Information Disclosure in Linux Kernel via /proc/stat
Summary
CVE-2011-4917: In the Linux kernel through 3.1 there is an information disclosure issue via /proc/stat. Affects linux versions 5.10.103-1 – 6.9.9-1. 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 essential functionality. The /proc/stat file is a virtual file system that provides information about various system statistics, including CPU usage, process information, and more. This vulnerability in the Linux kernel allows an attacker to gain unauthorized access to sensitive information through the /proc/stat file.
Vulnerability Detail
The vulnerability, identified as CVE-2011-4917, exists in the Linux kernel versions up to 3.1. It is an information disclosure issue that can be exploited by accessing the /proc/stat file. By leveraging this vulnerability, an attacker can obtain sensitive system statistics, potentially leading to further attacks or unauthorized access. The CVSS v3 score for this vulnerability is 5.5, indicating a moderate severity level.
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. However, users can mitigate the risk by ensuring that the Linux kernel is regularly updated to the latest version.
Conclusion
The information disclosure vulnerability in the Linux kernel via the /proc/stat file can lead to unauthorized access to sensitive system statistics. It is crucial to update the Linux kernel to the latest version to mitigate the risk. For further support on vulnerability remediation, you can reach out to DevNack.com.
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FAQ
This vulnerability allows an attacker to access sensitive system statistics, which can potentially be used to gather information for further attacks or unauthorized access.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your manifest file (e.g., package-lock.json) and the Vulert Playground will provide real-time alerts for open-source vulnerabilities.
While there may be known exploits for this vulnerability, it is crucial to update the Linux kernel to the latest version to mitigate the risk and prevent potential exploitation.
The vulnerability affects Linux kernel versions up to 3.1. It is recommended to check for updates provided by your Linux distribution to ensure the necessary security patches are applied.
For more detailed information about this vulnerability, you can refer to the CVE-2011-4917 entry at the Vulert database: https://vulert.com/cve/CVE-2011-4917
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