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.
Advisories
Source ID Title
EUVD EUVD EUVD-2016-8275 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.
Ubuntu USN Ubuntu USN USN-3125-1 QEMU vulnerabilities
Fixes

Solution

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Workaround

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-06T01:57:47.613Z

Reserved: 2016-09-09T00:00:00

Link: CVE-2016-7422

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2016-12-10T00:59:18.687

Modified: 2025-04-12T10:46:40.837

Link: CVE-2016-7422

cve-icon Redhat

Severity : Low

Publid Date: 2016-09-15T00:00:00Z

Links: CVE-2016-7422 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses