CVE-2026-43477

CVE-2026-43477 affects the Linux kernel’s DRM/i915 driver, specifically the VRR path. The issue arises when VRR timings (TRANS_VRR_VMAX/FLIPLINE) are configured before enabling TRANS_DDI_FUNC_CTL, which can cause an MCE hang in some setups (e.g., certain external displays via a dock). The documen...