Security Advisory

CVE-2026-16933

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-19 19:13:26

Last updated 2026-08-22 03:55:55

Assigner ibm

CVSS score 8.2

State PUBLISHED

Description

IBM Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, FW950.00 through FW950.H2, OP940.00 through OP940.a1 (Power9), and OP940.00 through OP940.81 (Power HMC) is affected by a vulnerability in the interface between the BMC/FSP and the host system. An attacker with service account or root access to the BMC/FSP can read and write arbitrary regions of host system memory, giving full control over the host system and all hosted partitions, resulting in a confidentiality, integrity, and availability impact.

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