- Vulnerability/
- CVE-2024-56680
CVE-2024-56680: media: intel/ipu6: do not handle interrupts when device is disabled
First published: Sat Dec 28 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: media: intel/ipu6: do not handle interrupts when device is disabled Some IPU6 devices have shared interrupts. We need to handle properly case when interrupt is triggered from other device on shared irq line and IPU6 itself disabled. In such case we get 0xffffffff from ISR_STATUS register and handle all irq's cases, for what we are not not prepared and usually hang the whole system. To avoid the issue use pm_runtime_get_if_active() to check if the device is enabled and prevent suspending it when we handle irq until the end of irq. Additionally use synchronize_irq() in suspend
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2024-56680?
CVE-2024-56680 is considered a medium severity vulnerability due to its potential impact on system stability and security.
How do I fix CVE-2024-56680?
To fix CVE-2024-56680, update your Linux kernel to the latest version that includes the patch addressing this vulnerability.
Which systems are affected by CVE-2024-56680?
CVE-2024-56680 affects Intel Linux Kernel environments, particularly those utilizing IPU6 devices.
What are the risks of not addressing CVE-2024-56680?
Failing to address CVE-2024-56680 can lead to improper handling of interrupts which may impact device functionality and system performance.
Is there a workaround for CVE-2024-56680 before applying a patch?
Currently, there are no documented workarounds for CVE-2024-56680; applying the patch is the recommended solution.
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