diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index f245169c3026..bc1dfa3398b4 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -1383,8 +1383,16 @@ static int ghes_in_nmi_queue_one_entry(struct ghes *ghes,
 	ghes_clear_estatus(ghes, &tmp_header, buf_paddr, fixmap_idx);
 
 	/* This error has been reported before, don't process it again. */
-	if (ghes_estatus_cached(estatus))
+	if (ghes_estatus_cached(estatus)) {
+		/*
+		 * Return failure on duplicate SEA entries so that the
+		 * subsequent SEA handler invocation sends a SIGBUS signal to
+		 * the task to prevent it from re-entering the handler loop.
+		 */
+		if (is_hest_sync_notify(ghes))
+			rc = -ECANCELED;
 		goto no_work;
+	}
 
 	llist_add(&estatus_node->llnode, &ghes_estatus_llist);