CVE ID:	CVE-2016-7422
Description:	The virtqueue_map_desc function in hw/virtio/virtio.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via a large I/O descriptor buffer length value.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2016-7422 92996 http://www.securityfocus.com/bid/92996 GLSA-201609-01 https://security.gentoo.org/glsa/201609-01 RHSA-2017:2392 https://access.redhat.com/errata/RHSA-2017:2392 RHSA-2017:2408 https://access.redhat.com/errata/RHSA-2017:2408 [oss-security] 20160916 CVE request Qemu: virtio: null pointer dereference in virtqueu_map_desc http://www.openwall.com/lists/oss-security/2016/09/16/4 [oss-security] 20160916 Re: CVE request Qemu: virtio: null pointer dereference in virtqueu_map_desc http://www.openwall.com/lists/oss-security/2016/09/16/10 [qemu-devel] 20160915 [PATCH] virtio: add check for descriptor's mapped address https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03546.html http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=973e7170dddefb491a48df5cba33b2ae151013a0 http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=973e7170dddefb491a48df5cba33b2ae151013a0 openSUSE-SU-2016:3237 http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html