tipc: skb_linearize the head skb when reassembling msgs
Summary
UVI-2021-1000597: tipc: skb_linearize the head skb when reassembling msgs. Affects Kernel versions >= 45c8b7b175ceb2d542e0fe15247377bf3bce29ec, < 6da24cfc83ba4f97ea44fc7ae9999a006101755c. No fix is published. How to fix ↓
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Background
The Kernel package is a crucial component of the Linux operating system. It provides the core functionality and acts as an interface between the hardware and software layers. The tipc module in the Kernel is responsible for providing communication capabilities between processes on different nodes in a cluster. It utilizes a message-based protocol for this purpose.
Vulnerability Detail
The vulnerability identified in the tipc module involves the reassembly of messages. When reassembling messages, the head skb (socket buffer) is not linearized, which can lead to potential security issues. Although the impact and attack plausibility have not been proven, this vulnerability has the potential to be exploited by malicious actors to compromise the integrity or confidentiality of the system.
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
The tipc vulnerability in the Kernel package can potentially lead to security issues related to message reassembly. It is crucial to update the Kernel to the latest version to mitigate the risk associated with this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability could potentially allow attackers to compromise the integrity or confidentiality of the system.
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 and the Vulert Playground will analyze it for any open-source vulnerabilities, including this one.
Yes, a patch has been released in Linux Kernel version v5.10.42. It is recommended to update the Kernel to the latest version to fix this vulnerability.
At the time of this report, there are no known exploits for this vulnerability. However, it is important to apply the patch and keep the system up to date to mitigate any potential risks.
This vulnerability was discovered by an automated process and reported as part of the Open Source Vulnerability database maintained by the Cloud Security Alliance.
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