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Q1What is this vulnerability? (Essence + Consequences)
🚨 **Essence**: A critical hardware flaw in Intel & ARM CPUs allowing **memory leakage**.…
🛠️ **Root Cause**: Defect in the processor's **data boundary mechanism**. <br>⚠️ **Flaw**: The CPU incorrectly allows access to data during **speculative execution** that should be restricted by privilege levels.
🕵️ **Attacker Action**: Local attackers can **abuse speculative execution**. <br>🔓 **Privileges**: No special privileges needed! Unprivileged processes can steal secrets from **privileged processes** (kernel memory).
Q5Is exploitation threshold high? (Auth/Config)
🔓 **Threshold**: **LOW**. <br>📝 **Auth**: Local access is sufficient. No remote exploitation required. <br>⚙️ **Config**: Exploits the fundamental CPU design, not a misconfiguration.