Re: [PATCH] mwifiex: fix potential NULL dereference and use after free

From: Kalle Valo
Date: Thu Dec 13 2018 - 09:54:11 EST


Pan Bian <bianpan2016@xxxxxxx> wrote:

> There are two defects: (1) passing a NULL bss to
> mwifiex_save_hidden_ssid_channels will result in NULL dereference,
> (2) using bss after dropping the reference to it via cfg80211_put_bss.
> To fix them, the patch moves the buggy code to the branch that bss is
> not NULL and puts it before cfg80211_put_bss.
>
> Signed-off-by: Pan Bian <bianpan2016@xxxxxxx>

Patch applied to wireless-drivers-next.git, thanks.

1dcd9429212b mwifiex: fix potential NULL dereference and use after free

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https://patchwork.kernel.org/patch/10704311/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches