staging: rtl8192u: fix ->ssid overflow in r8192_wx_set_scan()

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commit 87107518d7 upstream.

We need to cap len at IW_ESSID_MAX_SIZE (32) to avoid memory corruption.
This can be controlled by the user via the ioctl.

Fixes: 5f53d8ca3d ("Staging: add rtl8192SU wireless usb driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/YEHoAWMOSZBUw91F@mwanda
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Dan Carpenter 2021-03-05 11:12:49 +03:00 • committed by Greg Kroah-Hartman

parent 52feb58f9b

commit 1642b5153b

1 changed files with 4 additions and 2 deletions

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drivers/staging/rtl8192u/r8192U_wx.c

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