New Attack Targets DDR5 Memory to Steal Keys From Intel and AMD TEEs  - SecurityWeek

A new attack named TEE.fail targets DDR5 memory to steal cryptographic keys from Intel TDX and AMD SEV-SNP trusted execution environments (TEEs), requiring physical access to insert an interposer between the CPU and memory. This attack is significant as it affects the latest confidential computing offerings from Intel and AMD, and can also compromise Nvidia’s GPU Confidential Computing.