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fix(cpu): Pentium Exxxx series are not vulnerable

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Pentium E series are not in the vulnerable list from
Intel, and Spectre2 PoC reportedly doesn't work on
an E5200
This commit is contained in:
Stéphane Lesimple 2018-01-21 13:28:42 +01:00
parent b3b7f634e6
commit 0aa5857a76
1 changed files with 6 additions and 1 deletions
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7
spectre-meltdown-checker.sh
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@ -205,7 +205,12 @@ is_cpu_vulnerable()
# model name : Genuine Intel(R) CPU N270 @ 1.60GHz # model name : Genuine Intel(R) CPU N270 @ 1.60GHz
# model name : Intel(R) Atom(TM) CPU N270 @ 1.60GHz # model name : Intel(R) Atom(TM) CPU N270 @ 1.60GHz
# model name : Intel(R) Atom(TM) CPU 330 @ 1.60GHz # model name : Intel(R) Atom(TM) CPU 330 @ 1.60GHz
if grep -qE '^model name.+ Intel\(R\) (Atom\(TM\) CPU +(S|D|N|230|330)|CPU N[0-9]{3} )' /proc/cpuinfo; then #
# https://github.com/crozone/SpectrePoC/issues/1 ^F E5200:
# model name : Pentium(R) Dual-Core CPU E5200 @ 2.50GHz
if grep -qE -e '^model name.+ Intel\(R\) (Atom\(TM\) CPU +(S|D|N|230|330)|CPU N[0-9]{3} )' \
-e '^model name.+ Pentium\(R\) Dual-Core[[:space:]]+CPU[[:space:]]+E[0-9]{4}K? ' \
/proc/cpuinfo; then
variant1=vuln variant1=vuln
[ -z "$variant2" ] && variant2=immune [ -z "$variant2" ] && variant2=immune
[ -z "$variant3" ] && variant3=immune [ -z "$variant3" ] && variant3=immune