CVE-2026-17093
HighCVSS 8.2Summary
IBM Power Systems Firmware is affected by a vulnerability in host firmware configuration parsing. An attacker with service-level access to the BMC/FSP can supply specially crafted configuration data, compromising the host firmware boot stage and everything subsequently loaded by it.
Risk Assessment
Compromise of the boot process and the entire system, leading to confidentiality, integrity, and availability impact.
Recommendation
Apply firmware updates and restrict service-level access to BMC/FSP.
Original NVD description (English source)
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 - OP940.81 (Power HMC) is affected by a vulnerability in host firmware configuration parsing. An attacker with service-level access to the BMC/FSP can supply specially crafted configuration data, compromising the host firmware boot stage and everything subsequently loaded by it, resulting in a confidentiality, integrity, and availability impact to the managed system.