CVE-2016-5403

moderate-risk
Published 2016-08-02

The virtqueue_pop function in hw/virtio/virtio.c in QEMU allows local guest OS administrators to cause a denial of service (memory consumption and QEMU process crash) by submitting requests without waiting for completion.

Do I need to act?

-
0.07% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (20)

Affected Vendors

Oracle Debian Canonical Redhat Qemu

References (42)

Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-1585.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-1586.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-1606.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-1607.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-1652.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-1653.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-1654.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-1655.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-1756.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-1763.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-1943.html
Third Party Advisory http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.h...
Third Party Advisory http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.h...
Third Party Advisory http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htm...
Third Party Advisory http://www.securityfocus.com/bid/92148
Third Party Advisory http://www.securitytracker.com/id/1036476
Third Party Advisory http://www.ubuntu.com/usn/USN-3047-1
Third Party Advisory http://www.ubuntu.com/usn/USN-3047-2
Patch http://xenbits.xen.org/xsa/advisory-184.html
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1358359
and 22 more references
42
/ 100
moderate-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 24/34 · High