In the Linux kernel through 5.15.2, hw_atl_utils_fw_rpc_wait in drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c allows an attacker (who can introduce a crafted device) to trigger an out-of-bounds write via a crafted length value. CREATE(Triage):(User=admin) CVE-2021-43975 (https://nvd.nist.gov/vuln/detail/CVE-2021-43975)