View at Official ubuntu advisory, NVD, CVE.org · CVE detail
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2011-3147 medium priority: Ubuntu including 1 source packages (nova), 5 status rows across 5 suites (lucid, precise, quantal, raring, upstream): not-affected 3, DNE 1, released 1.
Versions of nova before 2012.1 could expose hypervisor host files to a guest operating system when processing a maliciously constructed qcow filesystem.