Resource exhaustion in Oracle Linux
CVE-2016-5403
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.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (41.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Oracle Linux — versions 5, 6, 7
- Oracle Vm Server — versions 3.4
- Qemu — versions 2.7.0
- Canonical Ubuntu Linux — versions 12.04, 14.04, 16.04
- Debian Linux — versions 8.0
- Red Hat Enterprise Linux Desktop — versions 6.0, 7.0
- Red Hat Enterprise Linux Server — versions 6.0, 7.0
- Red Hat Enterprise Linux Server Aus — versions 7.2, 7.3, 7.4
- Red Hat Enterprise Linux Server Eus — versions 7.2, 7.3, 7.4
- Red Hat Enterprise Linux Server Tus — versions 7.2, 7.3, 7.6
Weakness classification (CWE)
References
- www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html (Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2016-1756.html (vendor-advisory, Third Party Advisory)
- xenbits.xen.org/xsa/advisory-184.html (Patch, Third Party Advisory)
- www.ubuntu.com/usn/USN-3047-1 (vendor-advisory, Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2016-1655.html (vendor-advisory, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- rhn.redhat.com/errata/RHSA-2016-1763.html (vendor-advisory, Third Party Advisory)
- www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html (Third Party Advisory)
- www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html (Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2016-1585.html (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-5403?
- CVE-2016-5403 is a medium-severity vulnerability in Oracle Linux, classified under Uncontrolled Resource Consumption. CVSS score: 5.5/10. Published 2016-08-02.
- How severe is CVE-2016-5403?
- Medium severity. CVSS v3 base score is 5.5 out of 10.