Data Race Vulnerability in ip Package
Summary
GSD-2022-1004540: ip: Fix a data-race around sysctl_fwmark_reflect. Affects Kernel versions >= e110861f86094cd78cc85593b873970092deb43a, < 0ee76fe01ff3c0b4efaa500aecc90d7c8d3a8860. No fix is published. How to fix ↓
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Background
The ip package is a component of the Linux Kernel ecosystem and is responsible for managing IP addresses and routes. It provides functionality for configuring network interfaces, setting up routing tables, and managing firewall rules. The package is widely used in Linux-based systems and is critical for network communication. However, a data race vulnerability has been identified in the ip package, which can lead to potential security issues.
Vulnerability Detail
The data race vulnerability in the ip package revolves around the sysctl_fwmark_reflect function. This vulnerability was introduced in version v3.16 of the Linux Kernel by commit e110861f86094cd78cc85593b873970092deb43a and affects all subsequent versions until it was fixed in v5.10.134 by commit 0ee76fe01ff3c0b4efaa500aecc90d7c8d3a8860. The vulnerability can be exploited by malicious actors to manipulate the sysctl_fwmark_reflect function, potentially leading to unauthorized access, denial of service, or other security breaches. It is important to note that the actual impact and attack plausibility have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No specific workaround has been provided for this vulnerability.
Conclusion
The data race vulnerability in the ip package can pose a potential security risk. It is crucial to update the Linux Kernel to the fixed version to mitigate this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
The ip package is a component of the Linux Kernel ecosystem and is responsible for managing IP addresses and routes.
The impact of this vulnerability is not yet proven, but it has the potential to lead to unauthorized access, denial of service, or other security breaches.
To fix this vulnerability, update the Linux Kernel to version v5.10.134 or later.
No specific workaround has been provided for this vulnerability.
For more details about this vulnerability, refer to the official Linux Kernel repository and the provided references.
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