From: Emrah Demir <[email protected]> commit b821646826e22f0491708768fccce58eef3f5704 upstream.
Add validation code into mISDN/socket.c Signed-off-by: Emrah Demir <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Willy Tarreau <[email protected]> --- 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
