CVE-2013-6457

Severity: medium (CVSS 5.2 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-01-24 · updated 2026-06-17
Weakness: CWE-264

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.

Affected products

libvirt: through 1.2.0; 0.0.1, 0.0.2, 0.0.3, 0.0.4, 0.0.5, 0.0.6 (+103)

References

http://libvirt.org/news.html
http://lists.opensuse.org/opensuse-updates/2014-02/msg00060.html
http://secunia.com/advisories/60895
http://security.gentoo.org/glsa/glsa-201412-04.xml
http://www.ubuntu.com/usn/USN-2093-1
https://bugzilla.redhat.com/show_bug.cgi?id=1048629
https://www.redhat.com/archives/libvir-list/2013-December/msg01176.html
https://www.redhat.com/archives/libvir-list/2013-December/msg01258.html
http://libvirt.org/news.html
http://lists.opensuse.org/opensuse-updates/2014-02/msg00060.html
http://secunia.com/advisories/60895
http://security.gentoo.org/glsa/glsa-201412-04.xml

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