CVE-2013-4311

Severity: medium (CVSS 4.6 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-10-03 · updated 2026-06-16
Weakness: CWE-264

Description

libvirt 1.0.5.x before 1.0.5.6, 0.10.2.x before 0.10.2.8, and 0.9.12.x before 0.9.12.2 allows local users to bypass intended access restrictions by leveraging a PolkitUnixProcess PolkitSubject race condition in pkcheck via a (1) setuid process or (2) pkexec process, a related issue to CVE-2013-4288.

Affected products

Canonical Ubuntu Linux: 10.04, 12.04, 12.10, 13.04
Red Hat Enterprise Linux: 6.0
libvirt: 0.9.12, 0.10.2, 0.10.2.1, 0.10.2.2, 0.10.2.3, 0.10.2.4 (+9)

References

http://lists.opensuse.org/opensuse-updates/2013-10/msg00023.html
http://lists.opensuse.org/opensuse-updates/2013-10/msg00024.html
http://rhn.redhat.com/errata/RHSA-2013-1272.html
http://rhn.redhat.com/errata/RHSA-2013-1460.html
http://wiki.libvirt.org/page/Maintenance_Releases
http://www.openwall.com/lists/oss-security/2013/09/18/6
http://www.ubuntu.com/usn/USN-1954-1
http://lists.opensuse.org/opensuse-updates/2013-10/msg00023.html
http://lists.opensuse.org/opensuse-updates/2013-10/msg00024.html
http://rhn.redhat.com/errata/RHSA-2013-1272.html
http://rhn.redhat.com/errata/RHSA-2013-1460.html
http://wiki.libvirt.org/page/Maintenance_Releases

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