In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: btusb: revert use of devm_kzalloc in btusb
This reverts commit 98921dbd00c4e ("Bluetooth: Use devm_kzalloc in btusb.c file").
In btusb_probe(), we use devm_kzalloc() to allocate the btusb data. This ties the lifetime of all the btusb data to the binding of a driver to one interface, INTF. In a driver that binds to other interfaces, ISOC and DIAG, this is an accident waiting to happen.
The issue is revealed in btusb_disconnect(), where calling usb_driver_release_interface(&btusb_driver, data->intf) will have devm free the data that is also being used by the other interfaces of the driver that may not be released yet.
To fix this, revert the use of devm and go back to freeing memory explicitly.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux-6.1Upgrade linux | Feb 11, 2026 | Feb 11, 2026 |
| Oracle_linux | — | Upgrade kernel-uek | Feb 24, 2026 | Jan 13, 2026 |
| Redhat_linux | — | Upgrade kernelNo solution existsUpgrade kernel-rt | Jul 17, 2026 | Jan 13, 2026 |
| Ubuntu | — | Upgrade linux-image-oracle-64kUpgrade linux-image-realtime-5.15Upgrade linux-image-aws-64kUpgrade linux-image-5.15.0-173-lowlatency-64kUpgrade linux-image-5.15.0-1100-oracleUpgrade linux-image-5.15.0-1099-gkeUpgrade linux-image-5.15.0-1055-nvidia-tegraUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-nvidia-tegraUpgrade linux-image-nvidia-5.15Upgrade linux-image-ibmUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-nvidiaUpgrade linux-image-ibm-5.15Upgrade linux-image-gke-6.8Upgrade linux-image-generic-6.17Upgrade linux-image-gcp-64k-6.8Upgrade linux-image-azure-fips-5.15Upgrade linux-image-aws-fips-5.15Upgrade linux-image-aws-fipsUpgrade linux-image-aws-5.15Upgrade linux-image-5.15.0-173-generic-lpaeUpgrade linux-image-5.15.0-1055-nvidia-tegra-rtUpgrade linux-image-realtime-6.17Upgrade linux-image-oracle-lts-24.04Upgrade linux-image-nvidia-lowlatency-5.15Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-intelUpgrade linux-image-virtualUpgrade linux-image-oem-24.04Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-realtime-hwe-22.04Upgrade linux-image-6.17.0-1010-realtimeUpgrade linux-image-5.15.0-1067-xilinx-zynqmpUpgrade linux-image-nvidia-6.8Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-generic-lpaeUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-6.8.0-1049-oracle-64kUpgrade linux-image-nvidia-tegra-5.15Upgrade linux-image-6.8.0-2042-raspi-realtimeUpgrade linux-image-lowlatency-64kUpgrade linux-image-generic-lpae-5.15Upgrade linux-image-6.8.0-1029-xilinxUpgrade linux-image-5.15.0-1109-azureUpgrade linux-image-oem-24.04dUpgrade linux-image-gkeUpgrade linux-image-gcp-fips-6.8Upgrade linux-image-azure-6.8Upgrade linux-image-aws-6.17Upgrade linux-image-6.8.0-110-lowlatencyUpgrade linux-image-6.8.0-1054-gcp-fipsUpgrade linux-image-6.8.0-1052-raspiUpgrade linux-image-5.15.0-173-genericUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-raspiUpgrade linux-image-oem-22.04cUpgrade linux-image-raspi-6.8Upgrade linux-image-oem-20.04Upgrade linux-image-nvidia-tegra-6.8Upgrade linux-image-nvidia-tegra-rt-5.15Upgrade linux-image-lowlatencyUpgrade linux-image-gcp-64kUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-6.8.0-1051-nvidia-lowlatencyUpgrade linux-image-5.15.0-1103-gcp-fipsUpgrade linux-image-6.17.0-1011-oracle-64kUpgrade linux-image-virtual-6.17Upgrade linux-image-lowlatency-5.15Upgrade linux-image-intel-iotgUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-oem-22.04aUpgrade linux-image-gke-5.15Upgrade linux-image-gkeop-6.8Upgrade linux-image-gkeopUpgrade linux-image-nvidia-tegra-igx-5.15Upgrade linux-image-6.17.0-1012-gcpUpgrade linux-image-oracle-64k-6.8Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-aws-64k-lts-22.04Upgrade linux-image-oracle-5.15Upgrade linux-image-oem-20.04cUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-generic-64kUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-5.15.0-1095-kvmUpgrade linux-image-azure-lts-22.04Upgrade linux-image-realtime-6.8.1Upgrade linux-image-6.8.0-1052-aws-fipsUpgrade linux-image-oem-22.04Upgrade linux-image-oracle-lts-22.04Upgrade linux-image-fipsUpgrade linux-image-5.15.0-1109-azure-fipsUpgrade linux-image-5.15.0-173-lowlatencyUpgrade linux-image-6.8.0-110-fipsUpgrade linux-image-oem-20.04bUpgrade linux-image-6.8.0-1054-gcpUpgrade linux-image-6.8.0-1022-nvidia-tegraUpgrade linux-image-nvidia-tegra-igx-rt-5.15Upgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-nvidia-tegra-rtUpgrade