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openSUSE:Step:15-SP3
u-boot-sinovoipbpim2plus.24614
0019-CVE-nfs-fix-stack-based-buffer-over.patch
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File 0019-CVE-nfs-fix-stack-based-buffer-over.patch of Package u-boot-sinovoipbpim2plus.24614
From f185ad7069f86e90af5fe0a52b698c6e7ce954f1 Mon Sep 17 00:00:00 2001 From: "liucheng (G)" <liucheng32@huawei.com> Date: Thu, 29 Aug 2019 13:47:40 +0000 Subject: [PATCH] CVE: nfs: fix stack-based buffer overflow in some nfs_handler reply helper functions MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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> Reported-by: FermÃn Serna <fermin@semmle.com> Acked-by: Joe Hershberger <joe.hershberger@ni.com> (cherry picked from commit 741a8a08ebe5bc3ccfe3cde6c2b44ee53891af21) Signed-off-by: Matthias Brugger <mbrugger@suse.com> --- net/nfs.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/nfs.c b/net/nfs.c index d6a7f8e827..b7cf3b3a18 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;
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