Rasmus Villemoes e925e0cd2a ethernet: ucc_geth: fix use-after-free in ucc_geth_remove() ...

ugeth is the netdiv_priv() part of the netdevice. Accessing the memory
pointed to by ugeth (such as done by ucc_geth_memclean() and the two
of_node_puts) after free_netdev() is thus use-after-free.

Fixes: 80a9fad8e8 ("ucc_geth: fix module removal")
Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

2020-12-21 17:29:43 -08:00

118 KiB

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