Vulnerability in Kernel package: tcp: add accessors to read/set tp->snd_cwnd
Summary
GSD-2022-1002570: tcp: add accessors to read/set tp->snd_cwnd. Affects Kernel versions < 41e191fe72282e193a7744e2fc1786b23156c9e4. No fix is published. How to fix ↓
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Background
The Kernel package is an essential component of the Linux operating system, responsible for managing the system's core functionality. It provides various services and functions to enable the proper functioning of hardware, software, and user applications. One of the components within the Kernel package is the Transmission Control Protocol (TCP), which facilitates reliable and ordered communication between network devices. However, a vulnerability has been identified in the Kernel package related to the TCP implementation.
Vulnerability Detail
The vulnerability in the Kernel package allows unauthorized access to read or modify the value of tp->snd_cwnd, which represents the congestion window size for TCP connections. An attacker could potentially exploit this vulnerability to manipulate the congestion control mechanism, leading to various security risks. The impact and attack plausibility of this vulnerability have not been proven yet. It is important to note that this vulnerability has been fixed in Linux Kernel version v5.18.4 by commit 41e191fe72282e193a7744e2fc1786b23156c9e4.
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 Kernel package in Linux is vulnerable to unauthorized access and manipulation of the congestion control mechanism in TCP connections. It is crucial to update the Linux Kernel package to version v5.18.4 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability is not yet proven, but it could potentially allow unauthorized access and manipulation of the congestion control mechanism in TCP connections.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your manifest file (e.g., package-lock.json) and the playground will provide real-time alerts for open-source vulnerabilities.
Yes, this vulnerability has been fixed in Linux Kernel version v5.18.4 by commit 41e191fe72282e193a7744e2fc1786b23156c9e4.
If your system is affected, it is recommended to update the Linux Kernel package to version v5.18.4 or later as soon as possible. Follow the official update process provided by your Linux distribution.
You can find more information about this vulnerability in the GSD-2022-1002570 JSON file available at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2022/1002xxx/GSD-2022-1002570.json
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