CVE-2025-36035: powervm hypervisor DoS — Fix

Description

IBM PowerVM Hypervisor FW950.00 through FW950.E0, FW1050.00 through FW1050.50, and FW1060.00 through FW1060.40 could allow a local privileged user to cause a denial of service by issuing a specially crafted IBM i hypervisor call that would disclose memory contents or consume excessive memory resources.

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CVSS v3.1 Score

6.7

MEDIUM

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

Weakness Type (CWE)

CWE-770 CWE-770

Affected Products

Vendor	Product	Versions
ibm	powervm_hypervisor	FW950.00 — FW950.E0
ibm	power_system_e950_\(9040-mr9\)	All
ibm	power_system_e980_\(9080-m9s\)	All
ibm	power_system_h922_\(9223-22h\)	All
ibm	power_system_h922_\(9223-22s\)	All
ibm	power_system_h924_\(\(9223-42s\)	All
ibm	power_system_h924_\(9223-42h\)	All
ibm	power_system_l922_\(9008-22l\)	All
ibm	power_system_s914_\(9009-41a\)	All
ibm	power_system_s914_\(9009-41g\)	All
ibm	power_system_s922_\(9009-22a\)	All
ibm	power_system_s922_\(9009-22g\)	All
ibm	power_system_s924_\(9009-42a\)	All
ibm	power_system_s924_\(9009-42g\)	All
ibm	powervm_hypervisor	FW1050.00 — FW1050.50
ibm	powervm_hypervisor	FW1060.00 — FW1060.40
ibm	power_system_e1080_\(9080-hex\)	All
ibm	powervm_hypervisor	FW1050.00 — FW1050.50
ibm	powervm_hypervisor	FW1060.00 — FW1060.40
ibm	power_system_e1050_\(9043-mrx\)	All
ibm	power_system_l1022_\(9786-22h\)	All
ibm	power_system_l1024_\(9786-42h\)	All
ibm	power_system_s1012_\(9028-21b\)	All
ibm	power_system_s1014_\(9105-41b\)	All
ibm	power_system_s1022_\(9105-22a\)	All
ibm	power_system_s1022s_\(9105-22b\)	All
ibm	power_system_s1024_\(9105-42a\)	All

References

Advisories & Patches

https://www.ibm.com/support/pages/node/7244813

Frequently Asked Questions

What is CVE-2025-36035? +

IBM PowerVM Hypervisor FW950.00 through FW950.E0, FW1050.00 through FW1050.50, and FW1060.00 through FW1060.40 could allow a local privileged user to cause a denial of service by issuing a specially crafted IBM i hypervisor call that would disclose memory contents or consume excessive memory resources. It has a CVSS v3.1 base score of 6.7 (MEDIUM).

How severe is CVE-2025-36035? +

CVE-2025-36035 has a CVSS v3.1 score of 6.7 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-2025-36035? +

CVE-2025-36035 affects products from ibm, specifically: power_system_e1050_\(9043-mrx\), power_system_e1080_\(9080-hex\), power_system_e950_\(9040-mr9\), power_system_e980_\(9080-m9s\), power_system_h922_\(9223-22h\), power_system_h922_\(9223-22s\), power_system_h924_\(9223-42h\), power_system_h924_\(\(9223-42s\), power_system_l1022_\(9786-22h\), power_system_l1024_\(9786-42h\), power_system_l922_\(9008-22l\), power_system_s1012_\(9028-21b\), power_system_s1014_\(9105-41b\), power_system_s1022_\(9105-22a\), power_system_s1022s_\(9105-22b\), power_system_s1024_\(9105-42a\), power_system_s914_\(9009-41a\), power_system_s914_\(9009-41g\), power_system_s922_\(9009-22a\), power_system_s922_\(9009-22g\), power_system_s924_\(9009-42a\), power_system_s924_\(9009-42g\), powervm_hypervisor. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-36035? +

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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