IB/mlx5: Fix initializing CQ fragments buffer

Kernel Updated 02 Oct 2025

Summary

30/06/2021
N/A
No i
Unrated
Not published

GSD-2021-1000904: IB/mlx5: Fix initializing CQ fragments buffer. Affects Kernel versions >= 388ca8be00370db132464e27f745b8a0add19fcb, < e3ecd9c09fcc10cf6b2bc67e2990c397c40a8c26. No fix is published. How to fix ↓

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Background

The IB/mlx5 package is a component of the Linux Kernel that provides support for InfiniBand and Mellanox ConnectX network adapters. It is responsible for managing communication between devices and facilitating high-speed data transfers. The package is widely used in various applications and systems that rely on InfiniBand technology for efficient networking.

Vulnerability Detail

The vulnerability in IB/mlx5 involves the improper initialization of the Completion Queue (CQ) fragments buffer. This issue was introduced in version v4.17 of the Linux Kernel and affects all subsequent versions until v5.4.126. An attacker could potentially exploit this vulnerability to execute arbitrary code or cause a denial-of-service (DoS) condition. The impact and attack plausibility of this vulnerability have not been proven yet.

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 vulnerability in IB/mlx5 involving the improper initialization of the CQ fragments buffer can be mitigated by updating the Linux Kernel to version v5.4.126 or later. It is important to stay updated with the latest security patches to ensure the integrity and security of systems relying on InfiniBand technology. For further support on vulnerability remediation, you can reach out to DevNack.com.

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FAQ

IB/mlx5 is a component of the Linux Kernel that provides support for InfiniBand and Mellanox ConnectX network adapters.

The impact of this vulnerability could potentially allow an attacker to execute arbitrary code or cause a denial-of-service (DoS) condition.

To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.4.126 or later.

No specific workaround has been mentioned for this vulnerability.

For more details about this vulnerability, you can refer to the source link provided in the database specific information section.

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How To Fix

No fixed version is published for this vulnerability.

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