Veille CVE
CVE-2026-17042
7.3 ÉlevéeDescription
IBM Power Systems Firmware FW950.00 through FW950.H2, OP940.00 through OP940.a1 (Power9), and OP940.00 - OP940.81 (Power HMC) is affected by a vulnerability in host firmware NVRAM parsing. An attacker with root access to a guest partition on an OpenPOWER system can write a specially crafted NVRAM image, causing the host firmware boot stage to crash with possible memory corruption. This condition persists until operator intervention — clearing NVRAM via the service processor — to restore normal operation. This vulnerability only affects OpenPOWER systems; systems running PowerVM are not affected. Successful exploitation results in an integrity and availability impact to the managed system.
Produits concernés
- IBM Power Systems Firmware
- Ibm power system s922 \(9009-22g\) firmware
- Ibm power system h922 \(9223-22s\) firmware
- Ibm power system s914 \(9009-41g\) firmware
- Ibm power system s924 \(9009-42g\) firmware
- Ibm power system h924 \(9223-42s\) firmware
- Ibm power system e950 \(9040-mr9\) firmware
- Ibm power system e980 \(9080-m9s\) firmware
- Ibm power system ac922 \(8335-gth\) firmware
- Ibm power system ac922 \(8335-gtx\) firmware
- Ibm power hardware management console \(7063-cr2\) firmware
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 7.3 Élevée | psirt@us.ibm.com (NVD) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H |
Faiblesses (CWE)
Références
- https://www.ibm.com/support/pages/node/7283240 Vendor Advisory