Memory Leak Vulnerability in fsl_ifc Package
Summary
GSD-2021-1001443: memory: fsl_ifc: fix leak of private memory on probe failure. Affects Kernel versions >= a20cbdeffce247a2b6fb83cd8d22433994068565, < 3b45b8a7d549bd92ec94b5357c2c2c1a7ed107e4. No fix is published. How to fix ↓
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Background
The fsl_ifc package is a memory management component in the Linux Kernel. It is responsible for handling memory allocation and deallocation for Freescale Integrated Flash Controller (IFC) devices. The package provides an interface for accessing and managing the private memory of these devices. However, a vulnerability has been discovered in the package that can lead to a memory leak when the probe process fails.
Vulnerability Detail
The vulnerability in the fsl_ifc package occurs when the probe process fails. In such cases, private memory allocated by the package is not properly deallocated, resulting in a memory leak. This can lead to a gradual depletion of available memory resources, potentially causing system instability or denial of service. The vulnerability was introduced in version v3.3 of the Linux Kernel and has been fixed in version v4.9.276.
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. However, users can mitigate the risk by ensuring they are using the latest version of the Linux Kernel that includes the fix.
Conclusion
The memory leak vulnerability in the fsl_ifc package can result in a gradual depletion of available memory resources, potentially causing system instability or denial of service. It is crucial to update the Linux Kernel to version v4.9.276 or later to fix this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability can lead to a memory leak, gradually depleting available memory resources and potentially causing system instability or denial of service.
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 and the playground will analyze it for any open-source vulnerabilities, including this memory leak vulnerability.
At the time of this report, there is no known exploit for this vulnerability. However, it is important to apply the necessary fix to prevent any potential exploitation in the future.
No, manual deallocation of the private memory is not recommended as it may lead to other issues or instability in the system. It is best to update the Linux Kernel to the fixed version.
At the time of this report, this memory leak vulnerability is the only known vulnerability in the fsl_ifc package. However, it is always recommended to keep the package and the entire system up to date to mitigate any potential future vulnerabilities.
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