Fix ordering in queued_write_lock_slowpath() vulnerability in Kernel
Summary
GSD-2021-1000050: locking/qrwlock: Fix ordering in queued_write_lock_slowpath(). Affects Kernel versions >= b519b56e378ee82caf9b079b04f5db87dedc3251, < 82808cc026811fbc3ecf0c0b267a12a339eead56. No fix is published. How to fix ↓
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Background
The Kernel is a crucial component of the Linux operating system that manages system resources and facilitates communication between hardware and software. It provides essential functionalities such as process management, memory management, and device drivers. The vulnerability in question affects the locking/qrwlock module within the Kernel.
Vulnerability Detail
The vulnerability, identified as GSD-2021-1000050, originates from an issue in the queued_write_lock_slowpath() function of the locking/qrwlock module. The vulnerability allows for incorrect ordering, potentially leading to security vulnerabilities. While the impact and attack plausibility have not been proven, it is essential to address this vulnerability to ensure the integrity and security of the system.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No workaround has been provided for this vulnerability. It is necessary to update the Kernel to the fixed version to mitigate the risk.
Conclusion
The Fix ordering in queued_write_lock_slowpath() vulnerability in the Kernel can potentially lead to security vulnerabilities. It is crucial to update the Kernel to version v5.4.115 or later to mitigate this risk. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability is currently unknown as the actual attack plausibility has not been proven. However, it is crucial to address this vulnerability to prevent potential security risks.
You can use Vulert's playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file, and Vulert will provide real-time alerts for any open-source vulnerabilities, including this one.
Yes, a fix for this vulnerability is available in the Linux Kernel version v5.4.115. It is recommended to update to this version or a later one to ensure the vulnerability is patched.
No, there are no known workarounds for this vulnerability. Updating the Kernel to the fixed version is the recommended solution.
You can find more information about this vulnerability in the GSD-2021-1000050.json file available in the GSD database repository on GitHub: https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1000xxx/GSD-2021-1000050.json
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