CVE-2021-38988: IBM Aix

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the AIX kernel to cause a denial of service. IBM X-Force ID: 212950.

Affected products

• IBM Aix: from 7.1.5.0, up to and including 7.1.5.32; version 7.2.4.0 only; version 7.2.5.0 only; version 7.3.0.0 only
• IBM Vios: from 3.1.1, before 3.1.1.60 (fixed in 3.1.1.60); from 3.1.2, before 3.1.2.40 (fixed in 3.1.2.40); from 3.1.3, before 3.1.3.20 (fixed in 3.1.3.20)

Published 2022-03-07. Last modified 2026-06-17.