diff --git a/drivers/net/team/team_core.c b/drivers/net/team/team_core.c
index dc7cbd6a9798a7b09422c0bb1bf38b74dc113b1e..f4019815f473617708b4e0662b355c7738c64731 100644
--- a/drivers/net/team/team_core.c
+++ b/drivers/net/team/team_core.c
@@ -2639,7 +2639,9 @@ int team_nl_options_set_doit(struct sk_buff *skb, struct genl_info *info)
                                ctx.data.u32_val = nla_get_u32(attr_data);
                                break;
                        case TEAM_OPTION_TYPE_STRING:
-                               if (nla_len(attr_data) > TEAM_STRING_MAX_LEN) {
+                               if (nla_len(attr_data) > TEAM_STRING_MAX_LEN ||
+                                   !memchr(nla_data(attr_data), '\0',
+                                           nla_len(attr_data))) {
                                        err = -EINVAL;
                                        goto team_put;
                                }