IBM PowerVM Hypervisor up to FW1050.30/FW1060.20 Linux Processor Combability Mode data amplification

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability has been found in IBM PowerVM Hypervisor up to FW1050.30/FW1060.20 and classified as problematic. This affects an unknown part of the component Linux Processor Combability Mode. Performing a manipulation results in data amplification. This vulnerability is identified as CVE-2025-0986. The attack is only possible with local access. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic has been found in IBM PowerVM Hypervisor up to FW1050.30/FW1060.20. This affects an unknown part of the component Linux Processor Combability Mode. The manipulation with an unknown input leads to a data amplification vulnerability. CWE is classifying the issue as CWE-409. The product does not handle or incorrectly handles a compressed input with a very high compression ratio that produces a large output. This is going to have an impact on integrity, and availability. The summary by CVE is:

IBM PowerVM Hypervisor FW1050.00 through FW1050.30 and FW1060.00 through FW1060.20 could allow a local user, under certain Linux processor combability mode configurations, to cause undetected data loss or errors when performing gzip compression using HW acceleration.

The advisory is shared at ibm.com. This vulnerability is uniquely identified as CVE-2025-0986 since 02/03/2025. The exploitability is told to be difficult. An attack has to be approached locally. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.1

VulDB Base Score: 3.6
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.4
NVD Vector: 🔍

CNA Base Score: 4.5
CNA Vector (ibm): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Data amplification
CWE: CWE-409 / CWE-404
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

02/03/2025 🔍
03/28/2025 +53 days 🔍
03/28/2025 +0 days 🔍
08/18/2025 +143 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: ibm.com
Status: Confirmed

CVE: CVE-2025-0986 (🔍)
GCVE (CVE): GCVE-0-2025-0986
GCVE (VulDB): GCVE-100-301941

Entryinfo

Created: 03/28/2025 14:39
Updated: 08/18/2025 22:01
Changes: 03/28/2025 14:39 (63), 08/18/2025 22:01 (12)
Complete: 🔍
Cache ID: 216::103

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