i40e: Fix NULL ptr dereference on VSI filter sync

Kernel Updated 02 Oct 2025

Summary

29/11/2021

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2021-1002282: i40e: Fix NULL ptr dereference on VSI filter sync. Affects Kernel versions >= 41c445ff0f482bb6e6b72dcee9e598e20575f743, < f866513ead4370402428ef724b03c3312295c178. No fix is published. How to fix ↓

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Background

The i40e package is a driver for Intel Ethernet Controller XL710 family devices. It is responsible for managing the network interface cards (NICs) and providing communication between the hardware and the operating system. The package is a part of the Linux Kernel ecosystem.

Vulnerability Detail

The vulnerability in the i40e package is related to a NULL pointer dereference issue during VSI (Virtual Station Interface) filter synchronization. This vulnerability can be exploited by an attacker to cause a denial-of-service (DoS) condition, leading to a system crash or hang. The issue was introduced in version v3.12 of the Linux Kernel and has been fixed in version v5.10.82.

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 i40e package in the Linux Kernel is vulnerable to a NULL pointer dereference issue during VSI filter synchronization. This vulnerability can be exploited to cause a denial-of-service (DoS) condition. It is recommended to update the Linux Kernel to version v5.10.82 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

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