Data-races around sysctl_tcp_mtu_probing in Kernel
Summary
GSD-2022-1004681: tcp: Fix data-races around sysctl_tcp_mtu_probing. Affects Kernel versions >= 5d424d5a674f782d0659a3b66d951f412901faee, < f966773e13cdd3f12baa90071b7b660f6c633ccb. 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 functionalities and interfaces between hardware and software. It manages system resources, facilitates communication between processes, and handles device drivers. The vulnerability in focus relates to the TCP module of the Kernel, specifically the sysctl_tcp_mtu_probing feature.
Vulnerability Detail
The data-races around sysctl_tcp_mtu_probing vulnerability in the Kernel allows for potential security risks. Data races occur when multiple threads or processes access shared data concurrently without proper synchronization, leading to unpredictable behavior and potential memory corruption. This vulnerability could be exploited by malicious actors to gain unauthorized access, execute arbitrary code, or cause denial-of-service attacks. It was introduced in version v2.6.17 of the Kernel and has been fixed in version v5.4.208.
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 data-races around sysctl_tcp_mtu_probing vulnerability in the Kernel poses potential security risks and should be addressed by updating the Linux Kernel to version v5.4.208 or later. For further support and assistance with vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability could potentially lead to unauthorized access, arbitrary code execution, or denial-of-service attacks.
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At the time of this report, no known exploits have been reported for this vulnerability.
The recommended mitigation is to update the Linux Kernel to the fixed version v5.4.208 or later.
The vulnerability was discovered by an automated security analysis tool.
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