Memory-Failure Vulnerability in Kernel
Summary
GSD-2021-1000971: mm/memory-failure: make sure wait for page writeback in memory_failure. Affects Kernel versions >= 0bc1f8b0682caa39f45ce1e0228ebf43acb46111, < 9e379da727a7a031be9b877cde7b9c34a0fb8306. 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 memory management, process scheduling, and device drivers. The memory-failure vulnerability affects the Kernel and can lead to potential security risks.
Vulnerability Detail
The memory-failure vulnerability in the Kernel, introduced in version v3.16 and fixed in v5.10.46, can result in a failure to wait for page writeback during memory failure. This can potentially lead to data corruption or disclosure. Attackers may exploit this vulnerability to gain unauthorized access to sensitive information or disrupt system operations. The vulnerability was addressed by commit 9e379da727a7a031be9b877cde7b9c34a0fb8306.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
The memory-failure vulnerability in the Kernel can have serious security implications, including data corruption and unauthorized access. It is crucial to update the Linux Kernel to the fixed version (v5.10.46 or later) to mitigate the risk. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
The memory-failure vulnerability can potentially lead to data corruption or disclosure, allowing attackers to gain unauthorized access to sensitive information or disrupt system operations.
You can use Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your manifest file (e.g., package-lock.json) and Vulert will analyze it in real-time.
No specific workaround has been provided for this vulnerability. It is recommended to update the Linux Kernel to the fixed version.
Yes, the memory-failure vulnerability was introduced in version v3.16 and affects older versions of the Linux Kernel.
You can find more information about this vulnerability in the Open Source Vulnerability Database (OSVDB) entry: https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1000xxx/GSD-2021-1000971.json
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