2: branch target injection (CVE-2017-5715)
• Variant 3: rogue data cache load (CVE-2017-5754)
• Variant 3a: Rogue System Register Read (CVE-2018-3640)
• Variant 4: Speculative store bypass (CVE-2018-3639)
ʮVariant 1ʯͱʮVariant 2ʯ͕Spectre
ʮVariant 3ʯ͕MeltdownͱݺΕΔ੬ऑੑͰ͢ɻ
CPUੑೳ্ͷͨΊͷʮػత࣮ߦ(Speculative Execution)ʯͱ͍͏Έ͕ݪҼ Ͱɺ͍ͣΕͷ੬ऑੑαΠυνϟωϧ߈ܸʹྨ͞Ε·͢ɻ