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-2011-3153 medium priority: Ubuntu including 1 source packages (lightdm), 8 status rows across 8 suites (hardy, lucid, maverick, natty, oneiric, precise, quantal, upstream): DNE 3, released 3, ignored 1, needs-triage 1.
dmrc.c in Light Display Manager (aka LightDM) before 1.1.1 allows local users to read arbitrary files via a symlink attack on ~/.dmrc.