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| author | Mathias Krause <minipli@googlemail.com> | 2013-03-09 05:52:21 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-03-20 13:10:59 -0700 |
| commit | 451b3450126c02c195c6db7862fe0b39fa6e3fc2 (patch) | |
| tree | b49b373afd20286480176ae5435582ed42d81e25 /net/unix/sysctl_net_unix.c | |
| parent | a9583a88379d8fd8b83ac002f77f6c518038ebc9 (diff) | |
dcbnl: fix various netlink info leaks
[ Upstream commit 29cd8ae0e1a39e239a3a7b67da1986add1199fc0 ]
The dcb netlink interface leaks stack memory in various places:
* perm_addr[] buffer is only filled at max with 12 of the 32 bytes but
copied completely,
* no in-kernel driver fills all fields of an IEEE 802.1Qaz subcommand,
so we're leaking up to 58 bytes for ieee_ets structs, up to 136 bytes
for ieee_pfc structs, etc.,
* the same is true for CEE -- no in-kernel driver fills the whole
struct,
Prevent all of the above stack info leaks by properly initializing the
buffers/structures involved.
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/unix/sysctl_net_unix.c')
0 files changed, 0 insertions, 0 deletions