TrustZone Intermezzo: Broken OP-TEE Memory Isolation on i.MX 8M

This blog post discusses a crucial security vulnerability in the OP-TEE memory isolation for i.MX 8M SoCs. The author warns that unless users are using specific versions of OP-TEE, their memory might be compromised, raising questions about previous protections and oversight in the codebase. The discussion centers on a recent commit aimed at enhancing address space control, leaving readers to consider the implications of this vulnerability.