In the Linux kernel, the following vulnerability has been resolved:
most: core: fix resource leak in most_register_interface error paths
The function most_register_interface() did not correctly release resources if it failed early (before registering the device). In these cases, it returned an error code immediately, leaking the memory allocated for the interface.
Fix this by initializing the device early via device_initialize() and calling put_device() on all error paths.
The most_register_interface() is expected to call put_device() on error which frees the resources allocated in the caller. The put_device() either calls release_mdev() or dim2_release(), depending on the caller.
Switch to using device_add() instead of device_register() to handle the split initialization.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 23, 2026 | Jul 23, 2026 |
| Ubuntu | — | Upgrade linux-image-azure-fipsUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-virtualUpgrade linux-image-kvmUpgrade linux-image-gke-64kUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-gcp-6.8Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-azure-fips-6.8Upgrade linux-image-6.8.0-136-generic-64kUpgrade linux-image-aws-lts-24.04Upgrade linux-image-fips-6.8Upgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-oracleUpgrade linux-image-lowlatency-6.8Upgrade linux-image-6.8.0-1058-gkeUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-aws-fips-6.8Upgrade linux-image-6.8.0-1062-azure-fdeUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-6.8.0-134-lowlatencyUpgrade linux-image-aws-64k-6.8Upgrade linux-image-6.8.0-1058-nvidia-lowlatency-64kUpgrade linux-image-oem-22.04dUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-oem-22.04bUpgrade linux-image-6.8.0-1063-gcp-fipsUpgrade linux-image-azure-fde-6.8Upgrade linux-image-laptop-23.10Upgrade linux-image-awsUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-6.8.0-1062-azure-fipsUpgrade linux-image-6.8.0-1058-nvidiaUpgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-nvidia-tegra-rt-6.8Upgrade linux-image-6.8.0-134-fipsUpgrade linux-image-6.8.0-1058-nvidia-64kUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-6.8.0-134-genericUpgrade linux-image-generic-6.8Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.8.0-1060-awsUpgrade linux-image-oem-20.04dUpgrade linux-image-azure-fdeUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-6.8.0-1057-oracle-64kUpgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-oracle-6.8Upgrade linux-image-6.8.0-1060-raspiUpgrade linux-image-6.8.0-1060-aws-fipsUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-6.8.0-1060-aws-64kUpgrade linux-image-6.8.0-1058-nvidia-lowlatencyUpgrade linux-image-ibm-6.8Upgrade linux-image-6.8.0-1060-ibmUpgrade linux-image-generic-64k-6.8Upgrade linux-image-realtimeUpgrade linux-image-6.8.0-136-genericUpgrade linux-image-6.8.1-1055-realtimeUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-azure-6.8Upgrade linux-image-6.8.0-2049-raspi-realtimeUpgrade linux-image-6.8.0-134-generic-64kUpgrade linux-image-aws-64kUpgrade linux-image-virtual-6.8Upgrade linux-image-6.8.0-1057-oracleUpgrade linux-image-gke-64k-6.8Upgrade linux-image-fipsUpgrade linux-image-6.8.0-1063-gcpUpgrade linux-image-raspi-realtime-6.8Upgrade linux-image-aws-6.8Upgrade linux-image-6.8.0-1063-gcp-64kUpgrade linux-image-lowlatency-64kUpgrade linux-image-gcp-fipsUpgrade linux-image-ibm-classicUpgrade linux-image-genericUpgrade linux-image-6.8.0-1029-nvidia-tegra-rtUpgrade linux-image-gkeopUpgrade linux-image-oracle-64kUpgrade linux-image-intel-iotgUpgrade linux-image-generic-64kUpgrade linux-image-lowlatencyUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-gkeop-6.8Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-nvidia-tegraUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-gcpUpgrade linux-image-realtime-hwe-22.04Upgrade linux-image-oem-22.04aUpgrade linux-image-oem-20.04cUpgrade linux-image-nvidia-6.8Upgrade linux-image-gkeUpgrade linux-image-realtime-6.8.1Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-ibmUpgrade linux-image-raspiUpgrade linux-image-aws-fipsUpgrade linux-image-gcp-64kUpgrade linux-image-raspi-realtimeUpgrade linux-image-gke-6.8Upgrade linux-image-gcp-fips-6.8Upgrade linux-image-6.8.0-134-lowlatency-64kUpgrade linux-image-6.8.0-1063-azureUpgrade linux-image-6.8.0-1058-gke-64kUpgrade linux-image-6.8.0-1032-xilinxUpgrade linux-image-xilinx-6.8Upgrade linux-image-oracle-64k-6.8Upgrade linux-image-oem-20.04Upgrade linux-image-nvidia-tegra-6.8Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-nvidiaUpgrade linux-image-oem-20.04bUpgrade linux-image-6.8.0-1045-gkeopUpgrade linux-image-6.8.0-1029-nvidia-tegraUpgrade linux-image-raspi-6.8Upgrade linux-image-oem-22.04cUpgrade linux-image-nvidia-64kUpgrade linux-image-oem-22.04Upgrade linux-image-azureUpgrade linux-image-azure-lts-24.04Upgrade linux-image-xilinxUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-generic-lpae | Jul 2, 2026 | Jul 1, 2026 |
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