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https://github.com/speed47/spectre-meltdown-checker
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fix: pteinv: don't check kernel image if not available
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@ -1111,6 +1111,7 @@ try_decompress()
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_debug "try_decompress: magic for $3 found at offset $pos"
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if ! command -v "$3" >/dev/null 2>&1; then
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kernel_err="missing '$3' tool, please install it, usually it's in the '$5' package"
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_debug "try_decompress: $kernel_err"
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return 0
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fi
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pos=${pos%%:*}
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@ -1144,6 +1145,7 @@ extract_kernel()
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# Initial attempt for uncompressed images or objects:
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if check_kernel "$1"; then
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_debug "extract_kernel: found kernel is valid, no decompression needed"
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cat "$1" > "$kerneltmp"
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kernel=$kerneltmp
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return 0
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@ -4131,6 +4133,10 @@ check_CVE_2018_3620_linux()
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if [ "$opt_sysfs_only" != 1 ]; then
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_info_nol "* Kernel supports PTE inversion: "
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if ! command -v "${opt_arch_prefix}strings" >/dev/null 2>&1; then
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pstatus yellow UNKNOWN "missing 'strings' tool, please install it"
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pteinv_supported=-1
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elif [ -n "$kernel_err" ]; then
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pstatus yellow UNKNOWN "$kernel_err"
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pteinv_supported=-1
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else
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if "${opt_arch_prefix}strings" "$kernel" | grep -Fq 'PTE Inversion'; then
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