Vulnerability in Kernel package: usb: typec: tipd: Remove WARN_ON in tps6598x_block_read
Summary
GSD-2021-1002253: usb: typec: tipd: Remove WARN_ON in tps6598x_block_read. Affects Kernel versions < 2a897d384513ba7f7ef05611338b9a6ec6aeac00. No fix is published. How to fix ↓
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Background
The Kernel package is a critical component of the Linux operating system, responsible for managing the system's core functionality. It provides an interface between the hardware and software layers, allowing applications to communicate with the underlying hardware. The usb: typec: tipd module within the Kernel package is specifically designed to handle USB Type-C functionality. It includes support for the tps6598x_block_read function, which is responsible for reading data from the TPS6598x USB Type-C controller. However, a vulnerability has been identified in this module that involves the inappropriate use of the WARN_ON macro in the tps6598x_block_read function.
Vulnerability Detail
The vulnerability in the usb: typec: tipd module arises from the presence of a WARN_ON statement in the tps6598x_block_read function. The WARN_ON macro is typically used to trigger a warning message if a specific condition is met during runtime. However, in this case, the WARN_ON statement is used inappropriately, potentially leading to unexpected behavior or system crashes. An attacker could potentially exploit this vulnerability by triggering the condition that triggers the WARN_ON statement, causing the system to enter an unstable state. The impact of this vulnerability could range from denial of service to potential privilege escalation.
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. However, users can mitigate the risk by ensuring they have the latest version of the Linux Kernel package installed. Additionally, following best practices for system security, such as restricting access to privileged operations and regularly updating software, can help minimize the potential impact of this vulnerability.
Conclusion
In conclusion, a vulnerability has been identified in the usb: typec: tipd module of the Kernel package, involving the inappropriate use of the WARN_ON macro in the tps6598x_block_read function. This vulnerability can potentially lead to system instability and various security risks. It is crucial to update the Linux Kernel package to the latest version to mitigate this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
The Kernel package is a critical component of the Linux operating system, responsible for managing the system's core functionality.
The usb: typec: tipd module is a part of the Kernel package and is specifically designed to handle USB Type-C functionality.
The tps6598x_block_read function is a function within the usb: typec: tipd module that is responsible for reading data from the TPS6598x USB Type-C controller.
The impact of this vulnerability could range from denial of service to potential privilege escalation.
To fix this vulnerability, it is recommended to update the Linux Kernel package to version v4.19.218 or later.
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