]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
net: ti: fix UAF in tlan_remove_one
authorPavel Skripkin <paskripkin@gmail.com>
Fri, 9 Jul 2021 14:58:29 +0000 (17:58 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 28 Jul 2021 07:12:34 +0000 (09:12 +0200)
commita18a8d9cfbb112ad72e625372849adc3986fd6bf
tree2c3902f1c2b7502168348820f95303e15b798c2b
parent001e04bd5d48444917e7c3261d01e391803fcb55
net: ti: fix UAF in tlan_remove_one

commit 0336f8ffece62f882ab3012820965a786a983f70 upstream.

priv is netdev private data and it cannot be
used after free_netdev() call. Using priv after free_netdev()
can cause UAF bug. Fix it by moving free_netdev() at the end of the
function.

Fixes: 1e0a8b13d355 ("tlan: cancel work at remove path")
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/net/ethernet/ti/tlan.c