staging: rtl8723au: Fix buffer overflow in rtw_get_wfd_ie()

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Add bounds checking to not allow WFD Information Elements larger than
128, and make sure we use the correct buffer size MAX_WFD_IE_LEN
instea of hardcoding the size.

This also simplifies rtw_get_wfd_ie() by using the cfg80211
infrastructure.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Jes Sorensen 2014-04-15 19:43:20 +02:00 • committed by Greg Kroah-Hartman

parent 14e6e35d04

commit f5d197b614

4 changed files with 16 additions and 38 deletions

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46

drivers/staging/rtl8723au/core/rtw_ieee80211.c

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2

drivers/staging/rtl8723au/core/rtw_mlme_ext.c

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4

drivers/staging/rtl8723au/core/rtw_p2p.c

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2

drivers/staging/rtl8723au/core/rtw_wlan_util.c

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