Data-races in ipv6 sk->sk_prot in Linux Kernel
Summary
GSD-2022-1001061: ipv6: annotate some data-races around sk->sk_prot. Affects Kernel versions < 7f11e5c2fc12eafc874e42158078b968e47e4ac0. 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 an open-source project that is constantly being developed and maintained by a large community of contributors. The vulnerability in question affects the IPv6 implementation in the kernel.
Vulnerability Detail
The vulnerability involves data-races around sk->sk_prot in the IPv6 code of the Linux Kernel. Data-races occur 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-races are present in the sk->sk_prot field, which is a pointer to the protocol-specific socket operations structure. 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
There is no specific workaround mentioned for this vulnerability.
Conclusion
The data-races in the ipv6 sk->sk_prot field of the Linux Kernel have been identified and fixed in version v5.17.3. It is recommended for users to update their kernel to the latest version to mitigate the vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
A data-race occurs when multiple threads or processes access shared data concurrently without proper synchronization, leading to unpredictable behavior and potential security vulnerabilities.
sk->sk_prot is a field in the socket structure that points to the protocol-specific socket operations structure. It is used to handle protocol-specific operations for a socket.
The impact of this vulnerability is not yet proven. Data-races can potentially lead to security vulnerabilities, but the specific consequences in this case are unknown.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your package-lock.json file and Vulert will analyze it for open-source vulnerabilities, including this one.
For more information about this vulnerability, you can refer to the source link in the database-specific section of the vulnerability details: https://github.com/cloudsecurityalliance/gsd-database/blob/main/2022/1001xxx/GSD-2022-1001061.json
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