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CVE PROGRAM SOURCE RECORD8.2 High

CVE-2026-16933

Power System Integer Overflow

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Status
Published
Published
Updated
Assigning organization
ibm

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.

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