Vulnerability in Kernel package: Incorrect assignment of driver_data in arm_ffa firmware
Summary
GSD-2022-1003335: firmware: arm_ffa: Remove incorrect assignment of driver_data. Affects Kernel versions >= d0c0bce831223b08e5bade2cefc93c3ddb790796, < b53f6ba21b9446779e1acbe62ffff1b04f860e74. No fix is published. How to fix ↓
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Background
The Kernel package is a fundamental component of the Linux operating system, responsible for managing the system's resources and facilitating communication between hardware and software. It includes various subsystems, one of which is the arm_ffa firmware. The arm_ffa firmware is designed to handle Fast Forwarding Agent (FFA) operations on ARM-based systems. It provides functionality for managing memory regions and facilitating data transfers between different components of the system. However, a vulnerability has been identified in the arm_ffa firmware, which involves an incorrect assignment of driver_data.
Vulnerability Detail
The vulnerability in the arm_ffa firmware arises from an incorrect assignment of driver_data. This incorrect assignment can lead to unexpected behavior and potential security risks. While the exact impact and attack vectors have not been proven, it is essential to address this vulnerability to ensure the integrity and security of the system. The vulnerability was introduced in version v5.14 of the Linux Kernel and has been fixed in version v5.15.46 by commit b53f6ba21b9446779e1acbe62ffff1b04f860e74.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
In conclusion, the Kernel package's arm_ffa firmware is vulnerable to an incorrect assignment of driver_data. This vulnerability can introduce unexpected behavior and potential security risks. It is recommended to update the Kernel package and arm_ffa firmware to the latest versions to mitigate the risk. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
The exact impact of this vulnerability is yet to be determined. However, it has the potential to introduce unexpected behavior and security risks in systems utilizing the arm_ffa firmware.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file to the playground, and it will analyze and alert you in real-time if the vulnerability is present.
No specific workaround has been provided for this vulnerability. It is recommended to update the Kernel package and arm_ffa firmware to the latest versions to mitigate the risk.
At the time of this report, no known exploits have been identified for this vulnerability. However, it is crucial to address it promptly to minimize the potential risk.
You can refer to the commit b53f6ba21b9446779e1acbe62ffff1b04f860e74 in the Linux Kernel repository for more information about the fix for this vulnerability.
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