Vulnerability in IB/hfi1: Fix leak of rcvhdrtail_dummy_kvaddr
Summary
GSD-2021-1002583: IB/hfi1: Fix leak of rcvhdrtail_dummy_kvaddr. Affects Kernel versions >= 46b010d3eeb8eb29c740c4ef09c666485f5c07e6, < 834d0fb978643eaf09da425de197cc16a7c2761b. No fix is published. How to fix ↓
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Background
The IB/hfi1 package is a component of the Linux Kernel, which is responsible for providing InfiniBand (IB) and High-Speed Fabric Interface (HFI) functionality. It enables communication between nodes in high-performance computing clusters. The package includes drivers and modules that facilitate the use of IB and HFI devices. However, a vulnerability has been discovered in the package that could potentially lead to security issues.
Vulnerability Detail
The vulnerability in IB/hfi1 involves a leak of rcvhdrtail_dummy_kvaddr. This vulnerability was introduced in version v4.5 of the Linux Kernel and has been present until version v5.15.8. The exact impact and attack plausibility of this vulnerability have not been proven yet. However, it is important to address this issue to prevent any potential security breaches. The vulnerability has been fixed in version v5.15.8 of the Linux Kernel by commit 834d0fb978643eaf09da425de197cc16a7c2761b.
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/hfi1 that leads to the leak of rcvhdrtail_dummy_kvaddr has been identified and fixed in version v5.15.8 of the Linux Kernel. It is crucial to update the Linux Kernel to the latest version to ensure the security and integrity of systems utilizing IB/hfi1. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
IB/hfi1 is a package in the Linux Kernel that provides InfiniBand and High-Speed Fabric Interface functionality for high-performance computing clusters.
The exact impact of this vulnerability is not yet proven. However, it is important to address it to prevent potential security breaches.
To fix the vulnerability, update the Linux Kernel to version v5.15.8 or later.
No specific workaround has been mentioned for this vulnerability.
For more information, refer to the provided references link.
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