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CVE-2024-56683

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CVE-2024-56683

Published: Dec 28, 2024

Modified: May 23, 2026

PUBLISHED

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.

VendorProductVersions

Linux

Linux

affected
25eb441d55d479581a65bcc9de88bc1d86bf76c1 - < 0ea29bd7d9400d3629683244d609358ed1b12075
affected
25eb441d55d479581a65bcc9de88bc1d86bf76c1 - < c7d474974954d9af7e0092021223d58f2de128df
affected
25eb441d55d479581a65bcc9de88bc1d86bf76c1 - < 16f351adf733a182224ad24916d7673aa6df02df
affected
25eb441d55d479581a65bcc9de88bc1d86bf76c1 - < 74f21be9990a42dc2357bcf87a13e16c6998b90e
affected
25eb441d55d479581a65bcc9de88bc1d86bf76c1 - < 223ee2567a55e4f80315c768d2969e6a3b9fb23d

+4 more versions

Linux

Linux

affected
6.0
unaffected
0 - < 6.0
unaffected
6.1.120 - <= 6.1.*
unaffected
6.6.64 - <= 6.6.*
unaffected
6.11.11 - <= 6.11.*

+2 more versions

References

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