cve/2024/CVE-2024-56683.md
2025-09-29 21:09:30 +02:00

1.3 KiB

CVE-2024-56683

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.

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