Data Race Vulnerability in Linux Kernel
Summary
GSD-2022-1004179: icmp: Fix a data-race around sysctl_icmp_errors_use_inbound_ifaddr. Affects Kernel versions >= 1c2fb7f93cb20621772bf304f3dba0849942e5db, < f9617844e4d5d6331dbce3fb19a24e5bda201e58. 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 widely used across various devices and platforms. The vulnerability identified in this report pertains to the Internet Control Message Protocol (ICMP) module in the Linux Kernel.
Vulnerability Detail
The vulnerability, identified as GSD-2022-1004179, is a data race issue in the sysctl_icmp_errors_use_inbound_ifaddr function of the ICMP module. A data race occurs when multiple threads or processes access shared data concurrently without proper synchronization, leading to unexpected behavior and potential security vulnerabilities. In this case, the data race can be triggered by certain sysctl operations related to ICMP error handling. The impact and attack plausibility of this vulnerability have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
The data race issue has been fixed in the Linux Kernel version v5.18.13 by commit f9617844e4d5d6331dbce3fb19a24e5bda201e58. To resolve the vulnerability, users are advised to update their Linux Kernel to the latest version available. This can be done by following the official update process provided by the Linux distribution being used.
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Workaround
No specific workaround has been mentioned for this vulnerability.
Conclusion
In conclusion, the data race vulnerability identified in the Linux Kernel's ICMP module can potentially lead to security issues. It is recommended to update the Linux Kernel to the latest version to mitigate the risk. For further support 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 behavior and potential security vulnerabilities.
The impact of this vulnerability is currently unknown, as the attack plausibility has not been proven. However, data race vulnerabilities can potentially lead to various security issues, including information disclosure, privilege escalation, and denial of service.
You can use the Vulert Playground (https://vulert.com/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 analyze it for any open-source vulnerabilities, including GSD-2022-1004179.
Yes, a patch for this vulnerability has been released in the Linux Kernel version v5.18.13. Users are advised to update their Linux Kernel to the latest version to mitigate the risk.
You can find more information about this vulnerability in the GSD-2022-1004179 JSON report available on the Cloud Security Alliance's GSD Database (https://github.com/cloudsecurityalliance/gsd-database).
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