CVE-2013-6458: Red Hat Libvirt

Medium severity, CVSS 6.8. EPSS: 0.6% chance of exploitation in the next 30 days.

Multiple race conditions in the (1) virDomainBlockStats, (2) virDomainGetBlockInf, (3) qemuDomainBlockJobImpl, and (4) virDomainGetBlockIoTune functions in libvirt before 1.2.1 do not properly verify that the disk is attached, which allows remote read-only attackers to cause a denial of service (libvirtd crash) via the virDomainDetachDeviceFlags command.

Affected products

• Red Hat Libvirt: up to and including 1.2.0; version 0.0.1 only; version 0.0.2 only; version 0.0.3 only; version 0.0.4 only; version 0.0.5 only; …

Published 2014-01-24. Last modified 2026-06-17.