What’s Vulnerable › Vulnerabilities

CVE-2011-3147: qcow format could expose host filesystem information

• Severity: high (CVSS 8.6 v3.1)
• 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: 2019-04-22 · updated 2026-06-16
• Weakness: CWE-200

Description

Versions of nova before 2012.1 could expose hypervisor host files to a guest operating system when processing a maliciously constructed qcow filesystem.

Affected products

• OpenStack Nova: from 2010.1 before 2012.1 — fixed in 2012.1

How to fix

Upgrade to a fixed version: OpenStack Nova 2012.1. Check the vendor advisory for mitigations.

References

• http://bazaar.launchpad.net/~hudson-openstack/nova/trunk/revision/1604
• http://bazaar.launchpad.net/~hudson-openstack/nova/trunk/revision/1604

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