zd1211rw: fix NULL-deref at probe

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commit ca260ece6a upstream.

Make sure to check the number of endpoints to avoid dereferencing a
NULL-pointer or accessing memory beyond the endpoint array should a
malicious device lack the expected endpoints.

Fixes: a1030e92c1 ("[PATCH] zd1211rw: Convert installer CDROM device into WLAN device")
Cc: Daniel Drake <dsd@gentoo.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
[bwh: Backported to 3.16: adjust filename]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

...

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Johan Hovold 2017-03-13 13:44:21 +01:00 • committed by Ben Hutchings

parent b1b37565ec

commit 7698ed67de

1 changed files with 3 additions and 0 deletions

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drivers/net/wireless/zd1211rw/zd_usb.c

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