How severe is CVE-2015-5247?

CVE-2015-5247 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2015-5247 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-5247?

CVE-2015-5247 primarily affects Redhat Libvirt. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-5247?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-5247 published?

CVE-2015-5247 was published on 2016-04-14 and last updated on 2026-06-17.

CVE-2015-5247

CVE-2015-5247 is a medium-severity vulnerability in Redhat Libvirt with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Redhat Libvirt
Published: 2016-04-14
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2015-5247?: CVE-2015-5247 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2015-5247 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-5247?: CVE-2015-5247 primarily affects Redhat Libvirt. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-5247?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-5247 published?: CVE-2015-5247 was published on 2016-04-14 and last updated on 2026-06-17.

References

Affected products (10)

cpe:2.3:a:redhat:libvirt:1.2.14:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:1.2.15:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:1.2.16:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:1.2.17:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:1.2.18:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:1.2.19:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*

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