CVE - CVE-2016-7422

CVE-ID
CVE-2016-7422	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:92996 URL:http://www.securityfocus.com/bid/92996 MISC:GLSA-201609-01 URL:https://security.gentoo.org/glsa/201609-01 MISC:RHSA-2017:2392 URL:https://access.redhat.com/errata/RHSA-2017:2392 MISC:RHSA-2017:2408 URL:https://access.redhat.com/errata/RHSA-2017:2408 MISC:[oss-security] 20160916 CVE request Qemu: virtio: null pointer dereference in virtqueu_map_desc URL:http://www.openwall.com/lists/oss-security/2016/09/16/4 MISC:[oss-security] 20160916 Re: CVE request Qemu: virtio: null pointer dereference in virtqueu_map_desc URL:http://www.openwall.com/lists/oss-security/2016/09/16/10 MISC:[qemu-devel] 20160915 [PATCH] virtio: add check for descriptor's mapped address URL:https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03546.html MISC:http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=973e7170dddefb491a48df5cba33b2ae151013a0 URL:http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=973e7170dddefb491a48df5cba33b2ae151013a0 MISC:openSUSE-SU-2016:3237 URL:http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
Assigning CNA
Red Hat, Inc.
Date Record Created
20160909	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20160909)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
This is an record on the CVE List, which provides common identifiers for publicly known cybersecurity vulnerabilities.
Search CVE Using Keywords: You can also search by reference using the CVE Reference Maps.
For More Information: CVE Request Web Form (select "Other" from dropdown)