diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 5235f48be1be..67e474ff1a91 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1238,6 +1238,12 @@ static long __tun_chr_ioctl(struct file *file, unsigned int cmd, int vnet_hdr_sz; int ret; +#ifdef CONFIG_ANDROID_PARANOID_NETWORK + if (cmd != TUNGETIFF && !capable(CAP_NET_ADMIN)) { + return -EPERM; + } +#endif + if (cmd == TUNSETIFF || _IOC_TYPE(cmd) == 0x89) if (copy_from_user(&ifr, argp, ifreq_len)) return -EFAULT;