Vulnerability in Kernel package: net: ethernet: dec: tulip: de4x5

Kernel Updated 02 Oct 2025

Summary

19/12/2021

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2021-1002443: net: ethernet: dec: tulip: de4x5: fix possible array overflows in type3_infoblock(). Affects Kernel versions < 57247f7035393c12a5819c589d52b6ee3edde8aa. No fix is published. How to fix ↓

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Background

The Kernel package is a crucial component of the Linux operating system, responsible for managing the system's core functions. It provides essential services and interfaces for hardware, software, and user applications. The net: ethernet: dec: tulip: de4x5 module within the Kernel package is specifically designed to support DEC Tulip-based Ethernet adapters. These adapters are commonly used in network devices to enable network connectivity. However, a vulnerability has been discovered in the type3_infoblock() function of the de4x5 module, which could potentially lead to array overflows.

Vulnerability Detail

The vulnerability in the net: ethernet: dec: tulip: de4x5 module arises from possible array overflows in the type3_infoblock() function. This vulnerability could be exploited by an attacker to execute arbitrary code or cause a denial-of-service (DoS) condition. The exact impact and attack plausibility have not been proven yet. It is important to note that this vulnerability has been fixed in Linux Kernel version v5.4.164 by commit 57247f7035393c12a5819c589d52b6ee3edde8aa.

How To Fix

No fixed version is published for this vulnerability.

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Conclusion

In conclusion, the Kernel package's net: ethernet: dec: tulip: de4x5 module is vulnerable to possible array overflows in the type3_infoblock() function. This vulnerability has been fixed in Linux Kernel version v5.4.164 by commit 57247f7035393c12a5819c589d52b6ee3edde8aa. It is crucial to update the Linux Kernel package to the fixed version to mitigate the risk of exploitation. For further support on vulnerability remediation, please contact DevNack.com.

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