]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
ipv4: fix a potential use after free in ip_tunnel_core.c
authorLi RongQing <roy.qing.li@gmail.com>
Fri, 17 Oct 2014 08:53:23 +0000 (16:53 +0800)
committerJiri Slaby <jslaby@suse.cz>
Wed, 5 Nov 2014 09:03:21 +0000 (10:03 +0100)
commit690050bfb427bd2191188d032ad6bac5f277bafd
tree0f0a00ad464ad7f8739c3ba1b61c3ca659cfe3cd
parent4cb545d54ca5815e9a2d56daef266a39096e6157
ipv4: fix a potential use after free in ip_tunnel_core.c

[ Upstream commit 1245dfc8cadb258386fcd27df38215a0eccb1f17 ]

pskb_may_pull() maybe change skb->data and make eth pointer oboslete,
so set eth after pskb_may_pull()

Fixes:3d7b46cd("ip_tunnel: push generic protocol handling to ip_tunnel module")
Cc: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Acked-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/ip_tunnel_core.c