In the Linux kernel, the following vulnerability has been resolved:
regulator: stm32-pwr: fix of_iomap leak
Smatch reports: drivers/regulator/stm32-pwr.c:166 stm32_pwr_regulator_probe() warn: 'base' from of_iomap() not released on lines: 151,166.
In stm32_pwr_regulator_probe(), base is not released when devm_kzalloc() fails to allocate memory or devm_regulator_register() fails to register a new regulator device, which may cause a leak.
To fix this issue, replace of_iomap() with devm_platform_ioremap_resource(). devm_platform_ioremap_resource() is a specialized function for platform devices. It allows 'base' to be automatically released whether the probe function succeeds or fails.
Besides, use IS_ERR(base) instead of !base as the return value of devm_platform_ioremap_resource() can either be a pointer to the remapped memory or an ERR_PTR() encoded error code if the operation fails.
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Dec 29, 2025 | Dec 29, 2025 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Dec 24, 2025 |
| Ubuntu | — | Upgrade linux-oracle-5.15Upgrade linux-azure-5.15Upgrade linux-nvidiaUpgrade linux-kvmUpgrade linux-xilinx-zynqmpUpgrade linuxUpgrade linux-iotUpgrade linux-hwe-5.4Upgrade linux-ibm-5.4Upgrade linux-aws-fipsUpgrade linux-azure-5.4Upgrade linux-gkeopUpgrade linux-ibmUpgrade linux-intel-iot-realtimeUpgrade linux-gcpUpgrade linux-oracleUpgrade linux-gcp-fipsUpgrade linux-gcp-5.4Upgrade linux-nvidia-tegra-igxUpgrade linux-riscv-5.15Upgrade linux-azure-fipsUpgrade linux-hwe-5.15Upgrade linux-realtimeUpgrade linux-oracle-5.4Upgrade linux-nvidia-tegraUpgrade linux-raspi-5.4Upgrade linux-aws-5.15Upgrade linux-raspiUpgrade linux-gkeUpgrade linux-azureUpgrade linux-ibm-5.15Upgrade linux-lowlatencyUpgrade linux-lowlatency-hwe-5.15Upgrade linux-fipsUpgrade linux-awsUpgrade linux-intel-iotgUpgrade linux-nvidia-tegra-5.15Upgrade linux-intel-iotg-5.15Upgrade linux-gcp-5.15Upgrade linux-aws-5.4Upgrade linux-bluefield | Jan 6, 2026 | Dec 24, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Dec 24, 2025 |
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