Memory Leak Vulnerability in fsl_ifc Package
Summary
UVI-2021-1001324: memory: fsl_ifc: fix leak of private memory on probe failure. Affects Kernel versions >= a20cbdeffce247a2b6fb83cd8d22433994068565, < 443f6ca6fd186b4fa4e6f377b6e19a91feb1a0d5. 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 the Freescale Integrated Flash Controller (IFC) driver. The IFC driver is used for accessing flash memory devices on Freescale/NXP PowerPC-based systems. The fsl_ifc package is an integral part of the Linux Kernel and is widely used in various embedded systems and devices.
Vulnerability Detail
The identified vulnerability in the fsl_ifc package is related to a memory leak issue that occurs when the driver fails to probe successfully. The driver does not release private memory allocated during the probe process, leading to a gradual depletion of available memory resources. This vulnerability can potentially result in system instability, performance degradation, and denial-of-service conditions. The vulnerability was introduced in version v3.3 of the Linux Kernel and has been fixed in version v5.4.134.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, users can avoid the memory leak issue by not utilizing the fsl_ifc driver or by disabling the driver if it is not essential for their system's operation. However, this workaround may result in the loss of functionality provided by the fsl_ifc driver.
Conclusion
The memory leak vulnerability in the fsl_ifc package can have significant implications for system stability and performance. It is crucial to update the Linux Kernel to version v5.4.134 or later to mitigate this vulnerability. Users can also consider implementing the provided workaround until the update is applied. For further assistance and support in vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability can lead to memory depletion, system instability, performance degradation, and potential denial-of-service conditions.
The vulnerability was introduced in version v3.3 of the Linux Kernel and affects all subsequent versions until v5.4.134.
Yes, the vulnerability has been fixed in version v5.4.134 of the Linux Kernel.
Users can update the Linux Kernel by obtaining the latest version from the official Linux Kernel repository and following the installation instructions provided.
Yes, users can temporarily avoid the memory leak issue by not using the fsl_ifc driver or by disabling it if not necessary for their system.
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