net/smc: Fix Connection Leak in Kernel
Summary
GSD-2022-1000828: net/smc: fix connection leak. Affects Kernel versions >= 39f41f367b08650e9aa314e3a13fb6dda1e9eec7, < 2e8d465b83db307f04ad265848f8ab3f78f6918f. No fix is published. How to fix ↓
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Background
The net/smc package is a part of the Linux Kernel and is responsible for providing support for the SMC (System Management Controller) protocol. SMC is a high-performance, low-latency, and secure communication protocol used for interconnecting servers in a data center. It allows for efficient data transfer and is commonly used in high-performance computing environments. However, a vulnerability has been discovered in the net/smc package that can lead to a connection leak.
Vulnerability Detail
The vulnerability in the net/smc package is caused by a connection leak. When a connection is established using the SMC protocol, resources are allocated to handle the connection. However, due to a programming error, these resources are not properly released when the connection is closed. This can result in a gradual depletion of system resources, leading to a denial-of-service condition. An attacker could exploit this vulnerability by repeatedly establishing and closing connections, causing the system to run out of resources and become unresponsive.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no known workaround for this vulnerability. It is necessary to update the Linux Kernel to the fixed version to mitigate the risk of a connection leak.
Conclusion
The net/smc package in the Linux Kernel is vulnerable to a connection leak issue. This vulnerability can be mitigated by updating the Kernel to version v5.10.104 or later. It is recommended to apply the fix as soon as possible to prevent potential denial-of-service attacks. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
The net/smc package is a part of the Linux Kernel and provides support for the SMC (System Management Controller) protocol.
This vulnerability can lead to a connection leak, resulting in a gradual depletion of system resources and a denial-of-service condition.
An attacker can exploit this vulnerability by repeatedly establishing and closing connections, causing the system to run out of resources and become unresponsive.
No, there is no known workaround for this vulnerability. Updating the Linux Kernel to the fixed version is necessary.
For more information about this vulnerability, you can refer to the vulnerability details in the Open Source Vulnerability format or the provided references link.
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