net/mlx5e: Avoid field-overflowing memcpy()

Kernel Updated 02 Oct 2025

Summary

27/02/2022

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2022-1000640: net/mlx5e: Avoid field-overflowing memcpy(). Affects Kernel versions >= b5503b994ed5ed8dbfe821317e7b5b38acb065c5, < 8fbdf8c8b8ab82beab882175157650452c46493e. No fix is published. How to fix ↓

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Background

The net/mlx5e package is a part of the Linux Kernel ecosystem. It provides support for Mellanox ConnectX Ethernet devices. The package includes various drivers and modules that enable network functionality for these devices. One of the components in this package is susceptible to a field-overflowing memcpy() vulnerability.

Vulnerability Detail

The vulnerability in net/mlx5e arises from the use of memcpy() without proper bounds checking. This can lead to a field-overflowing memcpy(), potentially resulting in memory corruption or arbitrary code execution. The vulnerability was introduced in version v4.9 of the Linux Kernel and has been fixed in version v5.16.6. The impact and attack plausibility of this vulnerability have not yet been proven.

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.

Conclusion

The net/mlx5e package in the Linux Kernel is vulnerable to a field-overflowing memcpy() issue. It is recommended to update the kernel to version v5.16.6 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

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