CVE-2026-68467

In the Linux kernel, the following vulnerability has been resolved:

mtd: mchp23k256: use SPI match data for chip caps

The driver stores chip capacity information in both the OF match table and the SPI id table. Probe currently uses ofdevicegetmatchdata(), so a non-OF SPI modalias match falls back to mchp23k256_caps even when the SPI id table selected a different part.

Use spigetdevicematchdata() so SPI id-table driver_data is consumed when OF match data is absent. This keeps the existing default fallback while avoiding the wrong MTD geometry for id-table-only matches.