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CVE PROGRAM SOURCE RECORD8.2 High

CVE-2026-17093

Power System Buffer Overflow

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 - 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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

IBM Power Systems Firmware

  • FW1120.00affected
  • FW1110.00 to ≤ FW1110.30affected
  • FW1060.00 to ≤ FW1060.80affected
  • FW950.00 to ≤ FW950.H2affected
  • OP940.00 to ≤ OP940.a1affected
  • OP940.00 to ≤ OP940.81affected

References