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-rw-r--r--meta/recipes-bsp/u-boot/files/0007-CVE-2019-14194-14198.patch42
1 files changed, 42 insertions, 0 deletions
diff --git a/meta/recipes-bsp/u-boot/files/0007-CVE-2019-14194-14198.patch b/meta/recipes-bsp/u-boot/files/0007-CVE-2019-14194-14198.patch
new file mode 100644
index 0000000000..b3e3b72ebf
--- /dev/null
+++ b/meta/recipes-bsp/u-boot/files/0007-CVE-2019-14194-14198.patch
@@ -0,0 +1,42 @@
+From fb6dc193bf2685b7574b218f7ca558aa54659e11 Mon Sep 17 00:00:00 2001
+From: "liucheng (G)" <liucheng32@huawei.com>
+Date: Thu, 29 Aug 2019 13:47:48 +0000
+Subject: [PATCH 7/9] 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: Fermín Serna <fermin@semmle.com>
+Acked-by: Joe Hershberger <joe.hershberger@ni.com>
+
+Upstream-Status: Backport[http://git.denx.de/?p=u-boot.git;a=commit;
+ h=aa207cf3a6d68f39d64cd29057a4fb63943e9078]
+
+CVE: CVE-2019-14194 and CVE-2019-14198
+
+Signed-off-by: Meng Li <Meng.Li@windriver.com>
+---
+ net/nfs.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/net/nfs.c b/net/nfs.c
+index b7cf3b3a18..11941fad1a 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;
+
+--
+2.17.1
+