参照： Official ubuntu advisory, NVD, CVE.org · CVE 詳細
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2011-2147 low priority: Ubuntu including 1 source packages (openswan), 7 status rows across 7 suites (dapper, hardy, lucid, maverick, natty, oneiric, upstream): not-affected 5, ignored 1, needs-triage 1.
Openswan 2.2.x does not properly restrict permissions for (1) /var/run/starter.pid, related to starter.c in the IPsec starter, and (2) /var/lock/subsys/ipsec, which allows local users to kill arbitrary processes by writing a PID to a file, or possibly bypass disk quotas by writing arbitrary data to a file, as demonstrated by files with 0666 permissions, a different vulnerability than CVE-2011-1784.