Re: [PATCH] net: qcom/emac: fix UAF in emac_remove

On Sat, 10 Jul 2021 00:02:26 -0500
Timur Tabi [off-list ref] wrote:

On Fri, Jul 9, 2021 at 9:24 AM Pavel Skripkin [off-list ref]
wrote:

quoted

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

Please spell out what "UAF" means, thanks.  If you fix that, then

Acked-by: Timur Tabi <timur@kernel.org>

Thanks.

Hi, Timur!

Thank you for feedback. 


David has already applied this pacth. So, should I send v2 or maybe
revert + v2? I haven't been in such situations yet :)




With regards,
Pavel Skripkin