IBM PowerVM Hypervisor up to FW950.F0/FW1060.51/FW1110.03 Configuration improper access control for register interface

CVSS Meta Temp Score
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CTI Interest Score
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2.8$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in IBM PowerVM Hypervisor up to FW950.F0/FW1060.51/FW1110.03. This affects an unknown part of the component Configuration Handler. Such manipulation leads to improper access control for register interface. This vulnerability is documented as CVE-2025-36194. The attack needs to be performed locally. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in IBM PowerVM Hypervisor up to FW950.F0/FW1060.51/FW1110.03 and classified as problematic. Affected by this issue is an unknown code block of the component Configuration Handler. The manipulation with an unknown input leads to a improper access control for register interface vulnerability. Using CWE to declare the problem leads to CWE-1262. The product uses memory-mapped I/O registers that act as an interface to hardware functionality from software, but there is improper access control to those registers. Impacted is confidentiality. CVE summarizes:

IBM PowerVM Hypervisor FW1110.00 through FW1110.03, FW1060.00 through FW1060.51, and FW950.00 through FW950.F0 may expose a limited amount of data to a peer partition in specific shared processor configurations during certain operations.

The advisory is shared for download at ibm.com. This vulnerability is handled as CVE-2025-36194 since 04/15/2025. The exploitation is known to be difficult. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.9
VulDB Meta Temp Score: 2.8

VulDB Base Score: 2.5
VulDB Temp Score: 2.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 3.3
NVD Vector: 🔒

CNA Base Score: 2.8
CNA Vector (ibm): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper access control for register interface
CWE: CWE-1262 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/15/2025 CVE reserved
02/03/2026 +294 days Advisory disclosed
02/03/2026 +0 days VulDB entry created
02/19/2026 +16 days VulDB entry last update

Sourcesinfo

Vendor: ibm.com

Advisory: ibm.com
Status: Confirmed

CVE: CVE-2025-36194 (🔒)
GCVE (CVE): GCVE-0-2025-36194
GCVE (VulDB): GCVE-100-343796

Entryinfo

Created: 02/03/2026 07:22
Updated: 02/19/2026 16:49
Changes: 02/03/2026 07:22 (63), 02/19/2026 16:49 (12)
Complete: 🔍
Cache ID: 216::103

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