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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.

PUBLISHED Reserved 2024-12-27 | Published 2024-12-28 | Updated 2025-11-03 | Assigner Linux

Product status

Default status
unaffected

25eb441d55d479581a65bcc9de88bc1d86bf76c1 (git) before 0ea29bd7d9400d3629683244d609358ed1b12075
affected

25eb441d55d479581a65bcc9de88bc1d86bf76c1 (git) before c7d474974954d9af7e0092021223d58f2de128df
affected

25eb441d55d479581a65bcc9de88bc1d86bf76c1 (git) before 16f351adf733a182224ad24916d7673aa6df02df
affected

25eb441d55d479581a65bcc9de88bc1d86bf76c1 (git) before 74f21be9990a42dc2357bcf87a13e16c6998b90e
affected

25eb441d55d479581a65bcc9de88bc1d86bf76c1 (git) before 223ee2567a55e4f80315c768d2969e6a3b9fb23d
affected

1da00a63f0e798f0fd0dcf623b16c16e13f93615 (git)
affected

f70c25cf34f91cc6f40e79a5b7565fd0272d7396 (git)
affected

Default status
affected

6.0
affected

Any version before 6.0
unaffected

6.1.120 (semver)
unaffected

6.6.64 (semver)
unaffected

6.11.11 (semver)
unaffected

6.12.2 (semver)
unaffected

6.13 (original_commit_for_fix)
unaffected

References

lists.debian.org/debian-lts-announce/2025/03/msg00001.html

git.kernel.org/...c/0ea29bd7d9400d3629683244d609358ed1b12075

git.kernel.org/...c/c7d474974954d9af7e0092021223d58f2de128df

git.kernel.org/...c/16f351adf733a182224ad24916d7673aa6df02df

git.kernel.org/...c/74f21be9990a42dc2357bcf87a13e16c6998b90e

git.kernel.org/...c/223ee2567a55e4f80315c768d2969e6a3b9fb23d

cve.org (CVE-2024-56683)

nvd.nist.gov (CVE-2024-56683)

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