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(parent: cac83e5) | patch
net/tun: fix ioctl() based info leaks
authorMathias Krause <minipli@googlemail.com>
Sun, 29 Jul 2012 19:45:14 +0000 (19:45 +0000)
committerDavid S. Miller <davem@davemloft.net>
Mon, 30 Jul 2012 06:18:31 +0000 (23:18 -0700)
commita117dacde0288f3ec60b6e5bcedae8fa37ee0dfc
treec32e1dc90154dbd1ab9e694fee3fa810755b6403tree | snapshot
parentcac83e53917ebc058066eb98023c11fdaa2262dccommit | diff
net/tun: fix ioctl() based info leaks

The tun module leaks up to 36 bytes of memory by not fully initializing
a structure located on the stack that gets copied to user memory by the
TUNGETIFF and SIOCGIFHWADDR ioctl()s.

Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/tun.c diff | blob | blame | history
Michael's Linux tree.