cve 2024 47662

CVE-2024-47662 is a vulnerability in the Linux kernel's AMD DRM display driver, specifically affecting the DCN35 DMCUB diagnostic collection. The flaw involves a register read that can hang the display microcontroller interface, blocking a critical diagnostic and hardware entry path for certain DCN3.5 hardware. This local, availability-focused issue was addressed by removing the problematic register read, which was merged into upstream kernels. The fix improves GPU availability on affected AMD hardware. Discussions on WindowsForum.com cover the technical details of the patch, its impact on Linux systems, and the broader context of AMD driver security.