In the Linux kernel, the following vulnerability has been resolved:
USB: dwc3: fix memory leak with using debugfs_lookup()
When calling debugfs_lookup() the result must have dput() called on it, otherwise the memory will leak over time. To make things simpler, just call debugfs_lookup_and_remove() instead which handles all of the logic at once.
Note, the root dentry for the debugfs directory for the device needs to be saved so we don't have to keep looking it up, which required a bit more refactoring to properly create and remove it when needed.
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 | Sep 22, 2025 | Sep 22, 2025 |
| Redhat_linux | — | Upgrade kernelUpgrade kernel-rtNo solution exists | Nov 14, 2025 | Sep 18, 2025 |
| Ubuntu | — | Upgrade linux-awsUpgrade linux-gkeUpgrade linux-raspiUpgrade linux-aws-5.15Upgrade linux-nvidia-tegraUpgrade linux-nvidia-tegra-5.15Upgrade linuxUpgrade linux-realtimeUpgrade linux-lowlatency-hwe-5.15Upgrade linux-ibm-5.15Upgrade linux-bluefieldUpgrade linux-riscv-5.15Upgrade linux-nvidiaUpgrade linux-gcpUpgrade linux-ibmUpgrade linux-oracle-5.15Upgrade linux-azureUpgrade linux-azure-5.15Upgrade linux-oracleUpgrade linux-intel-iotg-5.15Upgrade linux-intel-iot-realtimeUpgrade linux-gkeopUpgrade linux-hwe-5.15Upgrade linux-azure-fde-5.15Upgrade linux-xilinx-zynqmpUpgrade linux-kvmUpgrade linux-gcp-5.15Upgrade linux-intel-iotgUpgrade linux-nvidia-tegra-igxUpgrade linux-lowlatency | Sep 26, 2025 | Sep 18, 2025 |
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