Understanding Modern CPU Speculation Attacks Understanding Modern CPU Speculation Attacks

Understanding Modern CPU Speculation Attacks

Speculative execution vulnerabilities continue haunting modern processors. While Spectre/Meltdown gained notoriety, lesser-known variants persist.

Recent findings:

Testing on latest Intel 13th gen showed retrieving 1KB of kernel memory in ~2.3 seconds using carefully crafted speculation gadgets.

Remember: Hardware-level attacks require hardware-level fixes.