I noticed two Gentoo systems (Intel & AMD) running kernel 4.14.23 show:
cat /sys/devices/system/cpu/vulnerabilities/spectre_v1 Mitigation: __user pointer sanitization However, a Mint VM running kernel 4.13.0-36 shows: cat /sys/devices/system/cpu/vulnerabilities/spectre_v1 Mitigation: OSB (observable speculation barrier, Intel v6) Why would there be this difference and what does it mean? -- Regards, Mick
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