vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2016-7422

MEDIUM
6
CVSS Score
Published: December 10, 2016 at 12:00 AM UTC
Updated: June 17, 2026 at 12:53 AM UTC
5 products affected across 3 vendorsLeapQEMUOpenStack

Using N/A by N/A?

Get instant alerts when new vulnerabilities affect N/A - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
MEDIUM6
Exploit prediction
EPSS 0.4%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Leap· openSUSEdrupal
95%
42.2
QEMU· Qemu
95%
v ≤ 2.7.1
OpenStack· Red Hatdrupal
95%
10116.07.089
Virtualization· Red Hatrpm
95%
4.0
redhat-enterprise-linux (environment)
Enterprise Linux· Red Hatrpmdevice
80%
All versions

References (9)

x_refsource_CONFIRM
Source: [email protected]
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=973e7170dddefb491a48df5cba33b2ae151013a0
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2016/09/16/10
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2016/09/16/4
VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/92996
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2017:2392
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2017:2408
Mailing Listx_refsource_MLISTPatchThird Party Advisory
Source: [email protected]
https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03546.html

CVSS

6MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-120

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card