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path: root/drivers/net/tun.c
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Diffstat (limited to 'drivers/net/tun.c')
-rw-r--r--drivers/net/tun.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 582497103fe8..aeff706f1634 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1898,6 +1898,12 @@ 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 || cmd == TUNSETQUEUE || _IOC_TYPE(cmd) == 0x89) {
if (copy_from_user(&ifr, argp, ifreq_len))
return -EFAULT;