CVE-2025-3873 Buffer overflow in Si91x crypto APIs

The following APIs for the Silcon Labs SiWx91x prior to vesion 3.4.0 failed to check the size of the output buffer of the caller which could lead to data corruption on the host Cortex-M4 application. slsi91xaes slsi91xgcm slsi91xccm slsi91xsha...

CVE-2025-3873

CVE-2025-3873 affects Silicon Labs SiWx91x prior to 3.4.0. The API modules sl_si91x_aes, sl_si91x_gcm, sl_si91x_ccm, and sl_si91x_sha fail to validate the caller’s output buffer size, which could cause data corruption in the host (Cortex-M4) application. Root cause: missing input validation in bu...