Data Race Vulnerability in Linux Kernel
Summary
GSD-2022-1004126: tcp: Fix a data-race around sysctl_tcp_probe_interval. Affects Kernel versions >= 05cbc0db03e82128f2e7e353d4194dd24a1627fe, < b14cc8afbbcbc6dce4797913c0b85266b897f541. 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 improved by a large community of contributors. However, like any complex software, it is susceptible to vulnerabilities that can be exploited by attackers to gain unauthorized access or disrupt system operations.
Vulnerability Detail
The identified vulnerability in the Linux Kernel is related to a data race around the sysctl_tcp_probe_interval. A data race occurs when multiple threads or processes access shared data concurrently without proper synchronization, leading to unpredictable behavior and potential security vulnerabilities. In this case, the data race can be exploited by an attacker to manipulate the sysctl_tcp_probe_interval parameter, potentially causing denial-of-service (DoS) attacks or other security breaches.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no specific workaround mentioned for this vulnerability. The recommended approach is to update the Linux Kernel to the latest version.
Conclusion
The data race vulnerability in the Linux Kernel around the sysctl_tcp_probe_interval parameter poses a potential security risk that can be exploited by attackers. To mitigate this vulnerability, it is crucial to update the Linux Kernel to version v5.18.15 or later. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
A data race occurs when multiple threads or processes access shared data concurrently without proper synchronization. This can lead to unpredictable behavior and potential security vulnerabilities.
sysctl_tcp_probe_interval is a parameter in the Linux Kernel that determines the interval at which TCP probes are sent. It is used for network diagnostics and troubleshooting.
This vulnerability can be exploited by an attacker to manipulate the sysctl_tcp_probe_interval parameter, potentially causing denial-of-service (DoS) attacks or other security breaches.
You can use the Vulert Playground at Vulert Scanner to check if your Linux Kernel version is affected by this vulnerability. Simply upload your package-lock.json file and the Vulert Playground will provide real-time alerts for open-source vulnerabilities.
At the time of this report, there is no known exploit for this vulnerability. However, it is important to update the Linux Kernel to the latest version to mitigate any potential risks.
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