RE: [EXT] [PATCH] mwifiex: Fix three heap overflow at parsing element in cfg80211_ap_settings

[Ganapathi Bhat <gbhat@xxxxxxxxxxx>]

Hi Wen Huang,

> mwifiex_update_vs_ie(),mwifiex_set_uap_rates() and
> mwifiex_set_wmm_params() call memcpy() without checking the destination
> size.Since the source is given from user-space, this may trigger a heap buffer
> overflow.
> 
> Fix them by putting the length check before performing memcpy().
> 
> This fix addresses CVE-2019-14814,CVE-2019-14815,CVE-2019-14816.

Thanks for the fix, this change looks good;

Acked-by: Ganapathi Bhat <gbhat@xxxxxxxxxxxx>

Regards,
Ganapathi