CVE-2026-17494 PUBLISHED

Power System Buffer Overflow

Assigner: ibm
Reserved: 26.07.2026 Published: 19.08.2026 Updated: 19.08.2026

IBM Power Systems Firmware FW1120.00, and FW1110.00 through FW1110.30 is affected by a vulnerability in the interface between the BMC and the host system. An attacker with service access to the BMC can send a specially crafted command, allowing arbitrary code to be executed on the host system, giving full control over the host system and all hosted partitions, resulting in a confidentiality, integrity, and availability impact.

Metrics

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS Score: 8.2

Product Status

Vendor IBM
Product Power Systems Firmware
Versions
  • Version FW1120.00 is affected
  • affected from FW1110.00 to FW1110.30 (incl.)

Solutions

Customers with the products below should install FW1110.31(1110_134), FW1120.01(1120_167), or newer to remediate this vulnerability. Power 11

  • IBM Power System E1180 (9080-HEU)

Customers with the products below should install FW1110.31(1110_155), FW1120.01(1120_190), or newer to remediate this vulnerability. Power 11

  • IBM Power System S1122 (9824-22A)
  • IBM Power System S1124 (9824-42A)
  • IBM Power System S1122s (9824-22B)
  • IBM Power System S1114 (9824-41B)
  • IBM Power System L1122 (9856-22H)
  • IBM Power System L1124 (9856-42H)
  • IBM Power System E1150 (9043-MRU)

Customers with the products below should install FW1120.01(1120_190), or newer to remediate this vulnerability.

Power 11

  • IBM Power System S1112 (9242-21B, 9242-21T)

The images mentioned above can be located at IBM Fix Central : https://www.ibm.com/support/fixcentral/ https://www.ibm.com/support/fixcentral/

References

Problem Types

  • CWE-121 Stack-based Buffer Overflow CWE