CVE-2024-56683

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> drm/vc4: hdmi: Avoid hang with debug registers when suspended<br /> <br /> Trying to read /sys/kernel/debug/dri/1/hdmi1_regs<br /> when the hdmi is disconnected results in a fatal system hang.<br /> <br /> This is due to the pm suspend code disabling the dvp clock.<br /> That is just a gate of the 108MHz clock in DVP_HT_RPI_MISC_CONFIG,<br /> which results in accesses hanging AXI bus.<br /> <br /> Protect against this.