Vulnerability in ASoC: mxs-saif
Summary
GSD-2022-1003610: ASoC: mxs-saif: Fix refcount leak in mxs_saif_probe. Affects Kernel versions >= 08641c7c74dddfcd726512edfaa3b4cbe42e523e, < 2a0da7641e1f17a744ac7b3f76471388c97b63dc. No fix is published. How to fix ↓
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Background
The ASoC (Audio System on Chip) framework in the Linux Kernel provides support for audio drivers on various embedded systems. One of the supported drivers is mxs-saif, which is responsible for handling audio input and output on MXS (i.MX23/i.MX28) based platforms. However, a vulnerability has been discovered in the mxs-saif driver that can lead to a reference count leak.
Vulnerability Detail
The vulnerability in mxs-saif driver, identified as GSD-2022-1003610, occurs during the probe process. When the driver is initialized, a reference count is incremented. However, under certain conditions, this reference count is not properly decremented, leading to a refcount leak. Although the impact and attack plausibility of this vulnerability have not been proven, it is important to address it to maintain the integrity and security of the system.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no specific workaround mentioned for this vulnerability.
Conclusion
The vulnerability in the mxs-saif driver can result in a refcount leak, potentially leading to resource management issues or memory leaks. To mitigate this vulnerability, it is recommended to update the Linux Kernel to version v5.10.121 or later. For further support on vulnerability remediation, you can reach out to DevNack.com.
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FAQ
ASoC stands for Audio System on Chip. It is a framework in the Linux Kernel that provides support for audio drivers on embedded systems.
mxs-saif is an audio driver supported by the ASoC framework. It is responsible for handling audio input and output on MXS (i.MX23/i.MX28) based platforms.
A refcount leak occurs when the reference count of a resource is not properly decremented, leading to a memory leak or other resource management issues.
The impact of this vulnerability is not proven, but it could potentially lead to resource management issues or memory leaks in the mxs-saif driver.
You can use Vulert's 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 alert you in real-time if your application is affected.
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