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In the Linux kernel, the following vulnerability has been resolved:
usb: typec: tcpci: fix of node refcount leak in tcpci_register_port()
I got the following report while doing device(mt6370-tcpc) load test with CONFIG_OF_UNITTEST and CONFIG_OF_DYNAMIC enabled:
OF: ERROR: memory leak, expected refcount 1 instead of 2, of_node_get()/of_node_put() unbalanced - destroy cset entry: attach overlay node /i2c/pmic@34/tcpc/connector
The 'fwnode' set in tcpci_parse_config() which is called in tcpci_register_port(), its node refcount is increased in device_get_named_child_node(). It needs be put while exiting, so call fwnode_handle_put() in the error path of tcpci_register_port() and in tcpci_unregister_port() to avoid leak.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Sep 17, 2025 | Sep 17, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade python3-perfUpgrade kernel-abi-stablelistsUpgrade kernelUpgrade kernel-toolsUpgrade bpftoolUpgrade kernel-tools-libs | Feb 3, 2026 | Feb 2, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Sep 15, 2025 |
| Ubuntu | — | Upgrade linux-nvidia-tegra-5.15Upgrade linux-gkeUpgrade linux-aws-5.4Upgrade linux-xilinx-zynqmpUpgrade linux-nvidiaUpgrade linux-aws-5.15Upgrade linux-gkeopUpgrade linux-hwe-5.15Upgrade linux-ibm-5.4Upgrade linux-ibmUpgrade linux-raspiUpgrade linuxUpgrade linux-azure-5.15Upgrade linux-lowlatencyUpgrade linux-intel-iotg-5.15Upgrade linux-oracleUpgrade linux-azure-fipsUpgrade linux-oracle-5.15Upgrade linux-oracle-5.4Upgrade linux-azureUpgrade linux-azure-fdeUpgrade linux-iotUpgrade linux-azure-5.4Upgrade linux-gcp-5.4Upgrade linux-riscv-5.15Upgrade linux-gcp-5.15Upgrade linux-gcp-fipsUpgrade linux-kvmUpgrade linux-awsUpgrade linux-realtimeUpgrade linux-intel-iot-realtimeUpgrade linux-hwe-5.4Upgrade linux-fipsUpgrade linux-bluefieldUpgrade linux-aws-fipsUpgrade linux-gcpUpgrade linux-lowlatency-hwe-5.15Upgrade linux-raspi-5.4Upgrade linux-intel-iotg | Sep 19, 2025 | Sep 16, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 15, 2025 | Sep 15, 2025 |
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