Executive brief
IBM AIX 7.2, 7.3, and PowerVM VIOS 4.1 fail to properly validate the ODMDIR environment variable, allowing a local user to execute arbitrary commands with elevated privileges. An attacker with local access can exploit this to bypass security controls and run malicious code on affected systems, potentially compromising the entire operating environment.
Affected products
- IBM AIX 7.2, 7.3
- IBM PowerVM VIOS 4.1
Timeline
- 2026-08-20: disclosed