Vulnerability in ipheth package: EOVERFLOW in ipheth_rcvbulk_callback

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-2022-1000643: ipheth: fix EOVERFLOW in ipheth_rcvbulk_callback. Affects Kernel versions >= f33d9e2b48a34e1558b67a473a1fc1d6e793f93c, < 7bf02718b736e66609fc1002a358727a945f46a6. No fix is published. How to fix ↓

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Background

The ipheth package is a component of the Linux Kernel ecosystem. It provides functionality for USB tethering between iPhones and Linux systems. This package allows users to share their iPhone's internet connection with their Linux device. The ipheth_rcvbulk_callback function within the package is vulnerable to an EOVERFLOW issue.

Vulnerability Detail

The EOVERFLOW vulnerability in ipheth_rcvbulk_callback can be exploited by an attacker to cause a denial-of-service (DoS) condition or potentially execute arbitrary code. The vulnerability was introduced in version v5.10 of the Linux Kernel and fixed in version v5.16.6. The issue occurs due to a lack of proper input validation, which can lead to a buffer overflow. An attacker could send specially crafted USB packets to trigger the vulnerability and potentially gain control over the affected system.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

There is no known workaround for this vulnerability. It is essential to update the Linux Kernel to the fixed version to mitigate the risk.

Conclusion

The ipheth package in the Linux Kernel is vulnerable to an EOVERFLOW issue in the ipheth_rcvbulk_callback function. This vulnerability can result in a denial-of-service (DoS) condition or potential execution of arbitrary code. To mitigate the risk, it is crucial to update the Linux Kernel to version v5.16.6 or later, which includes the necessary fix. For further support on vulnerability remediation, please contact DevNack.com.

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