Memory Consumption or System Crash in Linux Kernel (CVE-2013-4483)
Summary
CVE-2013-4483: The ipc_rcu_putref function in ipc/util.c in the Linux kernel before 3.10 does not properly manage a reference count, which allows local users to cause a denial of service (memory consumption or system crash) via a craft... Affects linux versions < 3.11.8-1. Fixed in 3.11.8-1. How to fix ↓
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Background
The Linux kernel is a critical component of the Linux operating system, responsible for managing system resources and facilitating communication between different software components. It provides the core functionality required for the proper functioning of the operating system. However, a vulnerability identified as CVE-2013-4483 poses a risk to the stability and performance of the Linux kernel.
Vulnerability Detail
CVE-2013-4483 is a memory consumption or system crash vulnerability that affects the Linux kernel versions prior to 3.10. The issue arises due to improper management of a reference count in the ipc_rcu_putref function of ipc/util.c. Local users can exploit this vulnerability by executing a specially crafted application, leading to excessive memory consumption or a system crash. The impact of this vulnerability can range from denial of service to potential unauthorized access to sensitive information.
How To Fix
Minimum fixed version
3.11.8-1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade linuxTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no specific workaround mentioned for this vulnerability. However, users can mitigate the risk by applying the recommended fix and keeping their systems up to date with the latest security patches.
Conclusion
The memory consumption or system crash vulnerability (CVE-2013-4483) in the Linux kernel poses a risk to the stability and performance of affected systems. It is crucial to update the Linux kernel to the recommended version and apply the necessary security patches to mitigate the risk. For additional support and guidance, you can contact DevNack.com.
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FAQ
The impact of CVE-2013-4483 can range from denial of service to potential unauthorized access to sensitive information. It can lead to excessive memory consumption or system crashes, affecting the stability and performance of the Linux kernel.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability. Vulert monitors and alerts in real-time for open-source vulnerabilities, using just a manifest file like package-lock.json.
While the details of any known exploits are not provided, it is important to address this vulnerability promptly by updating the Linux kernel to the recommended version.
This vulnerability can be exploited by local users with the ability to execute a specially crafted application on the affected system.
For further support on vulnerability remediation, you can reach out to info@devnack.com. They can provide guidance and assistance in addressing this vulnerability.
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