CVE-2013-6456: Fedoraproject Fedora

Medium severity, CVSS 5.8. EPSS: 0.6% chance of exploitation in the next 30 days.

The LXC driver (lxc/lxc_driver.c) in libvirt 1.0.1 through 1.2.1 allows local users to (1) delete arbitrary host devices via the virDomainDeviceDettach API and a symlink attack on /dev in the container; (2) create arbitrary nodes (mknod) via the virDomainDeviceAttach API and a symlink attack on /dev in the container; and cause a denial of service (shutdown or reboot host OS) via the (3) virDomainShutdown or (4) virDomainReboot API and a symlink attack on /dev/initctl in the container, related to "paths under /proc/$PID/root" and the virInitctlSetRunLevel function.

Affected products

• Fedoraproject Fedora: version 20 only
• Red Hat Libvirt: version 1.0.1 only; version 1.0.2 only; version 1.0.3 only; version 1.0.4 only; version 1.0.5 only; version 1.0.5.1 only; …

Published 2014-04-15. Last modified 2026-06-17.