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(parent: 8687bf9) | patch
staging: rtl8712: Fix possible buffer overflow in r8712_sitesurvey_cmd
authorLee Gibson <leegib@gmail.com>
Mon, 1 Mar 2021 13:26:48 +0000 (13:26 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 10 Mar 2021 08:23:28 +0000 (09:23 +0100)
commitb93c1e3981af19527beee1c10a2bef67a228c48c
tree0fa223f3764b34a5408ed0b45427584c9472df61tree | snapshot
parent8687bf9ef9551bcf93897e33364d121667b1aadfcommit | diff
staging: rtl8712: Fix possible buffer overflow in r8712_sitesurvey_cmd

Function r8712_sitesurvey_cmd calls memcpy without checking the length.
A user could control that length and trigger a buffer overflow.
Fix by checking the length is within the maximum allowed size.

Signed-off-by: Lee Gibson <leegib@gmail.com>
Link: https://lore.kernel.org/r/20210301132648.420296-1-leegib@gmail.com
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/rtl8712/rtl871x_cmd.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git