Vulnerability in dmaengine: mediatek package
Summary
GSD-2021-1001124: dmaengine: mediatek: free the proper desc in desc_free handler. Affects Kernel versions < 63fa5b2d4b55ebf4d12e7b4d536ae3e63117cd1a. No fix is published. How to fix ↓
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Background
The dmaengine: mediatek package is a component of the Linux Kernel ecosystem. It provides support for MediaTek DMA controllers, which are responsible for managing data transfers between different devices in a system. These controllers are commonly found in MediaTek SoCs (System-on-Chips) used in various devices such as smartphones, tablets, and IoT devices. The dmaengine: mediatek package plays a crucial role in ensuring efficient and reliable data transfers within these devices.
Vulnerability Detail
The vulnerability identified in the dmaengine: mediatek package involves improper handling of descriptors in the desc_free handler. This flaw could potentially lead to memory leaks or use-after-free vulnerabilities. An attacker could exploit this vulnerability to execute arbitrary code or cause a denial-of-service condition. The impact and attack plausibility of this vulnerability have not been proven yet, but it is essential to address it to ensure the security and stability of systems utilizing the dmaengine: mediatek package.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No workaround has been provided for this vulnerability.
Conclusion
The vulnerability in the dmaengine: mediatek package can potentially lead to memory leaks or use-after-free vulnerabilities. It is crucial to update the Linux Kernel to the fixed version to ensure the proper handling of descriptors and mitigate the associated risks. For further assistance or information on vulnerability remediation, please contact DevNack.com.
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FAQ
The dmaengine: mediatek package is a component of the Linux Kernel ecosystem that provides support for MediaTek DMA controllers, responsible for managing data transfers between devices in a system.
The impact of this vulnerability is not yet proven, but it could potentially lead to memory leaks or use-after-free vulnerabilities, allowing an attacker to execute arbitrary code or cause a denial-of-service condition.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.10.47 or later, which includes the necessary fix for proper descriptor handling in the dmaengine: mediatek package.
No workaround has been provided for this vulnerability. Updating to the fixed version of the Linux Kernel is the recommended solution.
For more details about this vulnerability, you can refer to the source link provided in the Open Source Vulnerability format or contact info@devnack.com for further support.
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