Kernel Panic Vulnerability in Linux Packages: GPIO IRQ Handling Issue
Summary
CVE-2024-57916: In the Linux kernel, the following vulnerability has been resolved: misc: microchip: pci1xxxx: Resolve kernel panic during GPIO IRQ handling Resolve kernel panic caused by improper handling of IRQs while accessing GPIO v... Affects linux versions < 6.1.128-1. Fixed in 6.1.128-1. How to fix ↓
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Background
The Linux kernel is a core component of the Debian operating system, responsible for managing system resources and facilitating communication between hardware and software. It is known for its stability, performance, and flexibility, making it a popular choice for servers and desktops alike. However, vulnerabilities can arise, such as the one identified in CVE-2024-57916, which affects GPIO (General Purpose Input/Output) IRQ (Interrupt Request) handling, potentially leading to system instability.
Vulnerability Detail
CVE-2024-57916 is a vulnerability in the Linux kernel that causes a kernel panic due to improper handling of IRQs when accessing GPIO values. This issue arises from the use of the generic_handle_irq function, which does not adequately manage nested interrupts, leading to system crashes. The ramifications of this vulnerability include potential data loss, system downtime, and compromised system integrity, especially in environments where GPIO operations are critical.
How To Fix
Minimum fixed version
6.1.128-1
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 course of action is to apply the patch as soon as it becomes available.
Conclusion
CVE-2024-57916 is a significant vulnerability in the Linux kernel that can lead to kernel panics due to improper IRQ handling during GPIO operations. It is crucial for users to update their systems to mitigate this risk. Monitoring tools like Vulert can assist in identifying vulnerabilities in your software.
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FAQ
CVE-2024-57916 is a vulnerability in the Linux kernel that can cause a kernel panic during GPIO IRQ handling due to improper interrupt management.
This vulnerability can lead to system crashes, data loss, and instability, particularly in systems that rely heavily on GPIO operations.
You should update your Linux packages to the latest version that includes the patch for this vulnerability.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in your software by analyzing your manifest file like package-lock.json.
You can check if your application is affected by this vulnerability using the Vulert playground at Vulert Scanner without needing to sign up.
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