---
id: CVE-2026-17503
title: >-
  IBM PowerVM Hypervisor FW1120.00 through FW1120.01, FW1110.00 through
  FW1110.31, FW1060.00 through FW1060.81, and FW950.00 through FW950.H3 is
  affected by a vulnerability in the partition firmware runtime boot
  configuration
summary: >-
  IBM PowerVM Hypervisor FW1120.00 through FW1120.01, FW1110.00 through
  FW1110.31, FW1060.00 through FW1060.81, and FW950.00 through FW950.H3 is
  affected by a vulnerability in the partition firmware runtime boot
  configuration. An attacker …
severity: medium
cvss: 5.1
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H'
cwe:
  - CWE-20
vendor: ibm
product: power_system_s1122_(9824-22a)_firmware
affected:
  - 'power_system_s1122_(9824-22a)_firmware >= fw1110.00, < fw1110.32'
  - 'power_system_s1122_(9824-22a)_firmware >= fw1120.00, < fw1120.02'
  - 'power_system_s1124_(9824-42a)_firmware >= fw1110.00, < fw1110.32'
  - 'power_system_s1124_(9824-42a)_firmware >= fw1120.00, < fw1120.02'
  - 'power_system_s1122s_(9824-22b)_firmware >= fw1110.00, < fw1110.32'
  - 'power_system_s1122s_(9824-22b)_firmware >= fw1120.00, < fw1120.02'
  - 'power_system_s1114_(9824-41b)_firmware >= fw1110.00, < fw1110.32'
  - 'power_system_s1114_(9824-41b)_firmware >= fw1120.00, < fw1120.02'
  - 'power_system_l1122_(9856-22h)_firmware >= fw1110.00, < fw1110.32'
  - 'power_system_l1122_(9856-22h)_firmware >= fw1120.00, < fw1120.02'
  - 'power_system_l1124_(9856-42h)_firmware >= fw1110.00, < fw1110.32'
  - 'power_system_l1124_(9856-42h)_firmware >= fw1120.00, < fw1120.02'
  - 'power_system_e1150_(9043-mru)_firmware >= fw1110.00, < fw1110.32'
  - 'power_system_e1150_(9043-mru)_firmware >= fw1120.00, < fw1120.02'
  - 'power_system_s1112_(9242-21b)_firmware >= fw1120.00, < fw1120.02'
  - 'power_system_s1112_(9242-21t)_firmware >= fw1120.00, < fw1120.02'
  - 'power_system_e1080_(9080-hex)_firmware >= fw1060.00, < fw1060.82'
  - 'power_system_s1022_(9105-22a)_firmware >= fw1060.00, < fw1060.82'
  - 'power_system_s1024_(9105-42a)_firmware >= fw1060.00, < fw1060.82'
  - 'power_system_s1022s_(9105-22b)_firmware >= fw1060.00, < fw1060.82'
  - 'power_system_s1014_(9105-41b)_firmware >= fw1060.00, < fw1060.82'
  - 'power_system_l1022_(9786-22h)_firmware >= fw1060.00, < fw1060.82'
  - 'power_system_l1024_(9786-42h)_firmware >= fw1060.00, < fw1060.82'
  - 'power_system_e1050_(9043-mrx)_firmware >= fw1060.00, < fw1060.82'
  - 'power_system_s1012_(9028-21b)_firmware >= fw1060.00, < fw1060.82'
