CVE-2025-0986: powervm hypervisor — Fix

Description

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.

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CVSS v3.1 Score

4.5

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:L

Weakness Type (CWE)

CWE-409 CWE-409

Affected Products

Vendor	Product	Versions
ibm	powervm_hypervisor	fw1050.00 — fw1050.30
ibm	powervm_hypervisor	fw1060.00 — fw1060.20
ibm	powervm_hypervisor	All

References

Advisories & Patches

https://www.ibm.com/support/pages/node/7229349

Frequently Asked Questions

What is CVE-2025-0986? +

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. It has a CVSS v3.1 base score of 4.5 (MEDIUM).

How severe is CVE-2025-0986? +

CVE-2025-0986 has a CVSS v3.1 score of 4.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-0986? +

CVE-2025-0986 affects products from ibm, specifically: powervm_hypervisor. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-0986? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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