| From | Andi Kleen <> | Subject | [PATCH] [79/106] net: ax25: fix information leak to userland harder | Date | Tue, 26 Apr 2011 14:14:00 -0700 (PDT) |
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2.6.35-longterm review patch. If anyone has any objections, please let me know.
------------------ From: Kees Cook <kees.cook@canonical.com>
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: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Andi Kleen <ak@linux.intel.com>
--- net/ax25/af_ax25.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux-2.6.35.y/net/ax25/af_ax25.c =================================================================== --- linux-2.6.35.y.orig/net/ax25/af_ax25.c +++ linux-2.6.35.y/net/ax25/af_ax25.c @@ -1392,7 +1392,7 @@ static int ax25_getname(struct socket *s ax25_cb *ax25; int err = 0; - memset(fsa, 0, sizeof(fsa)); + memset(fsa, 0, sizeof(*fsa)); lock_sock(sk); ax25 = ax25_sk(sk);
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