  - 'power_system_e1180_(9080-heu)_firmware >= fw1110.00, < fw1110.32'
  - 'power_system_e1180_(9080-heu)_firmware >= fw1120.00, < fw1120.02'
  - 'power_system_s922_(9009-22g)_firmware >= fw950.00, < fw950.h4'
  - 'power_system_h922_(9223-22s)_firmware >= fw950.00, < fw950.h4'
  - 'power_system_s914_(9009-41g)_firmware >= fw950.00, < fw950.h4'
  - 'power_system_s924_(9009-42g)_firmware >= fw950.00, < fw950.h4'
  - 'power_system_h924_(9223-42s)_firmware >= fw950.00, < fw950.h4'
  - 'power_system_e950_(9040-mr9)_firmware >= fw950.00, < fw950.h4'
  - 'power_system_e980_(9080-m9s)_firmware >= fw950.00, < fw950.h4'
patched:
  - power_system_s1122_(9824-22a)_firmware fw1120.02
  - power_system_s1124_(9824-42a)_firmware fw1120.02
  - power_system_s1122s_(9824-22b)_firmware fw1120.02
  - power_system_s1114_(9824-41b)_firmware fw1120.02
  - power_system_l1122_(9856-22h)_firmware fw1120.02
  - power_system_l1124_(9856-42h)_firmware fw1120.02
  - power_system_e1150_(9043-mru)_firmware fw1120.02
  - power_system_s1112_(9242-21b)_firmware fw1120.02
  - power_system_s1112_(9242-21t)_firmware fw1120.02
  - power_system_e1080_(9080-hex)_firmware fw1060.82
  - power_system_s1022_(9105-22a)_firmware fw1060.82
  - power_system_s1024_(9105-42a)_firmware fw1060.82
  - power_system_s1022s_(9105-22b)_firmware fw1060.82
  - power_system_s1014_(9105-41b)_firmware fw1060.82
  - power_system_l1022_(9786-22h)_firmware fw1060.82
  - power_system_l1024_(9786-42h)_firmware fw1060.82
  - power_system_e1050_(9043-mrx)_firmware fw1060.82
  - power_system_s1012_(9028-21b)_firmware fw1060.82
  - power_system_e1180_(9080-heu)_firmware fw1120.02
  - power_system_s922_(9009-22g)_firmware fw950.h4
  - power_system_h922_(9223-22s)_firmware fw950.h4
  - power_system_s914_(9009-41g)_firmware fw950.h4
  - power_system_s924_(9009-42g)_firmware fw950.h4
  - power_system_h924_(9223-42s)_firmware fw950.h4
  - power_system_e950_(9040-mr9)_firmware fw950.h4
  - power_system_e980_(9080-m9s)_firmware fw950.h4
published: '2026-09-24'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T16:57:44.550'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-17503'
references:
  - url: 'https://www.ibm.com/support/pages/node/7289133'
    label: psirt@us.ibm.com
tags:
  - nvd
  - cve.org
epss: 0.00105
epssPercentile: 0.01058
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-24T14:52:58.999216Z'
ingestedAt: '2026-09-24T14:44:21.323Z'
---

