Refcount Leak in imx_sgtl5000_probe in Kernel
Summary
GSD-2022-1003113: ASoC: fsl: Fix refcount leak in imx_sgtl5000_probe. Affects Kernel versions >= 81e8e4926167ab32593bbb915b45a42024ca1020, < 4bfbbfdb3d761323127a67d7d765abe2f77d7b21. No fix is published. How to fix ↓
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Background
The Kernel is a fundamental component of the Linux operating system that acts as a bridge between the hardware and software layers. It provides essential services and functionalities to enable the proper functioning of the system. The imx_sgtl5000_probe is a driver in the Kernel responsible for handling the initialization and configuration of the SGTL5000 audio codec on Freescale i.MX platforms.
Vulnerability Detail
The imx_sgtl5000_probe function in the Kernel has a refcount leak vulnerability. This vulnerability can lead to a resource leak, causing memory corruption and potential system instability. An attacker with local access to the system could exploit this vulnerability to escalate privileges or cause a denial-of-service condition. The vulnerability was introduced in version v3.5 of the Kernel and has been fixed in version v5.17.14.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a workaround, users can apply a patch provided by the Kernel maintainers. The patch can be found in the commit 4bfbbfdb3d761323127a67d7d765abe2f77d7b21. Applying the patch involves modifying the affected code in the imx_sgtl5000_probe function to fix the refcount leak issue.
Conclusion
The refcount leak vulnerability in the imx_sgtl5000_probe function of the Kernel can lead to memory corruption and potential system instability. It is crucial to update the Kernel to version v5.17.14 or later to mitigate this vulnerability. Applying the provided patch can serve as a temporary workaround. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
This vulnerability can lead to memory corruption and potential system instability. An attacker with local access to the system could exploit this vulnerability to escalate privileges or cause a denial-of-service condition.
You can use the Vulert Playground (https://vulert.com/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 the dependencies and alert you if any vulnerabilities are found.
At the time of this report, there is no known public exploit for this vulnerability. However, it is important to apply the necessary fixes to mitigate the risk.
If updating the Kernel is not immediately feasible, applying the provided patch can serve as a temporary mitigation. However, it is strongly recommended to update to the latest version as soon as possible.
You can find more information about this vulnerability in the vulnerability database maintained by the Cloud Security Alliance. The specific vulnerability ID is GSD-2022-1003113.
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