]> git.itanic.dy.fi Git - linux-stable/commit
staging: rtl8712: fix use after free bugs
authorDan Carpenter <dan.carpenter@oracle.com>
Tue, 30 Aug 2022 14:55:07 +0000 (17:55 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 30 Aug 2022 15:15:16 +0000 (17:15 +0200)
commite230a4455ac3e9b112f0367d1b8e255e141afae0
tree4c486f2019380b7b393e4021f383edee654021ef
parente01f5c8d6af231b3b09e23c1fe8a4057cdcc4e42
staging: rtl8712: fix use after free bugs

_Read/Write_MACREG callbacks are NULL so the read/write_macreg_hdl()
functions don't do anything except free the "pcmd" pointer.  It
results in a use after free.  Delete them.

Fixes: 2865d42c78a9 ("staging: r8712u: Add the new driver to the mainline kernel")
Cc: stable <stable@kernel.org>
Reported-by: Zheng Wang <hackerzheng666@gmail.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/Yw4ASqkYcUhUfoY2@kili
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/rtl8712/rtl8712_cmd.c