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Date: Tue, 11 Jan 2011 21:40:22 -0800 From: Kees Cook <kees.cook@...onical.com> To: linux-kernel@...r.kernel.org Cc: Brad Spengler <spender@...ecurity.net>, Vasiliy Kulikov <segooon@...il.com>, "David S. Miller" <davem@...emloft.net>, "netdev@...r.kernel.org Joerg Reuter" <jreuter@...na.de>, Ralf Baechle <ralf@...ux-mips.org> Subject: [PATCH] net: ax25: fix information leak to userland harder 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@...ecurity.net> Signed-off-by: Kees Cook <kees.cook@...onical.com> Cc: stable@...nel.org --- net/ax25/af_ax25.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index bb86d29..6da5dae 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); -- 1.7.2.3 -- Kees Cook Ubuntu Security Team -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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