.2.3 SUSE-SU-2023:2405-1
SLE Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_32 5-150200.2.3 SUSE-SU-2023:2448-1
SLE Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_35 1-150200.5.3.1 SUSE-SU-2023:1800-1
SLE Live Patching 15 SP1 kernel-default 4.12.14-150100.197.142.1 SUSE-SU-2023:1848-1
SLE Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_31 12-150100.2.2 SUSE-SU-2023:2376-1
SLE Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_35 7-150100.2.2 SUSE-SU-2023:2389-1
SLE Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_39 1-150100.3.5.1 SUSE-SU-2023:1848-1
SLE Live Patching 12 SP5 kernel-default 4.12.14-122.156.1 SUSE-SU-2023:1803-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_32 12-2.2 SUSE-SU-2023:2453-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_38 5-2.2 SUSE-SU-2023:2442-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_39 +1 4-2.2 SUSE-SU-2023:2415-1, SUSE-SU-2023:2399-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_42 1-8.3.1 SUSE-SU-2023:1803-1
SLE Live Patching 12 SP4 kernel-default 4.12.14-95.125.1 SUSE-SU-2023:2232-1
SLE Live Patching 12 SP4 kgraft-patch-SLE12-SP4_Update_27 12-2.2 SUSE-SU-2023:2422-1
SLE Live Patching 12 SP4 kgraft-patch-SLE12-SP4_Update_30 8-2.2 SUSE-SU-2023:2420-1
SLE Live Patching 12 SP4 kgraft-patch-SLE12-SP4_Update_35 1-6.5.1 SUSE-SU-2023:2232-1
SLE HPC 15 SP3 kernel-64kb +6 5.3.18-150300.59.118.1 SUSE-SU-2023:1811-1
SLE HPC 15 SP3 kernel-default-base 5.3.18-150300.59.118.1.150300.18.68.1 SUSE-SU-2023:1811-1
SLE HPC 15 SP2 kernel-default-base 5.3.18-150200.24.148.1.150200.9.71.1 SUSE-SU-2023:1800-1
SLE HPC 15 SP2 kernel-docs +5 5.3.18-150200.24.148.1 SUSE-SU-2023:1800-1
SLE HPC 15 SP1 kernel-docs +4 4.12.14-150100.197.142.1 SUSE-SU-2023:1848-1
SUSE Real Time Module 15 SP5 kernel-rt +3 5.14.21-150500.13.5.1 SUSE-SU-2023:2809-1
SUSE Real Time Module 15 SP4 kernel-rt +3 5.14.21-150400.15.23.1 SUSE-SU-2023:1992-1
SUSE Real Time Module 15 SP3 kernel-rt +3 5.3.18-150300.124.1 SUSE-SU-2023:1892-1
SUSE OpenStack Cloud Crowbar 9 kernel-syms +2 4.12.14-95.125.1 SUSE-SU-2023:2232-1
SUSE OpenStack Cloud 9 kernel-syms +2 4.12.14-95.125.1 SUSE-SU-2023:2232-1
SUSE Manager Server 4.2 kernel-default-base 5.3.18-150300.59.118.1.150300.18.68.1 SUSE-SU-2023:1811-1
SUSE Manager Server 4.2 kernel-source +3 5.3.18-150300.59.118.1 SUSE-SU-2023:1811-1
SUSE Manager Proxy 4.2 kernel-default-base 5.3.18-150300.59.118.1.150300.18.68.1 SUSE-SU-2023:1811-1
SUSE Manager Proxy 4.2 kernel-source +2 5.3.18-150300.59.118.1 SUSE-SU-2023:1811-1
SUSE Enterprise Storage 7.1 kernel-64kb +6 5.3.18-150300.59.118.1 SUSE-SU-2023:1811-1
SUSE Enterprise Storage 7.1 kernel-default-base 5.3.18-150300.59.118.1.150300.18.68.1 SUSE-SU-2023:1811-1
SUSE Enterprise Storage 7 kernel-default-base 5.3.18-150200.24.148.1.150200.9.71.1 SUSE-SU-2023:1800-1
SUSE Enterprise Storage 7 kernel-docs +5 5.3.18-150200.24.148.1 SUSE-SU-2023:1800-1
ReleasePackageFixed inAdvisory
openSUSE Leap 15.5 dtb-aarch64 +10 5.14.21-150500.55.7.1 SUSE-SU-2023:2871-1
openSUSE Leap 15.5 kernel-azure +2 5.14.21-150500.33.3.1 SUSE-SU-2023:2646-1
openSUSE Leap 15.5 kernel-default-base 5.14.21-150500.55.7.1.150500.6.2.5 SUSE-SU-2023:2871-1
openSUSE Leap 15.5 kernel-rt +3 5.14.21-150500.13.5.1 SUSE-SU-2023:2809-1
openSUSE Leap 15.4 dtb-aarch64 5.3.18-150300.59.118.1 SUSE-SU-2023:1897-1, SUSE-SU-2023:1811-1
openSUSE Leap 15.4 kernel-64kb +5 5.14.21-150400.24.60.1 SUSE-SU-2023:1897-1
openSUSE Leap 15.4 kernel-azure +2 5.14.21-150400.14.43.1 SUSE-SU-2023:1802-1
openSUSE Leap 15.4 kernel-debug +4 4.12.14-150100.197.142.1 SUSE-SU-2023:1897-1, SUSE-SU-2023:1848-1
openSUSE Leap 15.4 kernel-default-base 5.14.21-150400.24.60.1.150400.24.24.3 SUSE-SU-2023:1897-1
openSUSE Leap 15.4 kernel-rt +3 5.14.21-150400.15.23.1 SUSE-SU-2023:1992-1
Show 1 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
openSUSE Leap Micro 5.3 kernel-default 5.14.21-150400.24.60.1 SUSE-SU-2023:1897-1
openSUSE Leap Micro 5.3 kernel-default-base 5.14.21-150400.24.60.1.150400.24.24.3 SUSE-SU-2023:1897-1
openSUSE Leap Micro 5.3 kernel-rt 5.14.21-150400.15.23.1 SUSE-SU-2023:1992-1

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 2 (CBL-Mariner) kernel 5.15.122.1-2 —

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 perf +19 4.18.0-553.el8_10 ELSA-2024-3138

Advisories 50

References