Power System update in Buffer Copy
Summary
| CVE | CVE-2026-11885 |
|---|---|
| State | PUBLISHED |
| Assigner | ibm |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-07-30 17:16:27 UTC |
| Updated | 2026-07-30 19:17:03 UTC |
| Description | IBM PowerVM Hypervisor FW1110.00 through FW1110.20, FW1060.00 through FW1060.71, and FW950.00 through FW950.H1 A carefully crafted OS hypervisor call can cause the PowerVM hypervisor to crash or compromise OS memory integrity. |
Risk And Classification
Primary CVSS: v3.1 8.4 HIGH from [email protected]
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
EPSS: 0.001010000 probability, percentile 0.010510000 (date 2026-08-03)
Problem Types: CWE-120 | CWE-120 CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 8.4 | HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H |
| 3.1 | CNA | CVSS | 8.4 | HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H |
CVSS v3.1 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | IBM | PowerVM Hypervisor | affected FW1110.00 FW1110.20 semver | Not specified |
| CNA | IBM | PowerVM Hypervisor | affected FW1060.00 FW1060.71 semver | Not specified |
| CNA | IBM | PowerVM Hypervisor | affected FW950.00 FW950.H1 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.ibm.com/support/pages/node/7280628 | [email protected] | www.ibm.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Additional Advisory Data
Solutions
CNA: Customers with the products below should install FW1110.30(1110_125), or newer to remediate this vulnerability. Power 11 * IBM Power System E1180 (9080-HEU) Customers with the products below should install FW1110.30(1110_145), or newer to remediate this vulnerability. Power 11 * IBM Power System S1122 (9824-22A) * IBM Power System S1124 (9824-42A) * IBM Power System S1122s (9824-22B) * IBM Power System S1114 (9824-41B) * IBM Power System L1122 (9856-22H) * IBM Power System L1124 (9856-42H) * IBM Power System E1150 (9043-MRU) Customers with the products below should install FW1060.72(1060_171)/FW1060.80(1060_180), or newer to remediate this vulnerability. Power 10 * IBM Power System E1080 (9080-HEX) Customers with the products below should install FW1060.72(1060_177)/FW1060.80(1060_185), or newer to remediate this vulnerability. Power 10 * IBM Power System S1022 (9105-22A) * IBM Power System S1024 (9105-42A) * IBM Power System S1022s (9105-22B) * IBM Power System S1014 (9105-41B) * IBM Power System L1022 (9786-22H) * IBM Power System L1024 (9786-42H) * IBM Power System E1050 (9043-MRX) * IBM Power System S1012 (9028-21B) Customers with the products below should install FW950.H2(950_222) or newer to remediate this concern. Power 9 * IBM Power System L922 (9008-22L) * IBM Power System S922 (9009-22A, 9009-22G) * IBM Power System H922 (9223-22H, 9223-22S) * IBM Power System S914 (9009-41A, 9009-41G) * IBM Power System S924 (9009-42A, 9009-42G) * IBM Power System H924 (9223-42H, 9223-42S) * IBM Power System E950 (9040-MR9) * IBM Power System E980 (9080-M9S)