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openSUSE:Step:15
u-boot-sinovoipbpim2plus.25181
0016-CVE-2019-14194-CVE-2019-14198-nfs-f.patch
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File 0016-CVE-2019-14194-CVE-2019-14198-nfs-f.patch of Package u-boot-sinovoipbpim2plus.25181
From 87b9290fd153046b293782832aeadd2024c427d1 Mon Sep 17 00:00:00 2001 From: "liucheng (G)" <liucheng32@huawei.com> Date: Thu, 29 Aug 2019 13:47:48 +0000 Subject: [PATCH] CVE-2019-14194/CVE-2019-14198: nfs: fix unbounded memcpy with a failed length check at nfs_read_reply MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This patch adds a check to rpc_pkt.u.reply.data at nfs_read_reply. 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 aa207cf3a6d68f39d64cd29057a4fb63943e9078) 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 f96e145259..b981104e9d 100644 --- a/net/nfs.c +++ b/net/nfs.c @@ -701,6 +701,9 @@ static int nfs_read_reply(uchar *pkt, unsigned len) &(rpc_pkt.u.reply.data[4 + nfsv3_data_offset]); } + if (((uchar *)&(rpc_pkt.u.reply.data[0]) - (uchar *)(&rpc_pkt) + rlen) > len) + return -9999; + if (store_block(data_ptr, nfs_offset, rlen)) return -9999;
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