spectre-meltdown-checker
Spectre and Meltdown mitigation detection tool. More information: https://manned.org/spectre-meltdown-checker.
- Check the currently running kernel for Spectre or Meltdown:
sudo spectre-meltdown-checker
- Check the currently running kernel and show an explanation of the actions to take to mitigate a vulnerability:
sudo spectre-meltdown-checker --explain
- Check for specific variants (defaults to all):
sudo spectre-meltdown-checker --variant {{1|2|3|3a|4|l1tf|msbds|mfbds|mlpds|mdsum|taa|mcespc|srbds}}
- Display output using a specific output format:
sudo spectre-meltdown-checker --batch {{text|json|nrpe|prometheus|short}}
- Don't use the
/sys
interface even if present:sudo spectre-meltdown-checker --no-sysfs
- Check a non-running kernel:
sudo spectre-meltdown-checker --kernel {{path/to/kernel_file}}
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