In the Linux kernel, the following vulnerability has been resolved:
kernel/printk/index.c: 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.
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 kernel-rtNo solution existsUpgrade kernel | Nov 14, 2025 | Sep 18, 2025 |
| Ubuntu | — | Upgrade linuxUpgrade linux-ibm-5.15Upgrade linux-nvidia-tegraUpgrade linux-azure-5.15Upgrade linux-gcpUpgrade linux-riscv-5.15Upgrade linux-xilinx-zynqmpUpgrade linux-awsUpgrade linux-nvidiaUpgrade linux-ibmUpgrade linux-gkeopUpgrade linux-intel-iotgUpgrade linux-nvidia-tegra-igxUpgrade linux-nvidia-tegra-5.15Upgrade linux-intel-iot-realtimeUpgrade linux-bluefieldUpgrade linux-azure-fde-5.15Upgrade linux-gcp-5.15Upgrade linux-oracleUpgrade linux-raspiUpgrade linux-hwe-5.15Upgrade linux-gkeUpgrade linux-azureUpgrade linux-kvmUpgrade linux-aws-5.15Upgrade linux-realtimeUpgrade linux-oracle-5.15Upgrade linux-intel-iotg-5.15Upgrade linux-lowlatencyUpgrade linux-lowlatency-hwe-5.15 | Sep 26, 2025 | Sep 18, 2025 |
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