What is CVE-2015-5247?

CVE-2015-5247 is a medium-severity vulnerability in Canonical Ubuntu Linux, classified under Improper Access Control. CVSS score: 6.5/10. Published 2016-04-14.

How severe is CVE-2015-5247?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Canonical Ubuntu Linux

CVE-2015-5247

The virStorageVolCreateXML API in libvirt 1.2.14 through 1.2.19 allows remote authenticated users with a read-write connection to cause a denial of service (libvirtd crash) by triggering a failed unlink after creating a volume on a root_squash NFS pool.

Published 2016-04-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.014 (70.9th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Canonical Ubuntu Linux — versions 12.04, 14.04, 15.04
Red Hat Libvirt — versions 1.2.14, 1.2.15, 1.2.16

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

security.libvirt.org/2015/0003.html (Vendor Advisory)
www.ubuntu.com/usn/USN-2867-1 (vendor-advisory)

Frequently asked questions

What is CVE-2015-5247?: CVE-2015-5247 is a medium-severity vulnerability in Canonical Ubuntu Linux, classified under Improper Access Control. CVSS score: 6.5/10. Published 2016-04-14.
How severe is CVE-2015-5247?: Medium severity. CVSS v3 base score is 6.5 out of 10.