Vulnerability in i2c: acpi: fix resource leak in reconfiguration device addition
Summary
GSD-2021-1001622: i2c: acpi: fix resource leak in reconfiguration device addition. Affects Kernel versions >= 525e6fabeae286848592363bda13bc34b59bb5ac, < f86de018fd7a24ee07372d55ffa7824f0c674a95. No fix is published. How to fix ↓
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Background
The i2c package is a component of the Linux Kernel ecosystem. It provides support for the Inter-Integrated Circuit (I2C) protocol, which allows communication between integrated circuits on a computer motherboard. The ACPI (Advanced Configuration and Power Interface) subsystem in the Linux Kernel is responsible for managing hardware resources and power management. This vulnerability specifically affects the ACPI implementation for i2c, leading to a resource leak during reconfiguration device addition.
Vulnerability Detail
The vulnerability in the i2c: acpi package arises from a resource leak in the process of adding reconfiguration devices. When a reconfiguration device is added, resources are not properly released, resulting in a leak. This can lead to resource exhaustion and potential denial-of-service attacks. The vulnerability was introduced in version v4.8 of the Linux Kernel and has been fixed in version v5.10.73. The impact and attack plausibility of this vulnerability have not been proven.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no specific workaround mentioned for this vulnerability.
Conclusion
The i2c: acpi package in the Linux Kernel is vulnerable to a resource leak during reconfiguration device addition. This vulnerability can lead to resource exhaustion and potential denial-of-service attacks. It is recommended to update the Linux Kernel to version v5.10.73 or later to fix this issue. For further support on vulnerability remediation, you can reach out to DevNack.com.
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FAQ
The i2c package is a component of the Linux Kernel ecosystem that provides support for the Inter-Integrated Circuit (I2C) protocol.
ACPI stands for Advanced Configuration and Power Interface. It is a subsystem in the Linux Kernel responsible for managing hardware resources and power management.
A resource leak occurs when resources, such as memory or file handles, are not properly released after use. This can lead to resource exhaustion and potential denial-of-service attacks.
Reconfiguration device addition refers to the process of adding new devices to a system or reconfiguring existing devices. In the context of this vulnerability, it specifically relates to the addition of devices in the i2c: acpi package.
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