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.

References

https://security.gentoo.org/glsa/201609-01

https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03546.html

https://access.redhat.com/errata/RHSA-2017:2408

https://access.redhat.com/errata/RHSA-2017:2392

http://www.securityfocus.com/bid/92996

http://www.openwall.com/lists/oss-security/2016/09/16/4

http://www.openwall.com/lists/oss-security/2016/09/16/10

http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html

http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=973e7170dddefb491a48df5cba33b2ae151013a0

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3