Vulnerability in RDMA/qedr Package: Error Return Code in qedr_iw_connect()

Kernel Updated 02 Oct 2025

Summary

31/05/2021

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2021-1000249: RDMA/qedr: Fix error return code in qedr_iw_connect(). Affects Kernel versions >= 82af6d19d8d9227c22a53ff00b40fb2a4f9fce69, < 296eb4ca08e47ec77b27d5e476c19bf23f91f6cd. No fix is published. How to fix ↓

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Background

The RDMA/qedr package is a component of the Linux Kernel ecosystem. It provides support for Remote Direct Memory Access (RDMA) over Ethernet networks using the qedr_iw_connect() function. RDMA allows for high-speed data transfers between remote systems with low latency. The qedr_iw_connect() function is responsible for establishing connections between RDMA devices. However, a vulnerability has been discovered in this function that could lead to potential security issues.

Vulnerability Detail

The vulnerability, identified as GSD-2021-1000249, originates from an error return code in the qedr_iw_connect() function. This error can potentially be exploited by attackers to execute arbitrary code or trigger a denial-of-service condition. The impact and attack plausibility of this vulnerability have not been proven yet. The vulnerability was introduced in version v5.5 of the Linux Kernel and has been fixed in version v5.12.4. For more technical details, please refer to the provided references.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

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

Conclusion

In conclusion, the RDMA/qedr package in the Linux Kernel is vulnerable to an error return code in the qedr_iw_connect() function. This vulnerability can potentially lead to security issues, although the impact is yet to be proven. It is crucial to update the Linux Kernel to version v5.12.4 or later to mitigate this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.

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