| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 157/192] rds: fix an infoleak in rds_inc_info_copy | Date | Mon, 12 Sep 2016 19:01:06 +0200 |
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4.4-stable review patch. If anyone has any objections, please let me know.
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From: Kangjie Lu <kangjielu@gmail.com>
commit 4116def2337991b39919f3b448326e21c40e0dbb upstream.
The last field "flags" of object "minfo" is not initialized. Copying this object out may leak kernel stack data. Assign 0 to it to avoid leak.
Signed-off-by: Kangjie Lu <kjlu@gatech.edu> Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Juerg Haefliger <juerg.haefliger@hpe.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- net/rds/recv.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/net/rds/recv.c +++ b/net/rds/recv.c @@ -545,5 +545,7 @@ void rds_inc_info_copy(struct rds_incomi minfo.fport = inc->i_hdr.h_dport; } + minfo.flags = 0; + rds_info_copy(iter, &minfo, sizeof(minfo)); }
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