Refcount Leak in pfuze_parse_regulators_dt in Kernel
Summary
GSD-2022-1003908: regulator: pfuze100: Fix refcount leak in pfuze_parse_regulators_dt. Affects Kernel versions >= 3784b6d64dc52ed3fbebad61a85ab9b7a687a167, < 984cfef0675ed7398814e14af2c5323911723e1c. No fix is published. How to fix ↓
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Background
The Kernel is a crucial component of the Linux operating system, responsible for managing the system's resources and facilitating communication between hardware and software. It provides various functionalities, including device drivers, process management, memory management, and file system access. The pfuze_parse_regulators_dt function in the regulator subsystem of the Kernel is responsible for parsing the device tree and initializing regulators for the PFUZE100 power management IC. Regulators are essential for controlling voltage levels and power consumption in electronic devices.
Vulnerability Detail
The vulnerability identified as GSD-2022-1003908 in the Kernel's regulator subsystem allows for a refcount leak in the pfuze_parse_regulators_dt function. This leak occurs when parsing the device tree, leading to an incorrect reference count on regulators. An attacker could potentially exploit this vulnerability to cause a denial-of-service condition or escalate privileges. The impact and attack plausibility of this vulnerability have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No specific workaround has been mentioned for this vulnerability.
Conclusion
The refcount leak vulnerability in the pfuze_parse_regulators_dt function of the Kernel's regulator subsystem has been identified and fixed in the latest version of the Kernel. Users are advised to update their Kernel to ensure the security and stability of their systems. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The Kernel is a critical component of the Linux operating system, responsible for managing system resources and facilitating communication between hardware and software.
The regulator subsystem in the Kernel is responsible for managing voltage levels and power consumption in electronic devices.
The PFUZE100 is a power management integrated circuit commonly used in electronic devices to regulate voltage levels and power consumption.
A refcount leak occurs when the reference count of an object is not properly managed, leading to memory leaks or other resource-related issues.
To fix this vulnerability, you need to update your Kernel to the latest version available. Download the updated Kernel source code from the official Git repository and compile it following the provided instructions.
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