Integer multiplication overflow in RDMA/hfi1
Summary
GSD-2022-1003729: RDMA/hfi1: Fix potential integer multiplication overflow errors. Affects Kernel versions >= 7724105686e718ac476a6ad3304fea2fbcfcffde, < 8858284dd74906fa00f04f0252c75df4893a7959. 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 RDMA (Remote Direct Memory Access) protocol. RDMA allows for high-speed data transfers between remote systems with minimal CPU involvement. The hfi1 driver specifically handles communication with Mellanox InfiniBand host channel adapters. This vulnerability in RDMA/hfi1 involves potential integer multiplication overflow errors.
Vulnerability Detail
The vulnerability arises from potential integer multiplication overflow errors in the RDMA/hfi1 package. If an attacker can trigger these errors, it may lead to various security issues, including denial of service (DoS) attacks or potential privilege escalation. The vulnerability was introduced in version v4.3 of the Linux Kernel and has been fixed in version v5.4.198. 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. However, users can mitigate the risk by ensuring they have the latest version of the Linux Kernel installed, which includes the fix for this vulnerability.
Conclusion
The RDMA/hfi1 package in the Linux Kernel is vulnerable to potential integer multiplication overflow errors. To mitigate this vulnerability, it is recommended to update the Linux Kernel to version v5.4.198 or later. For further support on vulnerability remediation, you can reach out to DevNack.com.
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FAQ
RDMA/hfi1 is a component of the Linux Kernel that provides support for the RDMA protocol and handles communication with Mellanox InfiniBand host channel adapters.
The impact of this vulnerability is not yet proven, but it could potentially lead to denial of service (DoS) attacks or privilege escalation.
To fix this vulnerability, update the Linux Kernel to version v5.4.198 or later.
There are no specific workarounds mentioned for this vulnerability. However, keeping the Linux Kernel up to date can help mitigate the risk.
For more details about this vulnerability, refer to the provided references link.
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