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" Welp , it turns out the Meltdown patches for Windows 10 had a fatal flaw : calling NtCallEnclave returned back to user space with the full kernel page table directory , completely undermining the mitigation , " Ionescu wrote .
 patch vulnerability: turns out
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: phishing, data breach, ransom, discover vulnerability, patch vulnerability 
Text: {0} 
Answer:
 patch vulnerability: turns out