CVE-2026-4937
Power System Insufficient Entropy
- State
- Published
- Severity
- 5.3 Medium
- Published
- Aug 19, 2026
- Updated
- Aug 20, 2026
- Reserved
- Mar 26, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.3 Medium | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N | ibm |
Weaknesses
- CWE-331 Insufficient Entropy
Affected Products
| Product | Versions |
|---|---|
PowerVM HypervisorIBM |
|
References
- https://www.ibm.com/support/pages/node/7283900vendor-advisorypatch
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