Out of Bound Error in virtio_net - Linux Kernel Vulnerability
Summary
CVE-2024-53082: In the Linux kernel, the following vulnerability has been resolved: virtio_net: Add hash_key_length check Add hash_key_length check in virtnet_probe() to avoid possible out of bound errors when setting/reading the hash k... Affects linux versions < 6.1.119-1. Fixed in 6.1.119-1. How to fix ↓
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Background
The Linux kernel is a core component of the Debian operating system, responsible for managing hardware resources and providing essential services to software applications. It supports a wide range of functionalities, including process management, memory management, and device control. The virtio_net driver is a crucial part of the kernel that facilitates network communication in virtualized environments. This driver is designed to improve performance and efficiency in virtual network interfaces, but it is susceptible to vulnerabilities that can lead to security risks.
Vulnerability Detail
CVE-2024-53082 is a vulnerability in the Linux kernel's virtio_net driver, specifically in the virtnet_probe() function. The issue arises from a lack of validation for the hash_key_length parameter, which can lead to out-of-bounds errors when setting or reading the hash key. This vulnerability can potentially allow an attacker to exploit the system, leading to unauthorized access or crashes, thereby compromising the integrity and availability of the system.
How To Fix
Minimum fixed version
6.1.119-1
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
As of now, there are no specific workarounds provided for this vulnerability. The best course of action is to apply the available patches as soon as they are released.
Conclusion
CVE-2024-53082 represents a significant vulnerability in the Linux kernel's virtio_net driver, which can lead to serious security implications if left unaddressed. It is essential for users and administrators to apply the necessary updates and patches to protect their systems from potential exploitation.
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FAQ
CVE-2024-53082 is a vulnerability in the Linux kernel's virtio_net driver that can lead to out-of-bounds errors due to improper validation of the hash_key_length parameter.
This vulnerability can potentially allow attackers to exploit the system, leading to unauthorized access, crashes, or other security breaches.
Yes, patches are available for Debian 12 and Debian 13. It is recommended to update the Linux package to the latest version to mitigate this vulnerability.
While there are no specific workarounds, it is crucial to monitor the situation and apply patches as soon as they are available to minimize risk.
You can use Vulert, which allows you to monitor and alert for open-source vulnerabilities in your software using just a manifest file like package-lock.json. You can check your application for this vulnerability using the Vulert playground at Vulert Scanner without any signup.
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