CVE-2007-4238: IBM Aix

Medium severity, CVSS 6.9. EPSS: 0.3% chance of exploitation in the next 30 days.

AIX 5.2 and 5.3 install pioinit with user and group ownership of bin, which allows local users with bin or possibly printq privileges to gain root privileges by modifying pioinit.

Affected products

• IBM Aix: version 5.2 only; version 5.3 only

Published 2007-08-08. Last modified 2026-06-16.