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enh: guard x86/arm specific checks in kernel/cpu for the proper arch

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This commit is contained in:
Stéphane Lesimple
2026-04-10 18:37:32 +02:00
parent e110706df8
commit f7ba617e16
20 changed files with 874 additions and 693 deletions
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10
src/vulns/CVE-2022-40982.sh
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@@ -119,17 +119,17 @@ check_CVE_2022_40982_linux() {
kernel_gds_err=''
if [ -n "$g_kernel_err" ]; then
kernel_gds_err="$g_kernel_err"
elif grep -q 'gather_data_sampling' "$g_kernel"; then
elif is_x86_kernel && grep -q 'gather_data_sampling' "$g_kernel"; then
kernel_gds="found gather_data_sampling in kernel image"
fi
if [ -z "$kernel_gds" ] && [ -r "$opt_config" ]; then
if [ -z "$kernel_gds" ] && is_x86_kernel && [ -r "$opt_config" ]; then
if grep -q '^CONFIG_GDS_FORCE_MITIGATION=y' "$opt_config" ||
grep -q '^CONFIG_MITIGATION_GDS_FORCE=y' "$opt_config" ||
grep -q '^CONFIG_MITIGATION_GDS=y' "$opt_config"; then
kernel_gds="GDS mitigation config option found enabled in kernel config"
fi
fi
if [ -z "$kernel_gds" ] && [ -n "$opt_map" ]; then
if [ -z "$kernel_gds" ] && is_x86_kernel && [ -n "$opt_map" ]; then
if grep -q 'gds_select_mitigation' "$opt_map"; then
kernel_gds="found gds_select_mitigation in System.map"
fi
@@ -152,10 +152,10 @@ check_CVE_2022_40982_linux() {
if [ "$dmesgret" -eq 0 ]; then
kernel_avx_disabled="AVX disabled by the kernel (dmesg)"
pstatus green YES "$kernel_avx_disabled"
elif [ "$cap_avx2" = 0 ]; then
elif [ "$cap_avx2" = 0 ] && is_x86_cpu; then
# Find out by ourselves
# cpuinfo says we don't have AVX2, query
# the CPU directly about AVX2 support
# the CPU directly about AVX2 support (x86-only)
read_cpuid 0x7 0x0 "$EBX" 5 1 1
ret=$?
if [ "$ret" -eq "$READ_CPUID_RET_OK" ]; then