CVE-2026-15961 PUBLISHED

Power System Information Disclosure

Assigner: ibm
Reserved: 16.07.2026 Published: 19.08.2026 Updated: 19.08.2026

IBM PowerVM Hypervisor FW1120.00, FW1110.00 through FW1110.30, and FW1060.00 through FW1060.80 IBM PowerVM could allow a local attacker to obtain sensitive information or cause a denial of service due to improper control of format strings.

Metrics

CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:H
CVSS Score: 5.2

Product Status

Vendor IBM
Product PowerVM Hypervisor
Versions
  • Version FW1120.00 is affected
  • affected from FW1110.00 to FW1110.30 (incl.)
  • affected from FW1060.00 to FW1060.80 (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)

Customers with the products below should install FW1060.81(1060_184), or newer to remediate this vulnerability. Power 10

  • IBM Power System E1080 (9080-HEX)

Customers with the products below should install  FW1060.81(1060_191), or newer to remediate this vulnerability. Power 10

  • IBM Power System S1022 (9105-22A)
  • IBM Power System S1024 (9105-42A)
  • IBM Power System S1022s (9105-22B)
  • IBM Power System S1014 (9105-41B)
  • IBM Power System L1022 (9786-22H)
  • IBM Power System L1024 (9786-42H)
  • IBM Power System E1050 (9043-MRX)
  • IBM Power System S1012 (9028-21B)

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-134 Use of Externally-Controlled Format String CWE