Missing Free in wm8350-power Charger IRQ

Kernel Updated 02 Oct 2025

Summary

24/04/2022

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2022-1001532: power: supply: wm8350-power: Add missing free in free_charger_irq. Affects Kernel versions >= 14431aa0c5a443d13d24e6f865a8838f97dab973, < ae07ec8110ba83295c88bff7e85835cc2f6cc4ea. No fix is published. How to fix ↓

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Background

The wm8350-power package is responsible for managing power supply in devices that utilize the WM8350 power management IC. It provides functions and drivers for controlling various power-related features, including the charger IRQ. The charger IRQ is responsible for handling interrupts related to the charging functionality of the device.

Vulnerability Detail

The vulnerability in the wm8350-power package involves a missing 'free' operation in the 'free_charger_irq' function. This missing operation can lead to a resource leak, potentially causing memory corruption or exhaustion. An attacker may be able to exploit this vulnerability to execute arbitrary code or cause a denial-of-service condition.

How To Fix

No fixed version is published for this vulnerability.

To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.16.19 or later. This update includes the necessary fix for the missing 'free' operation in the 'free_charger_irq' function. Users should ensure they are running a version of the Linux Kernel that includes this fix.

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Workaround

There is no specific workaround mentioned for this vulnerability.

Conclusion

In conclusion, the wm8350-power package in the Linux Kernel is vulnerable to a missing 'free' operation in the 'free_charger_irq' function. This vulnerability can potentially lead to memory corruption or exhaustion, allowing an attacker to execute arbitrary code or cause a denial-of-service condition. It is recommended to update the Linux Kernel to version v5.16.19 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

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