From mboxrd@z Thu Jan 1 00:00:00 1970 From: Emrah Demir Subject: [PATCH] mISDN: Fixing missing validation in base_sock_bind() Date: Fri, 8 Apr 2016 22:16:11 +0300 Message-ID: <1460142971-16459-1-git-send-email-ed@abdsec.com> Cc: netdev@vger.kernel.org, isdn@linux-pingi.de, Emrah Demir To: linux-kernel@vger.kernel.org Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Emrah Demir Add validation code into mISDN/socket.c Signed-off-by: Emrah Demir --- 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 0d29b5a..99e5f97 100644 --- a/drivers/isdn/mISDN/socket.c +++ b/drivers/isdn/mISDN/socket.c @@ -715,6 +715,9 @@ 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.rc3