diff mbox

mISDN: Fixing missing validation in base_sock_bind()

Message ID 1460142971-16459-1-git-send-email-ed@abdsec.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Emrah Demir April 8, 2016, 7:16 p.m. UTC 
From: Emrah Demir <ed@abdsec.com>

Add validation code into mISDN/socket.c

Signed-off-by: Emrah Demir <ed@abdsec.com>
---
 drivers/isdn/mISDN/socket.c | 3 +++
 1 file changed, 3 insertions(+)

Comments

David Miller April 14, 2016, 3:01 a.m. UTC | #1 
From: Emrah Demir <ed@abdsec.com>
Date: Fri,  8 Apr 2016 22:16:11 +0300

> From: Emrah Demir <ed@abdsec.com>
> 
> Add validation code into mISDN/socket.c
> 
> Signed-off-by: Emrah Demir <ed@abdsec.com>

Applied, thanks.
diff mbox

Patch

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) {