CVE-2025-21873

CVE-2025-21873 affects the Linux kernel SCSI/UFS stack, specifically the bsg path. The issue occurs when an ARPMB (arpmb) command fails on devices that do not support ARPMB, leading to a crash due to copying user data in bsg_transport_sg_io_fn(). When ufs_bsg_exec_advanced_rpmb_req() returns an e...