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.
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.
Metrics
Affected Vendors & Products
Advisories
Source | ID | Title |
---|---|---|
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DLA-4076-1 | linux-6.1 security update |
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EUVD-2024-53331 | 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. |
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USN-7276-1 | Linux kernel vulnerabilities |
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USN-7277-1 | Linux kernel vulnerabilities |
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USN-7310-1 | Linux kernel vulnerabilities |
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USN-7449-1 | Linux kernel vulnerabilities |
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USN-7449-2 | Linux kernel (HWE) vulnerabilities |
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USN-7450-1 | Linux kernel vulnerabilities |
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USN-7451-1 | Linux kernel vulnerabilities |
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USN-7452-1 | Linux kernel vulnerabilities |
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USN-7453-1 | Linux kernel (Real-time) vulnerabilities |
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USN-7468-1 | Linux kernel (Azure, N-Series) vulnerabilities |
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USN-7523-1 | Linux kernel (Raspberry Pi Real-time) vulnerabilities |
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USN-7524-1 | Linux kernel (Raspberry Pi) vulnerabilities |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Tue, 07 Oct 2025 20:15:00 +0000
Type | Values Removed | Values Added |
---|---|---|
Weaknesses | NVD-CWE-noinfo | |
CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
Mon, 30 Dec 2024 01:30:00 +0000
Type | Values Removed | Values Added |
---|---|---|
References |
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Metrics |
threat_severity
|
cvssV3_1
|
Sat, 28 Dec 2024 10:00:00 +0000
Type | Values Removed | Values Added |
---|---|---|
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. | |
Title | drm/vc4: hdmi: Avoid hang with debug registers when suspended | |
References |
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Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2025-05-04T13:01:13.648Z
Reserved: 2024-12-27T15:00:39.846Z
Link: CVE-2024-56683

No data.

Status : Analyzed
Published: 2024-12-28T10:15:10.773
Modified: 2025-10-07T20:06:18.087
Link: CVE-2024-56683


Updated: 2025-07-13T11:22:59Z