Integer multiplication overflow in RDMA/hfi1
Summary
GSD-2022-1003551: RDMA/hfi1: Fix potential integer multiplication overflow errors. Affects Kernel versions >= 7724105686e718ac476a6ad3304fea2fbcfcffde, < 31dca00d0cc9f4133320d72eb7e3720badc6d6e6. 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 Interconnect (HFI) InfiniBand driver. It allows for high-speed communication between nodes in a cluster. The vulnerability in question involves potential integer multiplication overflow errors within the package.
Vulnerability Detail
The vulnerability arises from the possibility of integer multiplication overflow errors in the RDMA/hfi1 package. If an attacker can exploit this vulnerability, it could lead to various security issues, including potential privilege escalation or denial of service attacks. The vulnerability was introduced in version v4.3 of the Linux Kernel and has been fixed in version v5.10.121.
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 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 Linux Kernel to version v5.10.121 or later. No specific workaround has been mentioned. It is recommended to regularly check for updates and apply them promptly to ensure the security of your system.
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FAQ
If exploited, this vulnerability could potentially allow an attacker to escalate privileges or launch denial of service attacks.
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 to the playground and it will provide real-time alerts for open-source vulnerabilities.
At the time of this report, there is no known exploit for this vulnerability. However, it is still important to apply the necessary updates to mitigate the risk.
There are no specific prerequisites mentioned for exploiting this vulnerability.
For further support on vulnerability remediation, you can reach out to info@devnack.com.
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