VULNERABILITY OVERVIEW $ ls -1 - PowerPoint PPT Presentation

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VULNERABILITY OVERVIEW ● ● ●

$ ls -1 /sys/devices/system/cpu/vulnerabilities/* /sys/devices/system/cpu/vulnerabilities/meltdown /sys/devices/system/cpu/vulnerabilities/spectre_v 1 /sys/devices/system/cpu/vulnerabilities/spectre_v 2

Userspace vs. Kernelspace Userspace ( e.g. /bin/bash) System Call Interface Operating System (e.g. Linux kernel)

● ○ ● ○ ○ ● echo 0 > /sys/kernel/debug/x86/pti_enabled echo 0 > /sys/kernel/debug/x86/ibrs_enabled echo 0 > /sys/kernel/debug/x86/retp_enabled

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