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CVE-2024-56683 (GCVE-0-2024-56683)

Vulnerability from cvelistv5 – Published: 2024-12-28 09:46 – Updated: 2026-05-23 15:55
VLAI
Title
drm/vc4: hdmi: Avoid hang with debug registers when suspended
Summary
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.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 25eb441d55d479581a65bcc9de88bc1d86bf76c1 , < 0ea29bd7d9400d3629683244d609358ed1b12075 (git)
Affected: 25eb441d55d479581a65bcc9de88bc1d86bf76c1 , < c7d474974954d9af7e0092021223d58f2de128df (git)
Affected: 25eb441d55d479581a65bcc9de88bc1d86bf76c1 , < 16f351adf733a182224ad24916d7673aa6df02df (git)
Affected: 25eb441d55d479581a65bcc9de88bc1d86bf76c1 , < 74f21be9990a42dc2357bcf87a13e16c6998b90e (git)
Affected: 25eb441d55d479581a65bcc9de88bc1d86bf76c1 , < 223ee2567a55e4f80315c768d2969e6a3b9fb23d (git)
Affected: 1da00a63f0e798f0fd0dcf623b16c16e13f93615 (git)
Affected: f70c25cf34f91cc6f40e79a5b7565fd0272d7396 (git)
Affected: 5.18.18 , < 5.19 (semver)
Affected: 5.19.2 , < 5.20 (semver)
guessed Create a notification for this product.
Linux Linux Affected: 6.0
Unaffected: 0 , < 6.0 (semver)
Unaffected: 6.1.120 , ≤ 6.1.* (semver)
Unaffected: 6.6.64 , ≤ 6.6.* (semver)
Unaffected: 6.11.11 , ≤ 6.11.* (semver)
Unaffected: 6.12.2 , ≤ 6.12.* (semver)
Unaffected: 6.13 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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    "redhat_vex": {
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      "status": "final",
      "title": "kernel: drm/vc4: hdmi: Avoid hang with debug registers when suspended",
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}



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