diff options
| author | Emrah Demir <ed@abdsec.com> | 2016-04-08 22:16:11 +0300 |
|---|---|---|
| committer | Mister Oyster <oysterized@gmail.com> | 2017-04-11 10:58:38 +0200 |
| commit | 6a0d0edfac893e0a0041a37c5a28d23eada872cb (patch) | |
| tree | aea703540e4bb22181ffa9fc128aefac8106c3bd | |
| parent | ce9208b2adede45bd5c18145b03676b1559832fc (diff) | |
mISDN: Fixing missing validation in base_sock_bind()
commit b821646826e22f0491708768fccce58eef3f5704 upstream.
Add validation code into mISDN/socket.c
Signed-off-by: Emrah Demir <ed@abdsec.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Willy Tarreau <w@1wt.eu>
| -rw-r--r-- | drivers/isdn/mISDN/socket.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c index 5cefb479c..00bd80a63 100644 --- a/drivers/isdn/mISDN/socket.c +++ b/drivers/isdn/mISDN/socket.c @@ -717,6 +717,9 @@ base_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_len) if (!maddr || maddr->family != AF_ISDN) return -EINVAL; + if (addr_len < sizeof(struct sockaddr_mISDN)) + return -EINVAL; + lock_sock(sk); if (_pms(sk)->dev) { |