Out of Bounds Read Vulnerability in mtk_eth_soc
Summary
GSD-2022-1003276: net: ethernet: mtk_eth_soc: out of bounds read in mtk_hwlro_get_fdir_entry(). Affects Kernel versions >= 7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd, < b24ca1cf846273361d5bd73a35de95a486a54b6d. 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 the functionality of these controllers, allowing for network communication. The vulnerability in question affects the mtk_hwlro_get_fdir_entry() function within the package.
Vulnerability Detail
The vulnerability is an out of bounds read issue in mtk_hwlro_get_fdir_entry(). It was introduced in version v4.9 of the Linux Kernel by commit 7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd. The issue allows an attacker to read data beyond the bounds of a buffer, potentially leading to information disclosure or a denial of service. The impact and attack plausibility have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no known workaround for this vulnerability.
Conclusion
In conclusion, the mtk_eth_soc package in the Linux Kernel is vulnerable to an out of bounds read issue in the mtk_hwlro_get_fdir_entry() function. This vulnerability can potentially lead to information disclosure or a denial of service. Users should update their Linux Kernel to version v5.15.47 or later to fix the vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability could potentially lead to information disclosure or a denial of service.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability.
Yes, a patch has been released in Linux Kernel version v5.15.47.
There are no known exploits for this vulnerability at this time.
You can find more information about this vulnerability in the Open Source Vulnerability Database (OSVDB) entry GSD-2022-1003276.
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