CVE-2026-17511: This Power System update is being released to address

Published Sep 23, 2026
·
Updated

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 resource dump interface. An attacker with authenticated administrator-level access to the HMC or service processor can obtain a limited snapshot of partition processor state. Successful exploitation results in a confidentiality impact to the managed system.

Other sources

Power Systems Firmware is affected by a vulnerability in the partition resource dump interface. An attacker with authenticated administrator-level access to the HMC or service processor can obtain a limited snapshot of partition processor state. Successful exploitation results in a confidentiality impact to the managed system.

— IBM

Affected Software

5 affected components
IBM PowerVM Hypervisor>=FW1120.00<=FW1120.01, >=FW1110.00<=FW1110.31, >=FW1060.00<=FW1060.81, >=FW950.00<=FW950.H3
IBM PowerVM Hypervisor<=FW1120.00 - FW1120.01
IBM PowerVM Hypervisor<=FW1110.00 - FW1110.31
IBM PowerVM Hypervisor<=FW1060.00 - FW1060.81
IBM PowerVM Hypervisor<=FW950.00 - FW950.H3

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade IBM Power Systems Firmware to a version that resolves this vulnerability.

    Fixed in FW1060.82Patch 1060_189
  2. Upgrade

    Upgrade IBM Power Systems Firmware to a version that resolves this vulnerability.

    Fixed in FW1110.32Patch 1110_138
  3. Upgrade

    Upgrade IBM Power Systems Firmware to a version that resolves this vulnerability.

    Fixed in FW1120.02Patch 1120_171
  4. Upgrade

    Upgrade IBM Power Systems Firmware to a version that resolves this vulnerability.

    Fixed in FW1110.32Patch 1110_160
  5. Upgrade

    Upgrade IBM Power Systems Firmware to a version that resolves this vulnerability.

    Fixed in FW1120.02Patch 1120_195
  6. Upgrade

    Upgrade IBM Power Systems Firmware to a version that resolves this vulnerability.

    Fixed in FW950.H4Patch 950_236
  7. Upgrade

    Upgrade IBM Power Systems Firmware to a version that resolves this vulnerability.

    Fixed in FW1060.82Patch 1060_199

Event History

Sep 23, 2026
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
Sep 24, 2026
CVE Published
via MITRE·02:09 PM
Data Sourced
via MITRE·02:09 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·02:17 PM
DescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What level of access is required to exploit this issue?

An attacker must already have authenticated administrator-level access to the Hardware Management Console (HMC) or the service processor.

2

What information could be exposed if the issue is exploited?

Successful exploitation allows an attacker to obtain a limited snapshot of partition processor state. The stated impact is confidentiality exposure affecting the managed system.

3

Which firmware levels should be checked for exposure?

Affected levels are FW1120.00 through FW1120.01, FW1110.00 through FW1110.31, FW1060.00 through FW1060.81, and FW950.00 through FW950.H3.

Company

Resources

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