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| author | Vasiliy Kulikov <segooon@gmail.com> | 2010-10-30 18:26:21 +0400 |
|---|---|---|
| committer | Gustavo F. Padovan <padovan@profusion.mobi> | 2010-12-02 02:04:35 +0300 |
| commit | 5520d20f68310fc158dcbbecfd5eac5cdfc5a241 (patch) | |
| tree | 05b0f420d0634bd98e80ed58618e9b03917e08a1 | |
| parent | 127178d24c7eb2df53b1ba2b6f6f743e88178a1b (diff) | |
| download | linux-5520d20f68310fc158dcbbecfd5eac5cdfc5a241.tar.xz | |
Bluetooth: bnep: fix information leak to userland
Structure bnep_conninfo is copied to userland with the field "device"
that has the last elements unitialized. It leads to leaking of
contents of kernel stack memory.
Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| -rw-r--r-- | net/bluetooth/bnep/core.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c index f10b41fb05a0..5868597534e5 100644 --- a/net/bluetooth/bnep/core.c +++ b/net/bluetooth/bnep/core.c @@ -648,6 +648,7 @@ int bnep_del_connection(struct bnep_conndel_req *req) static void __bnep_copy_ci(struct bnep_conninfo *ci, struct bnep_session *s) { + memset(ci, 0, sizeof(*ci)); memcpy(ci->dst, s->eh.h_source, ETH_ALEN); strcpy(ci->device, s->dev->name); ci->flags = s->flags; |