Kernel Vulnerability in Linux Package: ida_free Call Mismanagement
Summary
CVE-2024-58056: In the Linux kernel, the following vulnerability has been resolved: remoteproc: core: Fix ida_free call while not allocated In the rproc_alloc() function, on error, put_device(&rproc->dev) is called, leading to the call... Affects linux versions < 6.1.129-1. Fixed in 6.1.129-1. How to fix ↓
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Background
The Linux kernel is a core component of the operating system that manages hardware and system resources. It provides essential services for all other parts of the system, including process management, memory management, and device control. The kernel is critical for system stability and performance. This vulnerability arises from a flaw in the remoteproc subsystem, which is responsible for managing remote processors in embedded systems. The issue can lead to improper resource management and system warnings, potentially affecting system reliability.
Vulnerability Detail
In the Linux kernel, specifically within the remoteproc subsystem, a vulnerability has been identified in the rproc_alloc() function. If an error occurs before the ida_alloc function is called, the rproc_type_release() function may still attempt to free an ID that was never allocated, leading to a warning message. This mismanagement can cause instability and unexpected behavior in the system, as it indicates that the kernel is trying to free resources that were not properly allocated, which can lead to resource leaks or crashes.
How To Fix
Minimum fixed version
6.1.129-1
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
Currently, there are no specific workarounds provided for this vulnerability. The best approach is to ensure that the system is updated to the latest version of the Linux kernel that addresses this issue.
Conclusion
The CVE-2024-58056 vulnerability in the Linux kernel's remoteproc subsystem highlights the importance of proper resource management within the kernel. Users are encouraged to update their systems to the latest patched versions to ensure stability and security. Regular monitoring for vulnerabilities using tools like Vulert can help maintain system integrity.
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FAQ
CVE-2024-58056 is a vulnerability in the Linux kernel's remoteproc subsystem that can lead to improper resource management and system warnings.
This vulnerability can cause instability in the Linux kernel, leading to warnings about resource management and potentially affecting system performance.
You can use Vulert, which monitors open-source vulnerabilities in your software using a manifest file like package-lock.json. Visit Vulert Scanner to check your application without needing to sign up.
Yes, a patch is available in the latest versions of the Linux kernel. Users should update their kernel to the patched version to mitigate the vulnerability.
While there are no specific workarounds, it is advisable to monitor your system for unusual behavior and plan to update as soon as possible.
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