Data Race Vulnerability in Linux Kernel
Summary
GSD-2022-1004676: tcp: Fix a data-race around sysctl_tcp_probe_interval. Affects Kernel versions >= 05cbc0db03e82128f2e7e353d4194dd24a1627fe, < 73a11588751a2c13f25d9da8117efc9a79b1843f. No fix is published. How to fix ↓
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Background
The Linux Kernel is the core component of the Linux operating system, responsible for managing system resources and providing an interface for applications to interact with the hardware. It is a critical piece of software that is constantly being developed and maintained by a large community of contributors. The vulnerability in question relates to the TCP module of the Linux Kernel, which handles network communication using the Transmission Control Protocol (TCP).
Vulnerability Detail
The vulnerability identified in the Linux Kernel is a data race around the sysctl_tcp_probe_interval parameter. A data race occurs when multiple threads or processes access shared data concurrently without proper synchronization, leading to unexpected and potentially harmful behavior. In this case, the data race can result in inconsistent or incorrect values being read or written to the sysctl_tcp_probe_interval parameter, which controls the interval at which TCP probes are sent. The impact of this vulnerability is not yet fully understood, but it has the potential to disrupt network communication and compromise the stability and security of affected systems.
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. The recommended course of action is to apply the fix by updating the Linux Kernel to a version that includes the necessary patch.
Conclusion
The data race vulnerability in the Linux Kernel related to the sysctl_tcp_probe_interval parameter has been identified and fixed in version v5.4.208. Users are advised to update their Linux Kernel to a version that includes the fix to ensure the stability and security of their systems. For more information and assistance with vulnerability remediation, please contact DevNack.com.
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FAQ
A data race vulnerability occurs when multiple threads or processes access shared data concurrently without proper synchronization, leading to unexpected and potentially harmful behavior.
The impact of this vulnerability is not yet fully understood, but it has the potential to disrupt network communication and compromise the stability and security of affected systems.
To fix this vulnerability, users are advised to update their Linux Kernel to the latest stable version that includes the fix. Detailed instructions can be found in the documentation and resources provided for the specific Linux distribution being used.
No specific workaround has been mentioned for this vulnerability. The recommended course of action is to apply the fix by updating the Linux Kernel.
For more information about this vulnerability, you can refer to the source link provided in the vulnerability details section or reach out to info@devnack.com for further support.
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