iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

net/appletalk: Fix kernel memory disclosure

Browse Source 
ipddp_route structs contain alignment padding so kernel heap memory
is leaked when they are copied to user space in
ipddp_ioctl(SIOCFINDIPDDPRT). Change kmalloc() to kzalloc() to clear
that memory.

Signed-off-by: Vlad Tsyrklevich <vlad@tsyrklevich.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vlad Tsyrklevich 2017-01-09 20:57:48 +07:00 committed by David S. Miller
parent b007f09072
commit ce7e40c432
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/appletalk/ipddp.c
View File

@ -190,7 +190,7 @@ static netdev_tx_t ipddp_xmit(struct sk_buff *skb, struct net_device *dev)
*/
static int ipddp_create(struct ipddp_route *new_rt)
{
struct ipddp_route *rt = kmalloc(sizeof(*rt), GFP_KERNEL);
struct ipddp_route *rt = kzalloc(sizeof(*rt), GFP_KERNEL);
if (rt == NULL)
return -ENOMEM;