Integer multiplication overflow in RDMA/hfi1
Summary
GSD-2022-1003304: RDMA/hfi1: Fix potential integer multiplication overflow errors. Affects Kernel versions >= 7724105686e718ac476a6ad3304fea2fbcfcffde, < 3f09ec80f115d2875d747ed28adc1773037e0f8b. 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 the High Frequency Interface (HFI) InfiniBand driver. InfiniBand is a high-speed interconnect technology used in high-performance computing and data center environments. The hfi1 driver enables communication between the host system and InfiniBand devices. This vulnerability affects versions of the Linux Kernel starting from v4.3 and was fixed in v5.15.46.
Vulnerability Detail
The vulnerability in RDMA/hfi1 is related to potential integer multiplication overflow errors. This occurs when the result of an arithmetic operation exceeds the maximum value that can be represented by the data type used. In the context of RDMA/hfi1, this vulnerability could be exploited by an attacker to trigger a buffer overflow or other memory corruption issues, potentially leading to arbitrary code execution or privilege escalation. The specific technical details of the vulnerability have not been disclosed.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No workaround has been provided for this vulnerability.
Conclusion
The integer multiplication overflow vulnerability in RDMA/hfi1 can potentially lead to serious security issues in systems running affected versions of the Linux Kernel. It is crucial to update the kernel to version v5.15.46 or later to mitigate this vulnerability. For further support and assistance with vulnerability remediation, please contact DevNack.com.
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FAQ
RDMA/hfi1 is a component of the Linux Kernel that provides support for the High Frequency Interface (HFI) InfiniBand driver. It enables communication between the host system and InfiniBand devices.
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. This can lead to unexpected behavior and potential security vulnerabilities.
The potential consequences of this vulnerability include buffer overflow, memory corruption, arbitrary code execution, and privilege escalation. However, the specific impact and attack vectors have not been disclosed.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file and Vulert will analyze it for open-source vulnerabilities in real-time.
For more information about this vulnerability, you can refer to the vulnerability details in the GSD database at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2022/1003xxx/GSD-2022-1003304.json
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