Global Out-of-Bounds Issue in pinctrl: mediatek
Summary
GSD-2021-1002799: pinctrl: mediatek: fix global-out-of-bounds issue. Affects Kernel versions < f373298e1bf0c6ea097c0bcc558dc43ad53e421f. No fix is published. How to fix ↓
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Background
The pinctrl: mediatek package is a component of the Linux Kernel that provides support for pin control on MediaTek SoCs. It allows for the configuration and management of hardware pins, enabling the interaction between software and hardware components. This package is widely used in devices powered by MediaTek processors, such as smartphones, tablets, and IoT devices. However, a global out-of-bounds issue has been identified in this package, potentially leading to security vulnerabilities.
Vulnerability Detail
The global out-of-bounds issue in pinctrl: mediatek arises from a flaw in the code that handles pin control operations. This vulnerability could be exploited by an attacker to access or modify memory locations outside the intended boundaries, leading to various security risks. The impact of this vulnerability depends on the specific use case and the attacker's capabilities. It could potentially result in privilege escalation, information disclosure, or even remote code execution. The vulnerability has been addressed in Linux Kernel version v5.4.169 by commit f373298e1bf0c6ea097c0bcc558dc43ad53e421f.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As this vulnerability has been fixed in the latest version of the Linux Kernel, there is no specific workaround available. It is crucial to update to the patched version to ensure the security of the system.
Conclusion
The global out-of-bounds issue in pinctrl: mediatek poses a potential security risk to systems utilizing MediaTek SoCs. It is crucial to update the Linux Kernel to version v5.4.169 or later to mitigate this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
Pinctrl: mediatek is a component of the Linux Kernel that provides pin control support for MediaTek SoCs. It allows for the configuration and management of hardware pins.
A global out-of-bounds issue refers to a vulnerability where a program accesses or modifies memory locations outside the intended boundaries. This can lead to various security risks, depending on the specific context and attacker's capabilities.
The potential risks associated with this vulnerability include privilege escalation, information disclosure, and remote code execution. The impact depends on the attacker's capabilities and the specific use case.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.4.169 or later. This can be done by fetching the latest kernel source code and applying the necessary patches.
No, there is no specific workaround available for this vulnerability. It is essential to update to the patched version of the Linux Kernel.
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