Integer multiplication overflow in RDMA/hfi1
Summary
GSD-2022-1003872: RDMA/hfi1: Fix potential integer multiplication overflow errors. Affects Kernel versions >= 7724105686e718ac476a6ad3304fea2fbcfcffde, < 79c164e61f818054cd6012e9035701840d895c51. No fix is published. How to fix ↓
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Background
The RDMA/hfi1 package is a component of the Linux Kernel that provides support for high-performance networking using Remote Direct Memory Access (RDMA) technology. It enables efficient data transfer between network devices and memory without involving the CPU. The vulnerability in RDMA/hfi1 is related to potential integer multiplication overflow errors.
Vulnerability Detail
The vulnerability arises from the possibility of integer multiplication overflow in the RDMA/hfi1 package. This can occur when certain calculations involving integers are performed, resulting in an incorrect result due to the overflow. An attacker could potentially exploit this vulnerability to manipulate the calculations and cause unexpected behavior or security issues. The impact and attack plausibility of this vulnerability have not been proven yet.
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
In conclusion, the RDMA/hfi1 package in the Linux Kernel is vulnerable to potential integer multiplication overflow errors. To mitigate this vulnerability, it is crucial to update the Kernel to version v4.19.247 or later. For further support and assistance in vulnerability remediation, you can reach out to DevNack.com.
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FAQ
RDMA/hfi1 is a component of the Linux Kernel that enables high-performance networking using Remote Direct Memory Access (RDMA) technology.
An integer multiplication overflow occurs when the result of multiplying two integers exceeds the maximum value that can be represented by the data type used for the calculation.
The vulnerability could potentially be exploited by an attacker to manipulate calculations involving integers in the RDMA/hfi1 package, leading to unexpected behavior or security issues.
No, the impact and attack plausibility of this vulnerability have not been proven yet.
To update the Linux Kernel, you can follow the official documentation and guidelines provided by the Linux Kernel community. It is recommended to update to version v4.19.247 or later to fix this vulnerability.
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