Vulnerability in RDMA/qedr Package: Error Return Code in qedr_iw_connect()
Summary
GSD-2021-1000423: RDMA/qedr: Fix error return code in qedr_iw_connect(). Affects Kernel versions >= 8a69220b659c31ccd481538193220d732814b324, < 53656a2a01834e3d90fb2813ae5c82febcb96218. No fix is published. How to fix ↓
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Background
The RDMA/qedr package is a component of the Linux Kernel that provides support for Remote Direct Memory Access (RDMA) over Ethernet. RDMA allows for high-speed data transfers between remote systems with low latency. The qedr module specifically implements the RDMA over RoCE (RDMA over Converged Ethernet) protocol. It is used in systems that require efficient and high-performance networking capabilities.
Vulnerability Detail
The vulnerability in the RDMA/qedr package lies in the qedr_iw_connect() function. This function is responsible for establishing a connection between two RDMA devices. However, there is an error in the return code handling within this function, which can lead to incorrect error reporting. An attacker could potentially exploit this vulnerability to manipulate error codes and deceive the system into believing that a connection has been successfully established when it has not. This could result in unauthorized access or other security breaches.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no known workaround for this vulnerability. It is essential to apply the provided fix by updating the Linux Kernel to the recommended version.
Conclusion
The vulnerability in the RDMA/qedr package, specifically in the qedr_iw_connect() function, can lead to incorrect error reporting and potential security breaches. It is crucial to update the Linux Kernel to version v5.4.119 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
RDMA/qedr is a component of the Linux Kernel that enables Remote Direct Memory Access (RDMA) over Ethernet. It provides high-speed data transfers with low latency for systems requiring efficient networking capabilities.
This vulnerability can potentially allow an attacker to manipulate error codes and deceive the system into believing that a connection has been successfully established when it has not. This could lead to unauthorized access or other security breaches.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.4.119 or later. This update includes the necessary fix for the error return code in qedr_iw_connect().
There is no known workaround for this vulnerability. It is essential to apply the provided fix by updating the Linux Kernel to the recommended version.
Users can obtain the updated Linux Kernel from the official Linux Kernel repository or through their respective Linux distribution's package management system.
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