CVE-2024-56683

drm/vc4: hdmi: Avoid hang with debug registers when suspended

Description

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: hdmi: Avoid hang with debug registers when suspended Trying to read /sys/kernel/debug/dri/1/hdmi1_regs when 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.

N/A

CVSS

Severity:

EPSS 0.04%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/0ea29bd7d9400d3629683244d609358ed1b12075
https://git.kernel.org/stable/c/c7d474974954d9af7e0092021223d58f2de128df
https://git.kernel.org/stable/c/16f351adf733a182224ad24916d7673aa6df02df
https://git.kernel.org/stable/c/74f21be9990a42dc2357bcf87a13e16c6998b90e
https://git.kernel.org/stable/c/223ee2567a55e4f80315c768d2969e6a3b9fb23d

Frequently Asked Questions

What is the severity of CVE-2024-56683?: CVE-2024-56683 has not yet been assigned a CVSS score.
How to fix CVE-2024-56683?: To fix CVE-2024-56683, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-56683 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2024-56683 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-56683?: CVE-2024-56683 affects Linux Linux, Linux Linux.

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