I seek some reliable ways / tools for checking Spectre and Meltdown system vulnerabilities on Linux?
That are currently the following CVEs:
CVE-2017-5753 [bounds check bypass] aka Spectre Variant 1
CVE-2017-5715 [branch target injection] aka Spectre Variant 2
CVE-2017-5754 [rogue data cache load] aka Meltdown aka Variant 3
CVE-2018-3640 [rogue system register read] aka Variant 3a
CVE-2018-3639 [speculative store bypass] aka Variant 4