RDMA/hfi1: Prevent use of lock before it is initialized

Kernel Updated 02 Oct 2025

Summary

28/06/2022

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2022-1003563: RDMA/hfi1: Prevent use of lock before it is initialized. Affects Kernel versions >= 473291b3ea0e1df81f7abf13b8ab4b98a346df5e, < fc0750e659db7b315bf6348902cc8ca3cdd4b8d8. No fix is published. How to fix ↓

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Background

The RDMA/hfi1 package is a component of the Linux Kernel ecosystem. It provides support for Remote Direct Memory Access (RDMA) over the hfi1 network interface. RDMA allows for high-speed, low-latency data transfers between remote systems. The hfi1 driver is responsible for managing the communication between the RDMA hardware and the operating system. This vulnerability in the RDMA/hfi1 package allows for the use of a lock before it has been properly initialized, potentially leading to unexpected behavior or crashes.

Vulnerability Detail

The vulnerability arises from the use of a lock before it has been properly initialized. This can occur when certain operations attempt to acquire the lock before it has been set up. As a result, the lock may not function as intended, leading to potential race conditions or other concurrency issues. Exploiting this vulnerability could allow an attacker to manipulate the lock state and potentially disrupt the normal operation of the RDMA/hfi1 driver. The impact and attack plausibility of this vulnerability have not yet been proven.

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 RDMA/hfi1 package in the Linux Kernel is vulnerable to a lock initialization issue. This vulnerability can potentially lead to unexpected behavior or crashes in the RDMA/hfi1 driver. It is recommended to update the Linux Kernel to version v5.10.121 or later to mitigate this vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.

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