TrustZone Intermezzo: Broken OP-TEE Memory Isolation on i.MX 8M
A commit enabling the TZASC on NXP i.MX 8M sent us down a rabbit hole: how a DDR memory alias bypasses Arm TrustZone and exposes OP-TEE's secure memory to Linux.
sigma star gmbh
A commit enabling the TZASC on NXP i.MX 8M sent us down a rabbit hole: how a DDR memory alias bypasses Arm TrustZone and exposes OP-TEE's secure memory to Linux.
sigma star gmbh