Integer Underflows in RDMA/irdma Package
Summary
GSD-2022-1001837: RDMA/irdma: Prevent some integer underflows. Affects Kernel versions >= 3f49d684256963d3f27dfb9d9ff228e2255be78d, < d52dab6e03550f9c97121b0c11c0a3ed78ee76a4. No fix is published. How to fix ↓
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Background
The RDMA/irdma package is a component of the Linux Kernel ecosystem. It provides support for Remote Direct Memory Access (RDMA) over InfiniBand and RoCE (RDMA over Converged Ethernet) networks. RDMA allows for high-speed, low-latency data transfers between remote systems. The irdma module specifically handles the InfiniBand RDMA transport protocol. It is an essential component for systems utilizing RDMA technology.
Vulnerability Detail
The vulnerability in RDMA/irdma involves integer underflows. Specifically, certain calculations within the code can result in the underflow of integer variables, leading to unexpected behavior and potential security risks. While the impact and attack plausibility have not been proven, the presence of these integer underflows indicates a potential vulnerability that could be exploited by malicious actors. The vulnerability was introduced in version v5.14 of the Linux Kernel and has been fixed in version v5.15.33.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No specific workaround has been provided for this vulnerability. The recommended course of action is to update the Linux Kernel to the fixed version.
Conclusion
The vulnerability in the RDMA/irdma package involves integer underflows, which could potentially be exploited by attackers. It is crucial to update the Linux Kernel to version v5.15.33 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
RDMA/irdma is a component of the Linux Kernel that provides support for Remote Direct Memory Access (RDMA) over InfiniBand and RoCE networks.
The impact of the integer underflows is not yet proven, but they indicate a potential security vulnerability that could be exploited by attackers.
To fix this vulnerability, update the Linux Kernel to version v5.15.33 or later.
No specific workarounds have been provided. Updating the Linux Kernel is the recommended solution.
For more information, refer to the provided references link in the vulnerability details.
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