| From | Paul Gortmaker <> | Subject | [34-longterm 079/196] net: ax25: fix information leak to userland harder | Date | Mon, 12 Mar 2012 20:19:52 -0400 |
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From: Kees Cook <kees.cook@canonical.com>
------------------- This is a commit scheduled for the next v2.6.34 longterm release. If you see a problem with using this for longterm, please comment. -------------------
commit 5b919f833d9d60588d026ad82d17f17e8872c7a9 upstream.
Commit fe10ae53384e48c51996941b7720ee16995cbcb7 adds a memset() to clear the structure being sent back to userspace, but accidentally used the wrong size.
Reported-by: Brad Spengler <spender@grsecurity.net> Signed-off-by: Kees Cook <kees.cook@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> --- net/ax25/af_ax25.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index eb100ce..12c350c 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -1392,7 +1392,7 @@ static int ax25_getname(struct socket *sock, struct sockaddr *uaddr, ax25_cb *ax25; int err = 0; - memset(fsa, 0, sizeof(fsa)); + memset(fsa, 0, sizeof(*fsa)); lock_sock(sk); ax25 = ax25_sk(sk); -- 1.7.9.3
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