| From | Willy Tarreau <> | Subject | [PATCH 3.10 239/319] mISDN: Fixing missing validation in base_sock_bind() | Date | Sun, 5 Feb 2017 20:21:01 +0100 |
| |
From: Emrah Demir <ed@abdsec.com>
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> --- drivers/isdn/mISDN/socket.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c index 5cefb47..00bd80a 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) { -- 2.8.0.rc2.1.gbe9624a
|