CVE-2026-31776

CVE-2026-31776 affects the Linux kernel via ALSA ctxfi SPDIF1 handling. The issue occurs in daio_device_index() for SPDIF1 (hw20k2) where the index is not properly handled, leading to an out-of-bounds access. Affected code path is fixed upstream by returning the correct index, mirroring the hw20k...