cve/2024/CVE-2024-56683.md

### [CVE-2024-56683](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-56683)
![](https://img.shields.io/static/v1?label=Product&message=Linux&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=25eb441d55d479581a65bcc9de88bc1d86bf76c1%3C%200ea29bd7d9400d3629683244d609358ed1b12075%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

In the Linux kernel, the following vulnerability has been resolved:drm/vc4: hdmi: Avoid hang with debug registers when suspendedTrying to read /sys/kernel/debug/dri/1/hdmi1_regswhen the hdmi is disconnected results in a fatal system hang.This is due to the pm suspend code disabling the dvp clock.That is just a gate of the 108MHz clock in DVP_HT_RPI_MISC_CONFIG,which results in accesses hanging AXI bus.Protect against this.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/cku-heise/euvd-api-doc