Memory Leak in imu_fmt in Kernel
Summary
UVI-2021-1000059: media: staging/intel-ipu3: Fix memory leak in imu_fmt. Affects Kernel versions >= 6d5f26f2e045f2377b524516194657c00efbbce8, < 74ba0adb5e983503b18a96121d965cad34ac7ce3. No fix is published. How to fix ↓
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Background
The Kernel is a crucial component of the Linux operating system that manages system resources and facilitates communication between hardware and software. It provides essential functions for device drivers, process management, and memory management. The imu_fmt module in the Kernel's media staging/intel-ipu3 subsystem is responsible for handling image format conversions for Intel Image Processing Units (IPU).
Vulnerability Detail
The imu_fmt module in the media staging/intel-ipu3 subsystem of the Kernel suffers from a memory leak vulnerability. This vulnerability, identified as UVI-2021-1000059, allows an attacker to cause a memory leak by exploiting a flaw in the imu_fmt code. The memory leak occurs when the module fails to release allocated memory properly, leading to a gradual depletion of available memory resources. Although the impact and attack plausibility have not been proven, this vulnerability could potentially result in system instability, performance degradation, or denial of service.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a workaround, users can consider disabling or unloading the media staging/intel-ipu3 subsystem if it is not essential for their system's functionality. However, this may impact the availability of certain features or functionalities that rely on the subsystem.
Conclusion
The memory leak vulnerability in imu_fmt within the media staging/intel-ipu3 subsystem of the Kernel can potentially lead to system instability, performance degradation, or denial of service. It is crucial to update the Linux Kernel to version v5.12.3 or later to address this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability could include system instability, performance degradation, or denial of service due to memory depletion.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file to the playground, and it will provide real-time alerts for open-source vulnerabilities, including this one.
At the time of this report, there are no known exploits for this vulnerability. However, it is still recommended to apply the necessary updates to mitigate the risk.
As a temporary fix, you can consider disabling or unloading the media staging/intel-ipu3 subsystem if it is not essential for your system's functionality. However, updating the Kernel to the latest version is the recommended long-term solution.
You can find more information about this vulnerability, including the commit details and affected versions, in the vulnerability database entry at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1000xxx/UVI-2021-1000059.json.
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