IBM PowerVM Hypervisor FW1110.00 through FW1110.20, and FW1060.00 through FW1060.71 could allow an attacker with physical access to the Transparent Memory Encryption (TME) hardware to decrypt encrypted memory due to insufficient cryptographic entropy.

Project Subscriptions

Vendors Products
Power System E1050 \(9043-mrx\) Subscribe
Power System E1050 \(9043-mrx\) Firmware Subscribe
Power System E1080 \(9080-hex\) Subscribe
Power System E1080 \(9080-hex\) Firmware Subscribe
Power System E1150 \(9043-mru\) Subscribe
Power System E1150 \(9043-mru\) Firmware Subscribe
Power System E1180 \(9080-heu\) Subscribe
Power System E1180 \(9080-heu\) Firmware Subscribe
Power System L1022 \(9786-22h\) Subscribe
Power System L1022 \(9786-22h\) Firmware Subscribe
Power System L1024 \(9786-42h\) Subscribe
Power System L1024 \(9786-42h\) Firmware Subscribe
Power System L1122 \(9856-22h\) Subscribe
Power System L1122 \(9856-22h\) Firmware Subscribe
Power System L1124 \(9856-42h\) Subscribe
Power System L1124 \(9856-42h\) Firmware Subscribe
Power System S1012 \(9028-21b\) Subscribe
Power System S1012 \(9028-21b\) Firmware Subscribe
Power System S1014 \(9105-41b\) Subscribe
Power System S1014 \(9105-41b\) Firmware Subscribe
Power System S1022 \(9105-22a\) Subscribe
Power System S1022 \(9105-22a\) Firmware Subscribe
Power System S1022s \(9105-22b\) Subscribe
Power System S1022s \(9105-22b\) Firmware Subscribe
Power System S1024 \(9105-42a\) Subscribe
Power System S1024 \(9105-42a\) Firmware Subscribe
Power System S1114 \(9824-41b\) Subscribe
Power System S1114 \(9824-41b\) Firmware Subscribe
Power System S1122 \(9824-22a\) Subscribe
Power System S1122 \(9824-22a\) Firmware Subscribe
Power System S1122s \(9824-22b\) Subscribe
Power System S1122s \(9824-22b\) Firmware Subscribe
Power System S1124 \(9824-42a\) Subscribe
Power System S1124 \(9824-42a\) Firmware Subscribe
Powervm Hypervisor Subscribe
Advisories

No advisories yet.

Fixes

Solution

Customers with the products below should install FW1110.30(1110_125), or newer and reboot the system 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 and reboot the system 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 and reboot the system 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 and reboot the system 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)


Workaround

NOTE: If performing a concurrent upgrade you must reboot the system after updating to the new firmware level to generate fresh TME encryption keys and mitigate this CVE

