CVE-2022-50711
Unknown Unknown - Not Provided

Memory Leak in Linux mtk_eth_soc Ethernet Driver Fixed

Publication date: 2025-12-24

Last updated on: 2025-12-24

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mtk_eth_soc: fix possible memory leak in mtk_probe() If mtk_wed_add_hw() has been called, mtk_wed_exit() needs be called in error path or removing module to free the memory allocated in mtk_wed_add_hw().

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Meta Information

Published
2025-12-24
Last Modified
2025-12-24
Generated
2026-07-06
AI Q&A
2025-12-24
EPSS Evaluated
2026-07-05
NVD
CVE-2022-50711
EUVD
EUVD-2025-205180

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
mtk mtk_eth_soc *

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability is a possible memory leak in the Linux kernel's MediaTek Ethernet driver (mtk_eth_soc). Specifically, if the function mtk_wed_add_hw() is called, the corresponding cleanup function mtk_wed_exit() must also be called in error paths or when removing the module to properly free allocated memory. Failure to do so can lead to memory not being released.

Impact Analysis

The impact of this vulnerability is a potential memory leak in the system running the affected Linux kernel driver. Over time, this could lead to increased memory usage, reduced system performance, or even system instability if memory is exhausted.

Mitigation Strategies

To mitigate this vulnerability, ensure that the Linux kernel is updated to a version where the fix for the memory leak in mtk_probe() is applied. Specifically, verify that mtk_wed_exit() is called in the error path or when removing the module to free allocated memory. Applying the latest kernel patches or updates from your Linux distribution that address this issue is recommended.

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