## Overview

IBM PowerVM Hypervisor FW1120.00 through FW1120.01, FW1110.00 through FW1110.31, FW1060.00 through FW1060.81, and FW950.00 through FW950.H3 is affected by a vulnerability in the partition firmware runtime boot configuration. An attacker with root access to a partition can maliciously alter partition nvram, causing the partition to fail to boot. This condition persists until operator intervention — deleting and recreating the partition configuration — to restore normal operation. Successful exploitation results in an integrity and availability impact.

## Affected

- `power_system_s1122_(9824-22a)_firmware >= fw1110.00, < fw1110.32`
- `power_system_s1122_(9824-22a)_firmware >= fw1120.00, < fw1120.02`
- `power_system_s1124_(9824-42a)_firmware >= fw1110.00, < fw1110.32`
- `power_system_s1124_(9824-42a)_firmware >= fw1120.00, < fw1120.02`
- `power_system_s1122s_(9824-22b)_firmware >= fw1110.00, < fw1110.32`
- `power_system_s1122s_(9824-22b)_firmware >= fw1120.00, < fw1120.02`
- `power_system_s1114_(9824-41b)_firmware >= fw1110.00, < fw1110.32`
- `power_system_s1114_(9824-41b)_firmware >= fw1120.00, < fw1120.02`
- `power_system_l1122_(9856-22h)_firmware >= fw1110.00, < fw1110.32`
- `power_system_l1122_(9856-22h)_firmware >= fw1120.00, < fw1120.02`
- `power_system_l1124_(9856-42h)_firmware >= fw1110.00, < fw1110.32`
- `power_system_l1124_(9856-42h)_firmware >= fw1120.00, < fw1120.02`
- `power_system_e1150_(9043-mru)_firmware >= fw1110.00, < fw1110.32`
- `power_system_e1150_(9043-mru)_firmware >= fw1120.00, < fw1120.02`
- `power_system_s1112_(9242-21b)_firmware >= fw1120.00, < fw1120.02`
- `power_system_s1112_(9242-21t)_firmware >= fw1120.00, < fw1120.02`
- `power_system_e1080_(9080-hex)_firmware >= fw1060.00, < fw1060.82`
- `power_system_s1022_(9105-22a)_firmware >= fw1060.00, < fw1060.82`
- `power_system_s1024_(9105-42a)_firmware >= fw1060.00, < fw1060.82`
- `power_system_s1022s_(9105-22b)_firmware >= fw1060.00, < fw1060.82`
- `power_system_s1014_(9105-41b)_firmware >= fw1060.00, < fw1060.82`
- `power_system_l1022_(9786-22h)_firmware >= fw1060.00, < fw1060.82`
- `power_system_l1024_(9786-42h)_firmware >= fw1060.00, < fw1060.82`
- `power_system_e1050_(9043-mrx)_firmware >= fw1060.00, < fw1060.82`
- `power_system_s1012_(9028-21b)_firmware >= fw1060.00, < fw1060.82`
- `power_system_e1180_(9080-heu)_firmware >= fw1110.00, < fw1110.32`
- `power_system_e1180_(9080-heu)_firmware >= fw1120.00, < fw1120.02`
- `power_system_s922_(9009-22g)_firmware >= fw950.00, < fw950.h4`
- `power_system_h922_(9223-22s)_firmware >= fw950.00, < fw950.h4`
- `power_system_s914_(9009-41g)_firmware >= fw950.00, < fw950.h4`
- `power_system_s924_(9009-42g)_firmware >= fw950.00, < fw950.h4`
- `power_system_h924_(9223-42s)_firmware >= fw950.00, < fw950.h4`
- `power_system_e950_(9040-mr9)_firmware >= fw950.00, < fw950.h4`
- `power_system_e980_(9080-m9s)_firmware >= fw950.00, < fw950.h4`

## Remediation

Upgrade past the affected range:

- `power_system_s1122_(9824-22a)_firmware fw1120.02`
- `power_system_s1124_(9824-42a)_firmware fw1120.02`
- `power_system_s1122s_(9824-22b)_firmware fw1120.02`
- `power_system_s1114_(9824-41b)_firmware fw1120.02`
- `power_system_l1122_(9856-22h)_firmware fw1120.02`
- `power_system_l1124_(9856-42h)_firmware fw1120.02`
- `power_system_e1150_(9043-mru)_firmware fw1120.02`
- `power_system_s1112_(9242-21b)_firmware fw1120.02`
- `power_system_s1112_(9242-21t)_firmware fw1120.02`
- `power_system_e1080_(9080-hex)_firmware fw1060.82`
- `power_system_s1022_(9105-22a)_firmware fw1060.82`
- `power_system_s1024_(9105-42a)_firmware fw1060.82`
- `power_system_s1022s_(9105-22b)_firmware fw1060.82`
- `power_system_s1014_(9105-41b)_firmware fw1060.82`
- `power_system_l1022_(9786-22h)_firmware fw1060.82`
- `power_system_l1024_(9786-42h)_firmware fw1060.82`
- `power_system_e1050_(9043-mrx)_firmware fw1060.82`
- `power_system_s1012_(9028-21b)_firmware fw1060.82`
- `power_system_e1180_(9080-heu)_firmware fw1120.02`
- `power_system_s922_(9009-22g)_firmware fw950.h4`
- `power_system_h922_(9223-22s)_firmware fw950.h4`
- `power_system_s914_(9009-41g)_firmware fw950.h4`
- `power_system_s924_(9009-42g)_firmware fw950.h4`
- `power_system_h924_(9223-42s)_firmware fw950.h4`
- `power_system_e950_(9040-mr9)_firmware fw950.h4`
- `power_system_e980_(9080-m9s)_firmware fw950.h4`