diff --git a/fs/smb/server/auth.c b/fs/smb/server/auth.c
index 4e7b6f0e6b8c..f2100e3ec54c 100644
--- a/fs/smb/server/auth.c
+++ b/fs/smb/server/auth.c
@@ -439,6 +439,7 @@ int ksmbd_krb5_authenticate(struct ksmbd_session *sess, char *in_blob,
 		resp_ext = ksmbd_ipc_login_request_ext(resp->login_response.account);
 
 	user = ksmbd_alloc_user(&resp->login_response, resp_ext);
+	kvfree(resp_ext);
 	if (!user) {
 		ksmbd_debug(AUTH, "login failure\n");
 		retval = -ENOMEM;
diff --git a/fs/smb/server/mgmt/user_config.c b/fs/smb/server/mgmt/user_config.c
index cf45841d9d1b..03184a3303b9 100644
--- a/fs/smb/server/mgmt/user_config.c
+++ b/fs/smb/server/mgmt/user_config.c
@@ -26,6 +26,7 @@ struct ksmbd_user *ksmbd_login_user(const char *account)
 		resp_ext = ksmbd_ipc_login_request_ext(account);
 
 	user = ksmbd_alloc_user(resp, resp_ext);
+	kvfree(resp_ext);
 out:
 	kvfree(resp);
 	return user;