OA24509: PROVIDE EAC FIXS

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• Various MVS control structures (such as TCBs, RBs, LLEs, and
  CDEs) are examined without proper serialization.  Because of
  this, the control blocks could be freed during HSSDIAG
  processing.  Since HSSDIAG runs with a psw key of zero, this can
  result in the disclosure of sensitive data stored in fetch
  protected system key storage.
  

Local fix

• No local fix/workaround
  

Problem summary

• ****************************************************************
  * USERS AFFECTED: All                                          *
  ****************************************************************
  * PROBLEM DESCRIPTION: Various MVS control structures (such    *
  *                      as TCBs, RBs, LLEs, and CDEs) are       *
  *                      examined without proper serialization   *
  *                      Because of this the control blocks      *
  *                      could be freed during HSSDIAG           *
  *                      processing.  Since HSSDIAG runs with a  *
  *                      psw key of zero, this can result in the *
  *                      disclosure of sensitive stored in fetch *
  *                      protected system key storage.           *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  Various MVS control structures (such as TCBs, RBs,
  LLEs, and CDEs) are examined without proper
  serialization.  Because of
  this, the control blocks could be freed during HSSDIAG
  processing.  Since HSSDIAG runs with a psw key of zero,
  this can result in the disclosure of sensitive
  sensitive data stored in fetch protected system key
  storage.
  

Problem conclusion

• Obtain local locks for serialisation. Test User
  access to various storage areas before switching to
  User Key for access to these areas.
  

Temporary fix

• *********
  * HIPER *
  *********
  

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

  UA44592

Modules/Macros

• HSSDIAG
  

Fix information

• Fixed component name

  ENHC ACC CNTRL

• Fixed component ID

  5697H5900

Applicable component levels

• R110 PSY UA44592

     UP08/12/05 P F812

Fix is available

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