CVE-2025-0986: IBM Powervm Hypervisor

Medium severity, CVSS 4.4. EPSS: 0.1% chance of exploitation in the next 30 days.

IBM PowerVM Hypervisor FW1050.00 through FW1050.30 and FW1060.00 through FW1060.20 could allow a local user, under certain Linux processor combability mode configurations, to cause undetected data loss or errors when performing gzip compression using HW acceleration.

Affected products

• IBM Powervm Hypervisor: from fw1050.00, up to and including fw1050.30; from fw1060.00, up to and including fw1060.20

Published 2025-03-28. Last modified 2026-06-17.