Data Race Vulnerability in Linux Kernel
Summary
GSD-2022-1004112: ipv4: Fix a data-race around sysctl_fib_multipath_use_neigh. Affects Kernel versions >= a6db4494d218c2e559173661ee972e048dc04fdd, < 14e996577ed2799a1ed6ffeb71c76d63acb28444. No fix is published. How to fix ↓
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Background
The Linux Kernel is the core component of the Linux operating system. It provides essential functionality, including device drivers, process management, memory management, and file system support. The kernel is responsible for managing hardware resources and facilitating communication between software and hardware components. This vulnerability affects the IPv4 module of the Linux Kernel.
Vulnerability Detail
The vulnerability identified as GSD-2022-1004112 in the Linux Kernel's IPv4 module is a data race issue related to the sysctl_fib_multipath_use_neigh function. A data race occurs when two or more threads access shared data concurrently, and at least one of them performs a write operation. In this case, the data race can lead to inconsistent or unexpected behavior, potentially resulting in security vulnerabilities or system instability. The impact and attack plausibility of this vulnerability have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No workaround has been provided for this vulnerability.
Conclusion
The data race vulnerability in the Linux Kernel's IPv4 module can potentially lead to security vulnerabilities or system instability. It is crucial to update the Linux Kernel to the latest version, v5.18.15, to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
A data race vulnerability occurs when multiple threads access shared data concurrently, leading to unexpected behavior or security vulnerabilities.
The impact of this vulnerability is currently unknown, as the attack plausibility has not been proven.
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 to the playground, and it will provide real-time alerts for open-source vulnerabilities.
Yes, a patch has been released in the Linux Kernel version v5.18.15. It is recommended to update your Linux Kernel to the latest version to fix this vulnerability.
You can refer to the vulnerability details in the GSD database at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2022/1004xxx/GSD-2022-1004112.json for more information.
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