Vulnerability in spi: fsi package - Implement a timeout for polling status
Summary
GSD-2022-1001476: spi: fsi: Implement a timeout for polling status. Affects Kernel versions < d4982ceb137e6ecd2b466a6de639790a148cf19a. No fix is published. How to fix ↓
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Background
The spi: fsi package is a component of the Linux Kernel, which is responsible for handling communication between the system's Serial Peripheral Interface (SPI) and the Flexible Service Interface (FSI). SPI is a synchronous serial communication interface commonly used for connecting microcontrollers, sensors, and other peripheral devices. FSI, on the other hand, is a high-speed interface used for communication between processors and various hardware components. The spi: fsi package provides the necessary drivers and functionality for managing the SPI and FSI interfaces in the Linux Kernel.
Vulnerability Detail
The vulnerability in the spi: fsi package involves the lack of a timeout mechanism when polling for status. This means that if the status polling process hangs or encounters an unexpected delay, it can lead to a denial-of-service (DoS) condition or potential resource exhaustion. An attacker could exploit this vulnerability by causing the status polling to stall indefinitely, resulting in system instability or unresponsiveness. The impact and attack plausibility of this vulnerability have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
The vulnerability in the spi: fsi package has been addressed by implementing a timeout mechanism for polling status in the Linux Kernel. It is recommended to update to Linux Kernel version v5.16.19 or any subsequent version that includes the fix to mitigate the potential risks associated with this vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
The spi: fsi package is a component of the Linux Kernel that handles communication between the system's Serial Peripheral Interface (SPI) and the Flexible Service Interface (FSI). It provides drivers and functionality for managing these interfaces.
The impact of this vulnerability is not yet proven, but it could potentially lead to a denial-of-service (DoS) condition or resource exhaustion if the status polling process hangs indefinitely.
An attacker could exploit this vulnerability by causing the status polling process to stall indefinitely, resulting in system instability or unresponsiveness.
Yes, this vulnerability has been fixed in Linux Kernel version v5.16.19 by implementing a timeout mechanism for polling status in the spi: fsi package.
The fix for this vulnerability is available in Linux Kernel version v5.16.19 or any subsequent version that includes the fix. You can obtain the fixed version from the official Linux Kernel repository.
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