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is_cpu_vulnerable: add check for old Atoms

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This commit is contained in:
Stéphane Lesimple 2018-01-14 15:10:39 +01:00
parent d96093171a
commit 704e54019a
1 changed files with 10 additions and 1 deletions
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11
spectre-meltdown-checker.sh
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@ -163,7 +163,15 @@ is_cpu_vulnerable()
variant2=0
variant3=0
if grep -q AMD /proc/cpuinfo; then
if grep -q GenuineIntel /proc/cpuinfo; then
# Intel
# Old Atoms are not vulnerable to spectre 2 nor meltdown
# https://security-center.intel.com/advisory.aspx?intelid=INTEL-SA-00088&languageid=en-fr
if grep -qE '^model name.+ Atom\(TM\) CPU +(S|D|N|230|330)' /proc/cpuinfo; then
variant2=1
variant3=1
fi
elif grep -q AuthenticAMD /proc/cpuinfo; then
# AMD revised their statement about variant2 => vulnerable
# https://www.amd.com/en/corporate/speculative-execution
variant3=1
@ -185,6 +193,7 @@ is_cpu_vulnerable()
# armv8 vulnerable chips
:
else
# others are not vulnerable
variant1=1
variant2=1
fi