Resource Leak in spi-fsl-dspi Package
Summary
GSD-2021-1000630: spi: spi-fsl-dspi: Fix a resource leak in an error handling path. Affects Kernel versions >= 90ba37033cb94207e97c4ced9be575770438213b, < 15d1cc4b4b585f9a2ce72c52cca004d5d735bdf1. No fix is published. How to fix ↓
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Background
The spi-fsl-dspi package is a component of the Linux Kernel, which is responsible for managing the Serial Peripheral Interface (SPI) bus on Freescale (now NXP) processors. SPI is a synchronous serial communication interface commonly used for connecting microcontrollers, sensors, and other peripheral devices. The spi-fsl-dspi package provides the necessary drivers and functionality for SPI communication on Freescale processors.
Vulnerability Detail
The vulnerability identified in the spi-fsl-dspi package is a resource leak that occurs in an error handling path. When certain error conditions are encountered during SPI communication, the package fails to properly release allocated resources, leading to a resource leak. This vulnerability can be exploited by an attacker to exhaust system resources, potentially causing a denial-of-service (DoS) condition. 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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Workaround
No specific workaround has been provided for this vulnerability.
Conclusion
The spi-fsl-dspi package in the Linux Kernel is affected by a resource leak vulnerability. This vulnerability can potentially lead to a denial-of-service (DoS) condition. It is recommended to update the Linux Kernel to version v5.4.124 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
spi-fsl-dspi is a package in the Linux Kernel that provides drivers and functionality for managing the Serial Peripheral Interface (SPI) bus on Freescale processors.
A resource leak refers to a situation where a program fails to properly release allocated resources, such as memory or file handles, leading to resource exhaustion and potential system instability.
The resource leak vulnerability in spi-fsl-dspi could be exploited by an attacker to exhaust system resources, potentially causing a denial-of-service (DoS) condition.
No, the impact and attack plausibility of this vulnerability have not been proven yet.
The fix for this vulnerability is included in Linux Kernel version v5.4.124 or later. Users can obtain the updated kernel from the official Linux Kernel repository.
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