CVE-2024-56683
drm/vc4: hdmi: Avoid hang with debug registers when suspended
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Dec 28, 2024 |
| Last Updated | May 11, 2026 |
Stay Ahead of the Next One
Get instant alerts for linux linux
Be the first to know when new unknown vulnerabilities affecting linux linux are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
Affected Versions
Linux / Linux
25eb441d55d479581a65bcc9de88bc1d86bf76c1 < 0ea29bd7d9400d3629683244d609358ed1b12075 25eb441d55d479581a65bcc9de88bc1d86bf76c1 < c7d474974954d9af7e0092021223d58f2de128df 25eb441d55d479581a65bcc9de88bc1d86bf76c1 < 16f351adf733a182224ad24916d7673aa6df02df 25eb441d55d479581a65bcc9de88bc1d86bf76c1 < 74f21be9990a42dc2357bcf87a13e16c6998b90e 25eb441d55d479581a65bcc9de88bc1d86bf76c1 < 223ee2567a55e4f80315c768d2969e6a3b9fb23d 1da00a63f0e798f0fd0dcf623b16c16e13f93615 f70c25cf34f91cc6f40e79a5b7565fd0272d7396
Linux / Linux
6.0
References
git.kernel.org: https://git.kernel.org/stable/c/0ea29bd7d9400d3629683244d609358ed1b12075 git.kernel.org: https://git.kernel.org/stable/c/c7d474974954d9af7e0092021223d58f2de128df git.kernel.org: https://git.kernel.org/stable/c/16f351adf733a182224ad24916d7673aa6df02df git.kernel.org: https://git.kernel.org/stable/c/74f21be9990a42dc2357bcf87a13e16c6998b90e git.kernel.org: https://git.kernel.org/stable/c/223ee2567a55e4f80315c768d2969e6a3b9fb23d lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html