Out of Bounds Read Vulnerability in mtk_eth_soc
Summary
GSD-2022-1003534: net: ethernet: mtk_eth_soc: out of bounds read in mtk_hwlro_get_fdir_entry(). Affects Kernel versions >= 7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd, < 71ae30662ec610b92644d13f79c78f76f17873b3. No fix is published. How to fix ↓
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Background
The mtk_eth_soc package is a component of the Linux Kernel that provides support for MediaTek Ethernet controllers. It enables network communication through these controllers, allowing devices to connect to local area networks (LANs) and wide area networks (WANs). The mtk_eth_soc package is widely used in various devices, including routers, switches, and network interface cards (NICs).
Vulnerability Detail
The vulnerability identified in the mtk_eth_soc package is an out of bounds read issue in the mtk_hwlro_get_fdir_entry() function. This vulnerability allows an attacker to read data beyond the boundaries of an allocated buffer, potentially leading to information disclosure or a system crash. The vulnerability was introduced in version v4.9 of the Linux Kernel and was fixed in version v5.10.122. The impact and attack plausibility of this vulnerability have not been proven.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No specific workaround has been provided for this vulnerability.
Conclusion
The out of bounds read vulnerability in the mtk_eth_soc package can potentially lead to information disclosure or system crashes. It is recommended to update the Linux Kernel to version v5.10.122 or later to mitigate this vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
The impact of this vulnerability could potentially lead to information disclosure or a system crash. However, the actual impact and attack plausibility have not been proven.
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 to the playground, and it will provide real-time monitoring and alerts for open-source vulnerabilities, including this one.
At the time of this report, there is no known exploit for this vulnerability. However, it is always recommended to apply security updates promptly to mitigate potential risks.
The recommended mitigation for this vulnerability is to update the Linux Kernel to version v5.10.122 or later. This update includes the necessary patch to address the out of bounds read issue in the mtk_eth_soc package.
For more information about this vulnerability, you can refer to the source link provided in the database_specific section of this report: https://github.com/cloudsecurityalliance/gsd-database/blob/main/2022/1003xxx/GSD-2022-1003534.json
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