Vulnerability in Kernel Package: iavf: Fix handling of dummy receive descriptors

Kernel Updated 02 Oct 2025

Summary

31/07/2022

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2022-1004671: iavf: Fix handling of dummy receive descriptors. Affects Kernel versions >= efa14c3985828da3163f5372137cb64d992b0f79, < d88d59faf4e6f9cc4767664206afdb999b10ec77. No fix is published. How to fix ↓

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Background

The Kernel package is a critical component of the Linux operating system, responsible for managing the system's core functionality. It provides essential services, such as device drivers, process management, and memory management. The iavf module within the Kernel package is specifically related to Intel Ethernet Adaptive Virtual Function (AVF) devices. These devices enable virtualization of network resources and are commonly used in cloud computing environments. However, a vulnerability has been identified in the iavf module's handling of dummy receive descriptors, which could potentially lead to security issues.

Vulnerability Detail

The vulnerability in the iavf module's handling of dummy receive descriptors arises from a flaw introduced in version v5.3 of the Linux Kernel. This flaw allows an attacker to manipulate the receive descriptors, potentially leading to a variety of security issues. The impact and attack plausibility of this vulnerability have not been proven yet. However, it is crucial to address this vulnerability to prevent any potential exploitation. The vulnerability has been fixed in version v5.4.208 of the Linux Kernel by commit d88d59faf4e6f9cc4767664206afdb999b10ec77.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

No specific workaround has been provided for this vulnerability. It is advised to follow the recommended fix and update the Linux Kernel package to the latest version.

Conclusion

In conclusion, a vulnerability has been identified in the Kernel package's iavf module, specifically related to the handling of dummy receive descriptors. This vulnerability can potentially lead to security issues, although the impact and attack plausibility have not been proven. It is crucial to update the Linux Kernel package to version v5.4.208 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

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