How severe is CVE-2013-6457?

CVE-2013-6457 has a CVSS 2.0 base score of 5.2, rated medium severity.

Is CVE-2013-6457 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-6457?

CVE-2013-6457 primarily affects Redhat Libvirt. In total, 110 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-6457?

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

When was CVE-2013-6457 published?

CVE-2013-6457 was published on 2014-01-24 and last updated on 2026-06-17.

CVE-2013-6457

CVE-2013-6457 is a medium-severity vulnerability in Redhat Libvirt with a CVSS 2.0 base score of 5.2. 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-264.

Key facts

Severity: Medium (CVSS 2.0 base score 5.2)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Redhat Libvirt
Published: 2014-01-24
Last modified: 2026-06-17

Description

The libxlDomainGetNumaParameters function in the libxl driver (libxl/libxl_driver.c) in libvirt before 1.2.1 does not properly initialize the nodemap, which allows local users to cause a denial of service (invalid free operation and crash) or possibly execute arbitrary code via an inactive domain to the virsh numatune command.

Frequently asked questions

What is CVE-2013-6457?: The libxlDomainGetNumaParameters function in the libxl driver (libxl/libxl_driver.c) in libvirt before 1.2.1 does not properly initialize the nodemap, which allows local users to cause a denial of service (invalid free operation and crash) or possibly execute arbitrary code via an inactive domain to the virsh numatune command.
How severe is CVE-2013-6457?: CVE-2013-6457 has a CVSS 2.0 base score of 5.2, rated medium severity.
Is CVE-2013-6457 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-6457?: CVE-2013-6457 primarily affects Redhat Libvirt. In total, 110 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-6457?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-6457 published?: CVE-2013-6457 was published on 2014-01-24 and last updated on 2026-06-17.

References

Affected products (110)

cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.0.1:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.0.2:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.0.3:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.0.4:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.0.5:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.0.6:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.1.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.1.1:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.1.3:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.1.4:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.1.5:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.1.6:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.1.7:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.1.8:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.1.9:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.2.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.2.1:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.2.2:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.2.3:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.3.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.3.1:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.3.2:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.3.3:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.4.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.4.1:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.4.2:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.4.3:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.4.4:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.4.5:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.4.6:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.5.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.5.1:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.6.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.6.1:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.6.2:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.6.3:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.6.4:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.6.5:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:0.7.0:*:*:*:*:*:*:*

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