CVE-2026-4937
5.3
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
Summary
IBM PowerVM Hypervisor FW1110.00 through FW1110.20, FW1060.00 through FW1060.71, and FW950.00 through FW950.H2 could allow a local attacker with administrative privileges to decrypt encrypted data due to certain hypervisor calls utilizing less entropy than requested.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| IBM | PowerVM Hypervisor | FW1110.00 <= FW1110.20 | affected |
| IBM | PowerVM Hypervisor | FW1060.00 <= FW1060.71 | affected |
| IBM | PowerVM Hypervisor | FW950.00 <= FW950.H2 | affected |
Weaknesses
- CWE-331: CWE-331 Insufficient Entropy
Workarounds
Fully remediating this CVE requires administrators that have enabled Platform Keystore to take the following actions:
- Reboot any partitions that have Platform Keystore enabled after updating firmware.
- Regenerate all cryptographic keys that were generated by Platform Keystore on affected firmware versions, as those keys are considered weak.
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.