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Groups > linux.kernel > #1411380
| From | Kangjie Lu <kangjielu@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH] net: fix potential infoleak in rds_inc_info_copy |
| Date | 2016-06-01 18:20 +0200 |
| Message-ID | <rFh2a-2cp-35@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
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> --- net/rds/recv.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/rds/recv.c b/net/rds/recv.c index c0be1ec..8413f6c 100644 --- a/net/rds/recv.c +++ b/net/rds/recv.c @@ -561,5 +561,7 @@ void rds_inc_info_copy(struct rds_incoming *inc, minfo.fport = inc->i_hdr.h_dport; } + minfo.flags = 0; + rds_info_copy(iter, &minfo, sizeof(minfo)); } -- 2.7.4
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[PATCH] net: fix potential infoleak in rds_inc_info_copy Kangjie Lu <kangjielu@gmail.com> - 2016-06-01 18:20 +0200 Re: [PATCH] net: fix potential infoleak in rds_inc_info_copy David Miller <davem@davemloft.net> - 2016-06-02 08:40 +0200
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