-- 1.8.5.6 -----Original Message----- From: liucheng (G) Sent: Wednesday, August 21, 2019 10:48 PM To: u-boot@lists.denx.de Cc: liucheng (G) liucheng32@huawei.com Subject: [PATCH 2/5] CVE: nfs: fix stack-based buffer overflow in some nfs_handler reply helper functions CVE: nfs: fix stack-based buffer overflow in some nfs_handler reply helper functions This patch adds a check to nfs_handler to fix buffer overflow for CVE-2019-14197, CVE-2019-14200, CVE-2019-14201, CVE-2019-14202, CVE-2019-14203 and CVE-2019-14204. Signed-off-by: Cheng Liu liucheng32@huawei.com --- net/nfs.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/nfs.c b/net/nfs.c index d6a7f8e..b7cf3b3 100644 --- a/net/nfs.c +++ b/net/nfs.c @@ -732,6 +732,9 @@ static void nfs_handler(uchar *pkt, unsigned dest, struct in_addr sip, debug("%s\n", __func__); + if (len > sizeof(struct rpc_t)) + return; + if (dest != nfs_our_port) return; -- 1.8.5.6