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enh: use g_mode to explicitly save/load the current running mode

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Stéphane Lesimple
2026-04-10 19:26:46 +02:00
parent f7ba617e16
commit e67c9e4265
24 changed files with 218 additions and 210 deletions
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4
src/vulns/CVE-2022-29900.sh
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@@ -174,7 +174,7 @@ check_CVE_2022_29900_linux() {
# Zen/Zen+/Zen2: check IBPB microcode support and SMT
if [ "$cpu_family" = $((0x17)) ]; then
pr_info_nol "* CPU supports IBPB: "
if [ "$opt_runtime" = 1 ]; then
if [ "$g_mode" = live ]; then
if [ -n "$cap_ibpb" ]; then
pstatus green YES "$cap_ibpb"
else
@@ -217,7 +217,7 @@ check_CVE_2022_29900_linux() {
"doesn't fully protect cross-thread speculation."
elif [ -z "$kernel_unret" ] && [ -z "$kernel_ibpb_entry" ]; then
pvulnstatus "$cve" VULN "Your kernel doesn't have either UNRET_ENTRY or IBPB_ENTRY compiled-in"
elif [ "$smt_enabled" = 0 ] && [ -z "$cap_ibpb" ] && [ "$opt_runtime" = 1 ]; then
elif [ "$smt_enabled" = 0 ] && [ -z "$cap_ibpb" ] && [ "$g_mode" = live ]; then
pvulnstatus "$cve" VULN "SMT is enabled and your microcode doesn't support IBPB"
explain "Update your CPU microcode to get IBPB support, or disable SMT by adding\n" \
"\`nosmt\` to your kernel command line."