Page Corruption Vulnerability in Linux Kernel
Summary
GSD-2023-1002385: Fix page corruption caused by racy check in __free_pages. Affects Kernel versions >= e320d3012d25b1fb5f3df4edb7bd44a1c362ec10, < 0a626e27f984dfbe96bd8e4fd08f20a2ede3ea23. 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 a critical piece of software that enables the functioning of various devices and services on Linux-based systems. The vulnerability identified in this report pertains to a race condition in the __free_pages function, which can lead to page corruption within the kernel.
Vulnerability Detail
The vulnerability arises due to a racy check in the __free_pages function of the Linux Kernel. This race condition can result in page corruption, potentially leading to various security issues and system instability. Although the impact and attack plausibility have not been proven, it is crucial to address this vulnerability to ensure the integrity and security of the system. The vulnerability was introduced in version v5.10 of the Linux Kernel and has been fixed in version v5.10.168.
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 identified vulnerability in the Linux Kernel can lead to page corruption and potential security issues. It is crucial to update the kernel to version v5.10.168 or later to mitigate this vulnerability. Regularly updating the Linux Kernel and other software components is essential for maintaining system security. For further support and assistance, please contact DevNack.com.
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FAQ
The impact of this vulnerability can vary depending on the specific system and its usage. However, potential consequences include system instability, data corruption, and potential security breaches.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file, and Vulert will analyze it for any open-source vulnerabilities, including this specific issue.
At the time of this report, no known exploits have been identified for this vulnerability. However, it is essential to address it promptly to mitigate any potential risks.
The exact attack vector and exploitability of this vulnerability have not been proven. However, it is always recommended to keep systems up to date with the latest security patches to minimize the risk of remote exploitation.
For further support and assistance in addressing this vulnerability, you can reach out to info@devnack.com. Our team of experts will be happy to assist you in resolving any concerns or queries.
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