USB Type-C TIPD Vulnerability in Linux Kernel
Summary
UVI-2021-1002299: usb: typec: tipd: Remove WARN_ON in tps6598x_block_read. Affects Kernel versions < eff8b7628410cb2eb562ca0d5d1f12e27063733e. No fix is published. How to fix ↓
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Background
The Linux Kernel is a widely used open-source operating system kernel that serves as the foundation for various Linux distributions. It provides essential functionality for hardware abstraction, device drivers, and system resource management. The USB Type-C TIPD (Type-C Interface Power Delivery) subsystem within the Linux Kernel handles power delivery and communication between USB Type-C devices. This vulnerability, identified as UVI-2021-1002299, affects the TIPD module in the Linux Kernel.
Vulnerability Detail
The vulnerability in the USB Type-C TIPD module involves the presence of a WARN_ON statement in the tps6598x_block_read function. This statement triggers a warning message when certain conditions are met, potentially indicating a security issue. While the impact and exploitability of this vulnerability have not been proven, its existence raises concerns about potential security risks. The vulnerability has been addressed in the Linux Kernel version v5.10.82 through commit eff8b7628410cb2eb562ca0d5d1f12e27063733e.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
The USB Type-C TIPD vulnerability in the Linux Kernel poses potential security risks, although the exact impact and exploitability are yet to be determined. It is crucial to update the Linux Kernel to version v5.10.82 or later to mitigate this vulnerability. For further assistance or support in addressing this vulnerability, please contact DevNack.com.
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FAQ
The Linux Kernel is an open-source operating system kernel that forms the core of various Linux distributions. It provides essential functionality for hardware abstraction, device drivers, and system resource management.
The USB Type-C TIPD subsystem in the Linux Kernel handles power delivery and communication between USB Type-C devices. It ensures proper negotiation and management of power delivery capabilities.
The impact of this vulnerability is currently unknown, as no specific exploit or attack scenario has been identified. However, the presence of the vulnerability raises concerns about potential security risks and the need for timely patching.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.10.82 or later. This can be done by obtaining the updated kernel source code and compiling it for the target system.
More information about this vulnerability can be found in the official Linux Kernel repository (https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/) and the associated vulnerability database (https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1002xxx/UVI-2021-1002299.json).
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