dect
/
linux-2.6
Archived
13
0
Fork 0
Code Releases Activity

[IPX]: Header length validation needed 

This patch will linearize and check there is enough data.
It handles the pprop case as well as avoiding a whole audit of
the routing code.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger 2006-08-07 20:09:20 -07:00 committed by David S. Miller
parent d14cc9a342
commit 8b5cc5ef40
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
net/ipx/af_ipx.c
View File

@ -1646,7 +1646,8 @@ static int ipx_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_ty
ipx_pktsize = ntohs(ipx->ipx_pktsize);
/* Too small or invalid header? */
if (ipx_pktsize < sizeof(struct ipxhdr) || ipx_pktsize > skb->len)
if (ipx_pktsize < sizeof(struct ipxhdr) ||
!pskb_may_pull(skb, ipx_pktsize))
goto drop;
if (ipx->ipx_checksum != IPX_NO_CHECKSUM &&