Double Free Vulnerability in igbvf Package

Kernel Updated 02 Oct 2025

Summary

27/12/2021

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2021-1002653: igbvf: fix double free in igbvf_probe. Affects Kernel versions >= d4e0fe01a38a073568aee541a0247fe734095979, < cc9b655bb84f1be283293dfea94dff9a31b106ac. No fix is published. How to fix ↓

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Background

The igbvf package is a component of the Linux Kernel ecosystem. It provides support for Intel Gigabit Ethernet Virtual Function (VF) devices. These devices allow virtual machines to access the physical network interface of the host system. The igbvf package is responsible for initializing and managing these virtual functions. It is widely used in virtualized environments to enable network connectivity for virtual machines.

Vulnerability Detail

The vulnerability identified as GSD-2021-1002653 is a double free issue in the igbvf_probe function of the igbvf package. A double free vulnerability occurs when a program attempts to free the same memory address twice, leading to memory corruption and potential exploitation. The specific impact and attack vectors of this vulnerability have not been proven yet, but it is considered a security risk that requires immediate attention. The vulnerability was introduced in version v2.6.30 of the Linux Kernel and has been fixed in version v4.19.222.

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. The recommended approach is to apply the fix by updating the Linux Kernel to the latest version.

Conclusion

The double free vulnerability in the igbvf package poses a potential security risk. It is crucial to update the Linux Kernel to version v4.19.222 or later to mitigate this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.

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