CVE-2026-16938: IBM Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, and FW950.00 through FW950.H2 is affected by a vulnerability in…

PriorityP429medium6.9CVSS 3.1

AVAACLPRHUINSCCNILAH

EPSS

0.22%

12.4th percentile

IBM Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, and FW950.00 through FW950.H2 is affected by a vulnerability in access controls over privileged system configuration operations on the FSP. An attacker with authenticated administrator-level access to the FSP can place the managed system into a non-production operational mode, allowing certain system components to be disabled. This condition persists across FSP resets and requires explicit operator intervention — clearing the affected configuration — to restore normal operation. Successful exploitation results in an availability impact to the managed system.

Affected

14 ranges

Vendor	Product	Version range	Fixed in
ibm	power_system_e1080_firmware	>= fw1060.00 < fw1060.81	fw1060.81
ibm	power_system_e1180_firmware	—	—
ibm	power_system_e1180_firmware	>= fw1110.00 < fw1110.31	fw1110.31
ibm	power_system_e950_firmware	>= fw950.00 < fw950.h3	fw950.h3
ibm	power_system_e980_firmware	>= fw950.00 < fw950.h3	fw950.h3
ibm	power_system_h922_firmware	>= fw950.00 < fw950.h3	fw950.h3
ibm	power_system_h924_firmware	>= fw950.00 < fw950.h3	fw950.h3
ibm	power_system_s914_firmware	>= fw950.00 < fw950.h3	fw950.h3
ibm	power_system_s922_firmware	>= fw950.00 < fw950.h3	fw950.h3
ibm	power_system_s924_firmware	>= fw950.00 < fw950.h3	fw950.h3
ibm	power_systems_firmware	—	—
ibm	power_systems_firmware	FW1060.00 – FW1060.80	—
ibm	power_systems_firmware	FW1110.00 – FW1110.30	—
ibm	power_systems_firmware	FW950.00 – FW950.H2	—

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