peter/spectre-meltdown-checker
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spectre-meltdown-checker
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update blacklisted ucode list from kernel source

This commit is contained in:
Stéphane Lesimple 2018-01-31 11:23:30 +01:00
parent f1e18c136f
commit 799ce3eb30
1 changed files with 28 additions and 24 deletions
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52
spectre-meltdown-checker.sh
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@ -649,7 +649,7 @@ is_ucode_blacklisted()
cpu_stepping=$(grep '^stepping' /proc/cpuinfo | awk '{print $3}' | grep -E '^[0-9]+$' | head -1)
cpu_ucode=$(grep '^microcode' /proc/cpuinfo | awk '{print $3}' | head -1)
# now, check each known bad microcode
# source: http://lkml.iu.edu/hypermail/linux/kernel/1801.2/06349.html
# source: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/x86/kernel/cpu/intel.c#n105
INTEL_FAM6_KABYLAKE_DESKTOP=158
INTEL_FAM6_KABYLAKE_MOBILE=142
INTEL_FAM6_SKYLAKE_X=85
@ -665,31 +665,34 @@ is_ucode_blacklisted()
INTEL_FAM6_BROADWELL_XEON_D=86
INTEL_FAM6_BROADWELL_GT3E=71
INTEL_FAM6_BROADWELL_X=79
INTEL_FAM6_ATOM_GEMINI_LAKE=122
INTEL_FAM6_SANDYBRIDGE_X=45
# model,stepping,microcode
set -u
for tuple in \
$INTEL_FAM6_KABYLAKE_DESKTOP,0x0B,0x80 \
$INTEL_FAM6_KABYLAKE_MOBILE,0x0A,0x80 \
$INTEL_FAM6_KABYLAKE_MOBILE,0x09,0x80 \
$INTEL_FAM6_KABYLAKE_DESKTOP,0x09,0x80 \
$INTEL_FAM6_SKYLAKE_X,0x04,0x0200003C \
$INTEL_FAM6_SKYLAKE_MOBILE,0x03,0x000000C2 \
$INTEL_FAM6_SKYLAKE_DESKTOP,0x03,0x000000C2 \
$INTEL_FAM6_BROADWELL_CORE,0x04,0x28 \
$INTEL_FAM6_BROADWELL_GT3E,0x01,0x0000001B \
$INTEL_FAM6_HASWELL_ULT,0x01,0x21 \
$INTEL_FAM6_HASWELL_GT3E,0x01,0x18 \
$INTEL_FAM6_HASWELL_CORE,0x03,0x23 \
$INTEL_FAM6_IVYBRIDGE_X,0x04,0x42a \
$INTEL_FAM6_HASWELL_X,0x02,0x3b \
$INTEL_FAM6_HASWELL_X,0x04,0x10 \
$INTEL_FAM6_HASWELL_CORE,0x03,0x23 \
$INTEL_FAM6_BROADWELL_XEON_D,0x02,0x14 \
$INTEL_FAM6_BROADWELL_XEON_D,0x03,0x7000011 \
$INTEL_FAM6_BROADWELL_GT3E,0x01,0x0000001B \
$INTEL_FAM6_BROADWELL_X,0x01,0x0b000025 \
$INTEL_FAM6_KABYLAKE_DESKTOP,0x09,0x80 \
$INTEL_FAM6_SKYLAKE_X,0x03,0x100013e \
$INTEL_FAM6_SKYLAKE_X,0x04,0x200003c
$INTEL_FAM6_KABYLAKE_DESKTOP,0x0B,0x84 \
$INTEL_FAM6_KABYLAKE_DESKTOP,0x0A,0x84 \
$INTEL_FAM6_KABYLAKE_DESKTOP,0x09,0x84 \
$INTEL_FAM6_KABYLAKE_MOBILE,0x0A,0x84 \
$INTEL_FAM6_KABYLAKE_MOBILE,0x09,0x84 \
$INTEL_FAM6_SKYLAKE_X,0x03,0x0100013e \
$INTEL_FAM6_SKYLAKE_X,0x04,0x0200003c \
$INTEL_FAM6_SKYLAKE_MOBILE,0x03,0xc2 \
$INTEL_FAM6_SKYLAKE_DESKTOP,0x03,0xc2 \
$INTEL_FAM6_BROADWELL_CORE,0x04,0x28 \
$INTEL_FAM6_BROADWELL_GT3E,0x01,0x1b \
$INTEL_FAM6_BROADWELL_XEON_D,0x02,0x14 \
$INTEL_FAM6_BROADWELL_XEON_D,0x03,0x07000011 \
$INTEL_FAM6_BROADWELL_X,0x01,0x0b000025 \
$INTEL_FAM6_HASWELL_ULT,0x01,0x21 \
$INTEL_FAM6_HASWELL_GT3E,0x01,0x18 \
$INTEL_FAM6_HASWELL_CORE,0x03,0x23 \
$INTEL_FAM6_HASWELL_X,0x02,0x3b \
$INTEL_FAM6_HASWELL_X,0x04,0x10 \
$INTEL_FAM6_IVYBRIDGE_X,0x04,0x42a \
$INTEL_FAM6_ATOM_GEMINI_LAKE,0x01,0x22 \
$INTEL_FAM6_SANDYBRIDGE_X,0x06,0x61b \
$INTEL_FAM6_SANDYBRIDGE_X,0x07,0x712
do
model=$(echo $tuple | cut -d, -f1)
stepping=$(( $(echo $tuple | cut -d, -f2) ))
@ -700,6 +703,7 @@ is_ucode_blacklisted()
return 0
fi
done
set +u
_debug "is_ucode_blacklisted: no ($cpu_model/$cpu_stepping/$cpu_ucode)"
return 1
}