IBM PowerVM Hypervisor FW860, FW930, FW940, and FW950 could allow a local user to create a specially crafted sequence of hypervisor calls from a partition that could crash the system. IBM X-Force ID: 203557.
https://www.ibm.com/support/pages/node/6490877
https://exchange.xforce.ibmcloud.com/vulnerabilities/203557
Source: Mitre, NVD
Published: 2021-09-21
Updated: 2026-06-17
Base Score: 4.9
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C
Severity: Medium
Base Score: 6
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
EPSS: 0.0004