diff --git a/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c b/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c
index 8f63694da897..ee2e1ec1b103 100644
--- a/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c
+++ b/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c
@@ -658,6 +658,9 @@ static long isst_if_core_power_state(void __user *argp)
 
 #define SST_MAX_CLOS			3
 
+#define SST_MAX_FREQ			0xff
+#define SST_CLOS_MAX_PRIORITY		0x0f
+
 static long isst_if_clos_param(void __user *argp)
 {
 	struct tpmi_per_power_domain_info *power_domain_info;
@@ -677,6 +680,15 @@ static long isst_if_clos_param(void __user *argp)
 		if (power_domain_info->write_blocked || !capable(CAP_SYS_ADMIN))
 			return -EPERM;
 
+		if (!in_range(clos_param.min_freq_mhz / SST_MUL_FACTOR_FREQ, 0, SST_MAX_FREQ + 1))
+			return -EINVAL;
+
+		if (!in_range(clos_param.max_freq_mhz / SST_MUL_FACTOR_FREQ, 0, SST_MAX_FREQ + 1))
+			return -EINVAL;
+
+		if (!in_range(clos_param.prop_prio, 0, SST_CLOS_MAX_PRIORITY + 1))
+			return -EINVAL;
+
 		_write_cp_info("clos.min_freq", clos_param.min_freq_mhz,
 			       (SST_CLOS_CONFIG_0_OFFSET + clos_param.clos * SST_REG_SIZE),
 			       SST_CLOS_CONFIG_MIN_START, SST_CLOS_CONFIG_MIN_WIDTH,