Resource Leak in mmc: uniphier-sd Package
Summary
GSD-2021-1000079: mmc: uniphier-sd: Fix a resource leak in the remove function. Affects Kernel versions >= 3fd784f745dd1747863775a99ec749619ee6759c, < d6e7fda496978f2763413b5523557b38dc2bf6c2. No fix is published. How to fix ↓
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Background
The mmc: uniphier-sd package is a component of the Linux Kernel. It provides support for the SD/MMC host controller found in UniPhier SoCs. This package allows communication between the host system and SD/MMC cards, enabling data transfer and storage. However, a vulnerability has been discovered in the remove function of this package, leading to a resource leak.
Vulnerability Detail
The vulnerability in the remove function of mmc: uniphier-sd package can result in a resource leak. When this function is called, certain resources are not properly released, leading to a potential memory leak. This can result in decreased system performance and stability over time. An attacker may be able to exploit this vulnerability to exhaust system resources, causing denial of service or other malicious activities. The vulnerability was introduced in version v4.20 of the Linux Kernel and has been fixed in version v5.12.3.
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. The recommended solution is to update the Linux Kernel to the fixed version.
Conclusion
The resource leak vulnerability in the remove function of mmc: uniphier-sd package can have adverse effects on system performance and stability. It is crucial to update the Linux Kernel to version v5.12.3 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The mmc: uniphier-sd package is a component of the Linux Kernel that provides support for the SD/MMC host controller found in UniPhier SoCs. It enables communication between the host system and SD/MMC cards for data transfer and storage.
The vulnerability in the remove function of mmc: uniphier-sd package can result in a resource leak, leading to decreased system performance and stability. An attacker may be able to exploit this vulnerability for denial of service or other malicious activities.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.12.3 or later, which includes the necessary patch to address the resource leak.
No specific workaround is mentioned for this vulnerability. Updating the Linux Kernel to the fixed version is the recommended solution.
This vulnerability was introduced in version v4.20 of the Linux Kernel and has been fixed in version v5.12.3.
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