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CVE PROGRAM SOURCE RECORD5.1 Medium

CVE-2026-4936

Power System Insufficient Entropy

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Status
Published
Published
Updated
Assigning organization
ibm

Description

IBM PowerVM Hypervisor Platform KeyStore (PKS) and virtual TPM FW1110.00 through FW1110.20, FW1060.00 through FW1060.71, and FW950.00 through FW950.H2 use persistent storage key seeds that result in an AES key with reduced strength. An attacker with access to the service processor or HMC could exploit this weakness to derive the encryption key and access the data.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

IBM PowerVM Hypervisor

  • FW1110.00 to ≤ FW1110.20affected
  • FW1060.00 to ≤ FW1060.71affected
  • FW950.00 to ≤ FW950.H2affected

References