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1c793775ba
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@ -2,16 +2,12 @@ Spectre & Meltdown Checker
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==========================
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A shell script to tell if your system is vulnerable against the several "speculative execution" CVEs that were made public in 2018.
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This includes:
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- CVE-2017-5753 aka Spectre Variant 1
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- CVE-2017-5715 aka Spectre Variant 2
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- CVE-2017-5754 aka Meltdown or Variant 3
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- CVE-2018-3640 aka Variant 3a
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- CVE-2018-3639 aka Variant 4
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**Note: as CVE-2018-3639 and CVE-2018-3640 are extremely recent (published on May 21th 2018), expect frequent changes of the script in the next days to adjust detection.**
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Supported operating systems:
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- Linux (all versions, flavors and distros)
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- BSD (FreeBSD, NetBSD, DragonFlyBSD)
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@ -124,6 +124,8 @@ opt_verbose=1
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opt_variant1=0
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opt_variant2=0
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opt_variant3=0
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opt_variant3a=0
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opt_variant4=0
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opt_allvariants=1
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opt_no_sysfs=0
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opt_sysfs_only=0
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@ -532,7 +534,7 @@ while [ -n "$1" ]; do
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shift
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elif [ "$1" = "--variant" ]; then
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if [ -z "$2" ]; then
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echo "$0: error: option --variant expects a parameter (1, 2 or 3)" >&2
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echo "$0: error: option --variant expects a parameter (1, 2, 3, 3a or 4)" >&2
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exit 255
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fi
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case "$2" in
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