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| author | Mathias Krause <minipli@googlemail.com> | 2013-03-09 05:52:20 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-03-20 12:58:54 -0700 |
| commit | 3385fcdbf46ec6fbbcefffd41ac10a8c4daafd32 (patch) | |
| tree | 82fd30a23ef568373f23caf241473ea5a971ec9f /net/dcb/dcbnl.c | |
| parent | 2f401a6d4d0bebbb5e80711305d1f4904f192cee (diff) | |
| download | lwn-3385fcdbf46ec6fbbcefffd41ac10a8c4daafd32.tar.gz lwn-3385fcdbf46ec6fbbcefffd41ac10a8c4daafd32.zip | |
rtnl: fix info leak on RTM_GETLINK request for VF devices
[ Upstream commit 84d73cd3fb142bf1298a8c13fd4ca50fd2432372 ]
Initialize the mac address buffer with 0 as the driver specific function
will probably not fill the whole buffer. In fact, all in-kernel drivers
fill only ETH_ALEN of the MAX_ADDR_LEN bytes, i.e. 6 of the 32 possible
bytes. Therefore we currently leak 26 bytes of stack memory to userland
via the netlink interface.
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/dcb/dcbnl.c')
0 files changed, 0 insertions, 0 deletions