Notification
Risk classification
HIPER (High Impact and/or Pervasive)
Risk categories
Severe Performance Impact
Affected Domain
LPARs running OpenSSL on AIX 7.3 on Power10 in Power10 native processor mode
Abstract
OpenSSL in AIX 7.3 on Power10 in Power10 native mode does not use hardware encryption acceleration
Description
For LPARs running AIX 7.3 on Power10 in Power10 native processor mode, an issue has been identified with the AIX OpenSSL packages below where Power in-core crypto acceleration is not detected and used. This results in significantly degraded encryption performance.
Recommended Action
Affected OpenSSL Levels and Recommended Fixes
| Minimum Affected Level | Maximum Affected Level | Fixing Level | Interim Fix |
|---|---|---|---|
| openssl.base 1.0.2.500 | openssl.base 1.0.2.2104 | openssl.base 1.0.2.2105 | iFix |
| openssl.base 1.1.1.0 | openssl.base 1.1.1.1201 | openssl.base 1.1.1.1202 | iFix |
| openssl.base 1.1.2.0 | openssl.base 1.1.2.1201 | openssl.base 1.1.2.1202 | iFix |
| openssl.base 20.13.102.1000 | openssl.base 20.16.102.2105 | openssl.base 20.16.102.2106 | iFix |
| Note: The OpenSSL for AIX packages above can be obtained from the AIX Web Download Pack Programs . | |||
This table describes which active levels are affected and where to obtain fixes.
Before the fileset fix is available, an interim fix (iFix) is available for each affected level.
The available interim fixes might apply only to the latest Service Packs. If a custom interim fix is required, contact IBM Support.
The interim fixes can be downloaded from the same location by using FTP, HTTP, or HTTPS.
Date first published
14 September 2022
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Document Information
Modified date:
14 September 2022
UID
ibm16620187