Vulnerability in Kernel: scsi: qedf: Add stag_work to all the vports
Summary
GSD-2022-1000493: scsi: qedf: Add stag_work to all the vports. Affects Kernel versions < 0be556512cd0dfcf5ec1a140d9f42d88221a5d4e. No fix is published. How to fix ↓
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Background
The Kernel is a critical component of the Linux operating system that provides core functionality and acts as an interface between hardware and software. It includes various subsystems, such as the SCSI (Small Computer System Interface) subsystem, which handles communication between the operating system and storage devices. One of the components within the SCSI subsystem is qedf, which is responsible for managing Fibre Channel over Ethernet (FCoE) connections. The vulnerability identified in qedf involves the absence of stag_work in all the virtual ports (vports), potentially leading to security issues.
Vulnerability Detail
The vulnerability in qedf arises from the lack of stag_work in all the vports. The stag_work is a critical component that performs specific tasks related to the vports. Without this work, there is a possibility of security vulnerabilities, although the exact impact and attack plausibility have not been proven yet. It is important to note that this vulnerability has been fixed in the Linux Kernel version v5.16.10 by commit 0be556512cd0dfcf5ec1a140d9f42d88221a5d4e.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
The vulnerability in Kernel's qedf component, which involves the absence of stag_work in all the vports, has been identified and fixed in the Linux Kernel version v5.16.10. It is crucial to update the Kernel to the fixed version to ensure the security and stability of the system. For further support on vulnerability remediation, you can reach out to DevNack.com.
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FAQ
The exact impact of this vulnerability is not yet proven. However, the absence of stag_work in all the vports could potentially lead to security issues.
You can use Vulert's playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Vulert monitors and alerts in real-time for open-source vulnerabilities without requiring access to the code or installation.
Yes, this vulnerability has been fixed in the Linux Kernel version v5.16.10 by commit 0be556512cd0dfcf5ec1a140d9f42d88221a5d4e.
If your system is affected, it is recommended to update the Linux Kernel to version v5.16.10 or later. Follow the official update process provided by your Linux distribution.
No specific workarounds have been mentioned for this vulnerability. Updating the Linux Kernel to the fixed version is the recommended solution.
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