History

Wed, 26 Aug 2026 15:45:00 +0000

Type Values Removed Values Added
First Time appeared Ibm power System E1050 \(9043-mrx\)
Ibm power System E1050 \(9043-mrx\) Firmware
Ibm power System E1080 \(9080-hex\)
Ibm power System E1080 \(9080-hex\) Firmware
Ibm power System E1150 \(9043-mru\)
Ibm power System E1150 \(9043-mru\) Firmware
Ibm power System E1180 \(9080-heu\)
Ibm power System E1180 \(9080-heu\) Firmware
Ibm power System L1022 \(9786-22h\)
Ibm power System L1022 \(9786-22h\) Firmware
Ibm power System L1024 \(9786-42h\)
Ibm power System L1024 \(9786-42h\) Firmware
Ibm power System L1122 \(9856-22h\)
Ibm power System L1122 \(9856-22h\) Firmware
Ibm power System L1124 \(9856-42h\)
Ibm power System L1124 \(9856-42h\) Firmware
Ibm power System S1012 \(9028-21b\)
Ibm power System S1012 \(9028-21b\) Firmware
Ibm power System S1014 \(9105-41b\)
Ibm power System S1014 \(9105-41b\) Firmware
Ibm power System S1022 \(9105-22a\)
Ibm power System S1022 \(9105-22a\) Firmware
Ibm power System S1022s \(9105-22b\)
Ibm power System S1022s \(9105-22b\) Firmware
Ibm power System S1024 \(9105-42a\)
Ibm power System S1024 \(9105-42a\) Firmware
Ibm power System S1114 \(9824-41b\)
Ibm power System S1114 \(9824-41b\) Firmware
Ibm power System S1122 \(9824-22a\)
Ibm power System S1122 \(9824-22a\) Firmware
Ibm power System S1122s \(9824-22b\)
Ibm power System S1122s \(9824-22b\) Firmware
Ibm power System S1124 \(9824-42a\)
Ibm power System S1124 \(9824-42a\) Firmware
CPEs cpe:2.3:h:ibm:power_system_e1050_\(9043-mrx\):-:*:*:*:*:*:*:*
cpe:2.3:h:ibm:power_system_e1080_\(9080-hex\):-:*:*:*:*:*:*:*
cpe:2.3:h:ibm:power_system_e1150_\(9043-mru\):-:*:*:*:*:*:*:*
cpe:2.3:h:ibm:power_system_e1180_\(9080-heu\):-:*:*:*:*:*:*:*
cpe:2.3:h:ibm:power_system_l1022_\(9786-22h\):-:*:*:*:*:*:*:*
cpe:2.3:h:ibm:power_system_l1024_\(9786-42h\):-:*:*:*:*:*:*:*
cpe:2.3:h:ibm:power_system_l1122_\(9856-22h\):-:*:*:*:*:*:*:*
cpe:2.3:h:ibm:power_system_l1124_\(9856-42h\):-:*:*:*:*:*:*:*
cpe:2.3:h:ibm:power_system_s1012_\(9028-21b\):-:*:*:*:*:*:*:*
cpe:2.3:h:ibm:power_system_s1014_\(9105-41b\):-:*:*:*:*:*:*:*
cpe:2.3:h:ibm:power_system_s1022_\(9105-22a\):-:*:*:*:*:*:*:*
cpe:2.3:h:ibm:power_system_s1022s_\(9105-22b\):-:*:*:*:*:*:*:*
cpe:2.3:h:ibm:power_system_s1024_\(9105-42a\):-:*:*:*:*:*:*:*
cpe:2.3:h:ibm:power_system_s1114_\(9824-41b\):-:*:*:*:*:*:*:*
cpe:2.3:h:ibm:power_system_s1122_\(9824-22a\):-:*:*:*:*:*:*:*
cpe:2.3:h:ibm:power_system_s1122s_\(9824-22b\):-:*:*:*:*:*:*:*
cpe:2.3:h:ibm:power_system_s1124_\(9824-42a\):-:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_e1050_\(9043-mrx\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_e1080_\(9080-hex\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_e1150_\(9043-mru\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_e1180_\(9080-heu\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_l1022_\(9786-22h\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_l1024_\(9786-42h\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_l1122_\(9856-22h\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_l1124_\(9856-42h\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_s1012_\(9028-21b\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_s1014_\(9105-41b\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_s1022_\(9105-22a\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_s1022s_\(9105-22b\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_s1024_\(9105-42a\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_s1114_\(9824-41b\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_s1122_\(9824-22a\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_s1122s_\(9824-22b\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_s1124_\(9824-42a\)_firmware:*:*:*:*:*:*:*:*
Vendors & Products Ibm power System E1050 \(9043-mrx\)
Ibm power System E1050 \(9043-mrx\) Firmware
Ibm power System E1080 \(9080-hex\)
Ibm power System E1080 \(9080-hex\) Firmware
Ibm power System E1150 \(9043-mru\)
Ibm power System E1150 \(9043-mru\) Firmware
Ibm power System E1180 \(9080-heu\)
Ibm power System E1180 \(9080-heu\) Firmware
Ibm power System L1022 \(9786-22h\)
Ibm power System L1022 \(9786-22h\) Firmware
Ibm power System L1024 \(9786-42h\)
Ibm power System L1024 \(9786-42h\) Firmware
Ibm power System L1122 \(9856-22h\)
Ibm power System L1122 \(9856-22h\) Firmware
Ibm power System L1124 \(9856-42h\)
Ibm power System L1124 \(9856-42h\) Firmware
Ibm power System S1012 \(9028-21b\)
Ibm power System S1012 \(9028-21b\) Firmware
Ibm power System S1014 \(9105-41b\)
Ibm power System S1014 \(9105-41b\) Firmware
Ibm power System S1022 \(9105-22a\)
Ibm power System S1022 \(9105-22a\) Firmware
Ibm power System S1022s \(9105-22b\)
Ibm power System S1022s \(9105-22b\) Firmware
Ibm power System S1024 \(9105-42a\)
Ibm power System S1024 \(9105-42a\) Firmware
Ibm power System S1114 \(9824-41b\)
Ibm power System S1114 \(9824-41b\) Firmware
Ibm power System S1122 \(9824-22a\)
Ibm power System S1122 \(9824-22a\) Firmware
Ibm power System S1122s \(9824-22b\)
Ibm power System S1122s \(9824-22b\) Firmware
Ibm power System S1124 \(9824-42a\)
Ibm power System S1124 \(9824-42a\) Firmware

Tue, 28 Jul 2026 18:30:00 +0000

Type Values Removed Values Added
Description IBM PowerVM Hypervisor FW1110.00 through FW1110.20, and FW1060.00 through FW1060.71 could allow an attacker with physical access to the Transparent Memory Encryption (TME) hardware to decrypt encrypted memory due to insufficient cryptographic entropy.
Title This Power System update is being released to address Insufficient Entropy
First Time appeared Ibm
Ibm powervm Hypervisor
Weaknesses CWE-331
CPEs cpe:2.3:a:ibm:powervm_hypervisor:fw1060.00.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:powervm_hypervisor:fw1060.00:*:*:*:*:*:*:*
cpe:2.3:a:ibm:powervm_hypervisor:fw1060.71.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:powervm_hypervisor:fw1060.71:*:*:*:*:*:*:*
cpe:2.3:a:ibm:powervm_hypervisor:fw1110.00.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:powervm_hypervisor:fw1110.00:*:*:*:*:*:*:*
cpe:2.3:a:ibm:powervm_hypervisor:fw1110.20.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:powervm_hypervisor:fw1110.20:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm powervm Hypervisor
References
Metrics cvssV3_1

{'score': 4.2, 'vector': 'CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: ibm

Published:

Updated: 2026-07-28T18:46:57.145Z

Reserved: 2026-03-26T19:43:02.211Z

Link: CVE-2026-4932

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2026-07-28T19:17:36.287

Modified: 2026-08-26T14:47:35.463

Link: CVE-2026-4932

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-03T14:45:04Z

Weaknesses