Vulnerability in Kernel: tcp_mtup_probe_success vs wrong snd_cwnd

Kernel Updated 02 Oct 2025

Summary

28/06/2022
N/A
No i
Unrated
Not published

GSD-2022-1003248: tcp: fix tcp_mtup_probe_success vs wrong snd_cwnd. Affects Kernel versions >= 5d424d5a674f782d0659a3b66d951f412901faee, < 90385f2b65d0cd2b3b1ac8909f0cc6dd31062cfc. No fix is published. How to fix ↓

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Background

The Kernel is a critical component of the Linux operating system that provides core functionality and acts as a bridge between hardware and software. It manages system resources, facilitates communication between processes, and handles device drivers. The vulnerability in question affects the TCP (Transmission Control Protocol) implementation within the Kernel.

Vulnerability Detail

The vulnerability arises from an issue with the 'tcp_mtup_probe_success' function, which leads to an incorrect value being assigned to the 'snd_cwnd' variable. This can result in various adverse effects, such as suboptimal network performance, congestion control problems, and potential denial-of-service scenarios. The vulnerability was introduced in version v2.6.17 of the Linux Kernel and has been addressed in version v5.15.47.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

No specific workaround has been mentioned for this vulnerability.

Conclusion

In conclusion, the vulnerability in the Kernel's TCP implementation can have significant implications for network performance and security. It is crucial to update to the fixed version of the Linux Kernel to mitigate the risks associated with this vulnerability. For further assistance or support in addressing this vulnerability, please contact DevNack.com.

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FAQ

The vulnerability can lead to suboptimal network performance, congestion control problems, and potential denial-of-service scenarios.

The vulnerability was introduced in version v2.6.17 and is present in all subsequent versions until v5.15.46.

Yes, the vulnerability has been fixed in version v5.15.47 of the Linux Kernel.

No known exploits for this vulnerability have been reported at this time.

For more details about this vulnerability, you can refer to the source link provided in the database-specific information section of this report.

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How To Fix

No fixed version is published for this vulnerability.

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