CVE-2011-1146: libvirt.c in the API in Red Hat libvirt 0.8.8 does not properly restrict operations in a read-only connecti...

Security readout for executives and security teams

A libvirt read-only connection could perform operations that should have been blocked. In affected environments, a remote user with read-only libvirt access could crash the host OS and may have been able to execute code. This matters most where virtualization management APIs were exposed beyond trusted administrators. Exposure is most likely on older systems running Red Hat libvirt 0.8.8 or distributor packages addressed by 2011 Red Hat, Fedora, Ubuntu, Debian, or SUSE advisories. Risk depends on whether untrusted users or services had read-only libvirt API access. Prioritize remediation for virtualization hosts with remote or delegated libvirt access. The business risk is host instability and possible host compromise, but urgency is lower for fully patched modern systems or isolated lab deployments. Mitigation focus: Apply the relevant vendor libvirt security update for the affected distribution.; Restrict libvirt API access to trusted administrative users and services.; Disable unnecessary remote libvirt access where operationally feasible..

Prepared

Jun 24, 2026, 13:28 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.