1 files changed, 47 insertions, 0 deletions
diff --git a/gnu/packages/patches/qemu-CVE-2017-2630.patch b/gnu/packages/patches/qemu-CVE-2017-2630.patch
new file mode 100644
index 0000000000..b154d171f1
--- /dev/null
+++ b/gnu/packages/patches/qemu-CVE-2017-2630.patch
@@ -0,0 +1,47 @@
+Fix CVE-2017-2630:
+
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-2630
+https://lists.gnu.org/archive/html/qemu-devel/2017-02/msg01246.html
+
+Patch copied from upstream source repository:
+
+http://git.qemu-project.org/?p=qemu.git;a=commit;h=2563c9c6b8670400c48e562034b321a7cf3d9a85
+
+From 2563c9c6b8670400c48e562034b321a7cf3d9a85 Mon Sep 17 00:00:00 2001
+From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
+Date: Tue, 7 Mar 2017 09:16:27 -0600
+Subject: [PATCH] nbd/client: fix drop_sync [CVE-2017-2630]
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Comparison symbol is misused. It may lead to memory corruption.
+Introduced in commit 7d3123e.
+
+Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
+Message-Id: <20170203154757.36140-6-vsementsov@virtuozzo.com>
+[eblake: add CVE details, update conditional]
+Signed-off-by: Eric Blake <eblake@redhat.com>
+Reviewed-by: Marc-AndrÃ© Lureau <marcandre.lureau@redhat.com>
+Message-Id: <20170307151627.27212-1-eblake@redhat.com>
+Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
+---
+ nbd/client.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/nbd/client.c b/nbd/client.c
+index 5c9dee37fa..3dc2564cd0 100644
+--- a/nbd/client.c
++++ b/nbd/client.c
+@@ -94,7 +94,7 @@ static ssize_t drop_sync(QIOChannel *ioc, size_t size)
+     char small[1024];
+     char *buffer;
+ 
+-    buffer = sizeof(small) < size ? small : g_malloc(MIN(65536, size));
++    buffer = sizeof(small) >= size ? small : g_malloc(MIN(65536, size));
+     while (size > 0) {
+         ssize_t count = read_sync(ioc, buffer, MIN(65536, size));
+ 
+-- 
+2.12.0
+