CVE-2026-16682

This Power System update is being released to address

publishedCWE-908

IBM Power Systems Firmware FW1120.00 through FW1120.01, FW1110.00 through FW1110.31, FW1060.00 through FW1060.81, OP940.00 through OP940.A2, OP910.00 through OP910.95, and OP940.00 through OP940.82 could allow a remote attacker to cause a denial of service due to improper handling of uninitialized resources.

Technical severity6.5 mediumCVSS 3.1 · CNA: ibm

Published2026-11-08Source updated 2026-11-08

Collected2026-11-081 attributed source

Fixes and workarounds

Fix

Customers with the products below should install FW1120.02(1120_195), FW1110.32(1110_160) or newer to remediate this vulnerability. Power 11 1) IBM Power System S1122 (9824-22A) 2) IBM Power System S1124 (9824-42A) 3) IBM Power System S1122s (9824-22B) 4) IBM Power System S1114 (9824-41B) 5) IBM Power System L1122 (9856-22H) 6) IBM Power System L1124 (9856-42H) 7) IBM Power System E1150 (9043-MRU) 8) IBM Power System S1112 (9242-21B, 9242-21T) Customers with the products below should install FW1060.82(1060_199) or newer to remediate this vulnerability. Power 10 1) IBM Power System S1022 (9105-22A) 2) IBM Power System S1024 (9105-42A) 3) IBM Power System S1022s (9105-22B) 4) IBM Power System S1014 (9105-41B) 5) IBM Power System L1022 (9786-22H) 6) IBM Power System L1024 (9786-42H) 7) IBM Power System E1050 (9043-MRX) 8) IBM Power System S1012 (9028-21B) Customers with the products below should install OP940.A3, OP910.96 or newer to remediate this vulnerability. OpenPower 9 1) IBM Power System AC922 (8335-GTG) 2) IBM Power System AC922 (8335-GTC, 8335-GTW) 3) IBM Power System AC922 (8335-GTH, 8335-GTX) Customers with the products below should install OP940.83 or newer to remediate this vulnerability. 1) IBM Power Hardware Management Console (7063-CR2) The images mentioned above can be located at IBM Fix Central : https://www.ibm.com/support/fixcentral/

Source: CNA: ibm

Workaround

Protect access to the BMC's network interface by operating it on a private network or behind a firewall.

Source: CNA: ibm

Fix

The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.

Source: CNA: ibm

Affected products and versions

Affected products, source version ranges and reporting authorities
Product	Versions	Authority
OPENBMC IBM	≥ FW1120.00; ≤ FW1120.01 (affected, semver) ≥ FW1110.00; ≤ FW1110.31 (affected, semver) ≥ FW1060.00; ≤ FW1060.81 (affected, semver) ≥ OP940.00; ≤ OP940.A2 (affected, semver) ≥ OP910.00; ≤ OP910.95 (affected, semver)	CNA: ibm
Hardware Management Console IBM	≥ OP940.00; ≤ OP940.82 (affected, semver)	CNA: ibm

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / score	Vector	Authority
3.1 / 6.5 medium	`CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`	CNA: ibm

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

https://www.ibm.com/support/pages/node/7294279CNA: ibm · vendor-advisory, patch

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