ARM: 9210/1: Mark the FDT_FIXED sections as shareable in Kernel
Summary
GSD-2022-1004579: ARM: 9210/1: Mark the FDT_FIXED sections as shareable. Affects Kernel versions >= 1eb77569029da382924fda0f23ecaea8e10acac6, < d6cab2e06c33533d45586cb6161cdc9a754b29a1. No fix is published. How to fix ↓
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Background
The Kernel is a critical component of the Linux operating system that acts as a bridge between the hardware and software layers. It provides essential functionalities and services to enable the proper functioning of the system. This vulnerability affects the Kernel and specifically targets the FDT_FIXED sections. These sections are responsible for storing the device tree data, which describes the hardware configuration of the system. By not properly marking these sections as shareable, potential security risks can arise.
Vulnerability Detail
The vulnerability arises from the failure to mark the FDT_FIXED sections as shareable in the ARM architecture. This oversight can lead to security vulnerabilities, although the exact impact and attack plausibility have not been proven. Attackers may exploit this vulnerability to gain unauthorized access, execute arbitrary code, or cause system instability. It is crucial to address this vulnerability promptly to mitigate potential risks.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
The ARM: 9210/1 vulnerability in the Kernel affects the FDT_FIXED sections, potentially leading to unauthorized access, code execution, or system instability. To mitigate these risks, it is crucial to update the Linux Kernel to version v5.10.132 or later. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
The Kernel is a critical component of the Linux operating system that acts as a bridge between the hardware and software layers. It provides essential functionalities and services to enable the proper functioning of the system.
FDT_FIXED sections in the Kernel store the device tree data, which describes the hardware configuration of the system.
The potential risks of this vulnerability include unauthorized access, execution of arbitrary code, and system instability.
To fix this vulnerability, update the Linux Kernel to version v5.10.132 or later, which includes the necessary fix.
No workaround has been provided for this vulnerability. It is recommended to apply the official fix by updating the Kernel.
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