linux-image-oem-24.04aUpgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-kvm-5.15Upgrade linux-image-intel-iotg-5.15Upgrade linux-image-azure-6.17Upgrade linux-image-aws-6.8Upgrade linux-image-6.8.0-110-lowlatency-64kUpgrade linux-image-6.8.0-1054-azureUpgrade linux-image-6.8.0-1051-ibmUpgrade linux-image-6.8.0-1050-gkeUpgrade linux-image-6.8.0-1022-nvidia-tegra-rtUpgrade linux-image-6.17.0-1012-awsUpgrade linux-image-5.15.0-1086-gkeopUpgrade linux-image-6.8.0-1054-gcp-64kUpgrade linux-image-fips-5.15Upgrade linux-image-6.8.0-1049-oracleUpgrade linux-image-genericUpgrade linux-image-6.17.0-22-genericUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-azureUpgrade linux-image-6.8.0-1051-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1037-gkeopUpgrade linux-image-6.17.0-1020-oemUpgrade linux-image-5.15.0-1103-aws-64kUpgrade linux-image-aws-fips-6.8Upgrade linux-image-generic-64k-6.17Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-oem-24.04bUpgrade linux-image-oem-22.04dUpgrade linux-image-aws-64k-6.17Upgrade linux-image-6.8.0-1051-nvidia-64kUpgrade linux-image-aws-64k-5.15Upgrade linux-image-ibm-classicUpgrade linux-image-5.15.0-1102-realtimeUpgrade linux-image-raspi-5.15Upgrade linux-image-azure-5.15Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-5.15.0-1098-nvidia-lowlatencyUpgrade linux-image-azure-fipsUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-6.17.0-1013-azureUpgrade linux-image-5.15.0-1097-raspiUpgrade linux-image-raspi-nolpaeUpgrade linux-image-realtimeUpgrade linux-image-oracle-6.17Upgrade linux-image-5.15.0-1103-aws-fipsUpgrade linux-image-nvidia-tegra-rt-6.8Upgrade linux-image-oem-22.04bUpgrade linux-image-oem-24.04cUpgrade linux-image-6.8.0-1052-aws-64kUpgrade linux-image-oracleUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-5.15.0-173-fipsUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-generic-64k-6.8Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-azure-cvmUpgrade linux-image-6.17.0-1014-raspiUpgrade linux-image-oem-6.17Upgrade linux-image-5.15.0-1103-gcpUpgrade linux-image-5.15.0-1098-intel-iotgUpgrade linux-image-5.15.0-1097-ibmUpgrade linux-image-aws-lts-24.04Upgrade linux-image-oracle-6.8Upgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-xilinx-zynqmp-5.15Upgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-6.17.0-1012-aws-64kUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-virtual-5.15Upgrade linux-image-6.8.0-1054-azure-fipsUpgrade linux-image-gcp-64k-6.17Upgrade linux-image-generic-64k-5.15Upgrade linux-image-gcp-fipsUpgrade linux-image-awsUpgrade linux-image-generic-6.8Upgrade linux-image-gcpUpgrade linux-image-intel-iot-realtime-5.15Upgrade linux-image-5.15.0-1098-nvidiaUpgrade linux-image-6.8.0-1050-gke-64kUpgrade linux-image-nvidia-tegra-igxUpgrade linux-image-gke-64k-6.8Upgrade linux-image-nvidia-64kUpgrade linux-image-ibm-6.8Upgrade linux-image-6.8.0-110-generic-64kUpgrade linux-image-raspi-realtimeUpgrade linux-image-aws-64k-6.8Upgrade linux-image-oem-20.04dUpgrade linux-image-xilinxUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-gcp-fips-5.15Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-lowlatency-64k-5.15Upgrade linux-image-6.8.0-1052-awsUpgrade linux-image-6.8.0-110-genericUpgrade linux-image-6.8.0-1051-nvidiaUpgrade linux-image-azure-lts-24.04Upgrade linux-image-5.15.0-1110-azureUpgrade linux-image-6.17.0-1011-oracleUpgrade linux-image-gcp-5.15Upgrade linux-image-gke-64kUpgrade linux-image-raspi-6.17Upgrade linux-image-virtual-6.8Upgrade linux-image-5.15.0-1044-nvidia-tegra-igx-rtUpgrade linux-image-gkeop-5.15Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-5.15.0-1094-intel-iot-realtimeUpgrade linux-image-gcp-6.8Upgrade linux-image-generic-5.15Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-5.15.0-1103-awsUpgrade linux-image-6.8.1-1047-realtimeUpgrade linux-image-oracle-64k-6.17Upgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-fips-6.8Upgrade linux-image-gcp-6.17Upgrade linux-image-generic-hwe-20.04Upgrade linux-image-kvmUpgrade linux-image-6.17.0-22-generic-64kUpgrade linux-image-xilinx-6.8Upgrade linux-image-5.15.0-173-generic-64kUpgrade linux-image-lowlatency-6.8Upgrade linux-image-6.17.0-1012-gcp-64kUpgrade linux-image-6.8.0-1059-azureUpgrade linux-image-aws-lts-22.04Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-5.15.0-1044-nvidia-tegra-igxUpgrade linux-image-azure-fips-6.8 | Mar 17, 2026 | Jan 13, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jul 10, 2026 | Jan 13, 2026 |
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