Out of Bounds Read Vulnerability in mtk_eth_soc
Summary
GSD-2022-1004053: net: ethernet: mtk_eth_soc: out of bounds read in mtk_hwlro_get_fdir_entry(). Affects Kernel versions >= 7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd, < b4f0e57ea0d867aacffad7999527e48bd4ea9293. 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 Ethernet functionality for MediaTek SoCs. It includes drivers and modules for managing Ethernet connections. This vulnerability affects the mtk_hwlro_get_fdir_entry() function within the package, which is responsible for retrieving flow director entries. The vulnerability allows for an out of bounds read, potentially leading to information disclosure or a denial of service attack.
Vulnerability Detail
The mtk_hwlro_get_fdir_entry() function in mtk_eth_soc suffers from an out of bounds read vulnerability. This vulnerability occurs when the function attempts to read data from memory beyond the allocated buffer. An attacker could exploit this vulnerability by crafting a malicious packet or network request, causing the function to read sensitive information or crash the system. The impact and attack plausibility of this vulnerability have not been proven yet.
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 mtk_eth_soc's mtk_hwlro_get_fdir_entry() function poses a potential risk of information disclosure or denial of service attacks. It is crucial to update the Linux Kernel to version v4.9.318 or later to mitigate this 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 attack.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file to the playground and it will alert you in real-time if any open-source vulnerabilities are detected.
At the time of this report, there is no known exploit for this vulnerability. However, it is important to apply the recommended fix to mitigate any potential risks.
The recommended mitigation is to update the Linux Kernel to the latest version that includes the fix for this vulnerability.
You can find more information about this vulnerability in the GSD-2022-1004053 JSON report available at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2022/1004xxx/GSD-2022-1004053.json
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