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CVE-2016-7422

nvd nist
Published: Dec 10, 2016Modified: May 6, 2026

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6.0
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Exploitability: 1.5 / Impact: 4.0
Source: NVD

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 (9)

Qemu
1 product
Qemu
Opensuse
1 product
Leap
Redhat
2 products
Openstack
Virtualization
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Qemu
Up to 2.7.1
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Leap
Version 42.2
Configuration C
6 vulnerable
Vulnerable SoftwareAffected Versions
Redhat
Openstack
Version 10
Openstack
Version 11
Openstack
Version 6.0
Openstack
Version 7.0
Openstack
Version 8
Openstack
Version 9
Configuration D
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Virtualization
Version 4.0
Running on/withPlatform Versions
Redhat
Enterprise Linux
Version 7.0

Related CWEs

CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References (18)

Source: secalert@redhat.com
Source: secalert@redhat.com
Mailing ListThird Party Advisory
Source: secalert@redhat.com
Mailing ListThird Party Advisory
Source: secalert@redhat.com
Mailing ListThird Party Advisory
Source: secalert@redhat.com
Third Party AdvisoryVDB Entry
Source: secalert@redhat.com
Third Party Advisory
Source: secalert@redhat.com
Third Party Advisory
Source: secalert@redhat.com
PatchThird Party Advisory
Source: secalert@redhat.com
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.