CVE-2026-43477

Summary: CVE-2026-43477 affects the Linux kernel DRM i915 VRR path. The vulnerability arises from configuring VRR timings (TRANS_VRR_VMAX/FLIPLINE) before enabling TRANS_DDI_FUNC_CTL, which can cause an MCE hang on some Intel/Icelake platforms (e.g., Dell XPS 7390 2‑in‑1 with a dock and faulty US...