CVE-2011-2777: Tedfelix ACPID2

Medium severity, CVSS 4.4. EPSS: 0.6% chance of exploitation in the next 30 days.

samples/powerbtn/powerbtn.sh in acpid (aka acpid2) 2.0.16 and earlier uses the pidof program incorrectly, which allows local users to gain privileges by running a program with the name kded4 and a DBUS_SESSION_BUS_ADDRESS environment variable containing commands.

Affected products

• Tedfelix ACPID2: up to and including 2.0.16; version 2.0.0 only; version 2.0.1 only; version 2.0.2 only; version 2.0.3 only; version 2.0.4 only; …

Published 2012-08-29. Last modified 2026-06-16.