Refcount Leak in pfuze_parse_regulators_dt in Kernel
Summary
GSD-2022-1004079: regulator: pfuze100: Fix refcount leak in pfuze_parse_regulators_dt. Affects Kernel versions >= 3784b6d64dc52ed3fbebad61a85ab9b7a687a167, < b74c0dd9179d21b7260260e075d597b23970100c. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The Kernel is a fundamental component of the Linux operating system, responsible for managing system resources and facilitating communication between hardware and software. The pfuze100 regulator driver is used to control power regulators on certain Freescale i.MX processors. These regulators are crucial for managing power consumption and ensuring stable operation of the system. However, a vulnerability has been discovered in the pfuze_parse_regulators_dt function, which can lead to a refcount leak.
Vulnerability Detail
The vulnerability in pfuze_parse_regulators_dt arises from a refcount leak, which occurs when the reference count of an object is not properly managed. This can result in memory leaks and potential resource exhaustion. An attacker could potentially exploit this vulnerability to cause a denial-of-service condition or execute arbitrary code with elevated privileges. The vulnerability was introduced in version v3.12 of the Linux Kernel and has been fixed in version v4.9.318.
How To Fix
No fixed version is published for this vulnerability.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
No specific workaround has been provided for this vulnerability.
Conclusion
The refcount leak vulnerability in pfuze_parse_regulators_dt in the Kernel can have serious consequences, including denial-of-service and arbitrary code execution. It is crucial to update the Linux Kernel to version v4.9.318 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
The vulnerability can potentially lead to a denial-of-service condition or allow an attacker to execute arbitrary code with elevated privileges.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file and Vulert will analyze it for any open-source vulnerabilities, including this one.
Yes, a patch has been released in version v4.9.318 of the Linux Kernel. It is recommended to update to this version or a later one to fix the vulnerability.
There are no known exploits for this vulnerability at the moment. However, it is important to apply the patch as soon as possible to mitigate the risk.
Yes, this vulnerability can be exploited remotely if the affected system is exposed to the internet and the necessary conditions for exploitation are met.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
