Vulnerability in Kernel: 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-2021-1002393: net: ethernet: dec: tulip: de4x5: fix possible array overflows in type3_infoblock(). Affects Kernel versions < ae3c30ca1894ead38e39576289e5a8346621450f. No fix is published. How to fix ↓

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Background

The Kernel package is a fundamental component of the Linux operating system, responsible for managing the system's core functions. It provides an interface between the hardware and software layers, enabling communication and coordination between various system components. The net: ethernet: dec: tulip: de4x5 module within the Kernel package specifically handles Ethernet network interfaces. This vulnerability affects the type3_infoblock() function within the de4x5 module, potentially leading to array overflows.

Vulnerability Detail

The type3_infoblock() function in the net: ethernet: dec: tulip: de4x5 module of the Kernel package is susceptible to array overflows. An attacker could exploit this vulnerability to overwrite adjacent memory, potentially leading to arbitrary code execution or system crashes. The impact and attack plausibility of this vulnerability have not been proven yet. It is important to note that this vulnerability has been fixed in Linux Kernel version v4.14.257 by commit ae3c30ca1894ead38e39576289e5a8346621450f.

How To Fix

No fixed version is published for this vulnerability.

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Conclusion

In conclusion, the net: ethernet: dec: tulip: de4x5 module in the Kernel package is vulnerable to array overflows in the type3_infoblock() function. This vulnerability can potentially lead to arbitrary code execution or system crashes. It is crucial to update the Linux Kernel to version v4.14.257 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

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