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IC70473: SECURITY: POTENTIAL CRASH WITH STMM ENABLED AND DATABASE_MEMORY SET TO AUTOMATIC

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • In a rare case, a malicious user with local system access could
    potentially cause a DB2 server on the system containing an
    active database with STMM enabled and DATABASE_MEMORY set to
    AUTOMATIC to crash.
    

Local fix

  • Disable automatic tuning of DATABASE_MEMORY, if possible.
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * DB2 Users on UNIX platforms with STMM enabled and            *
    * DATABASE_MEMORY set to AUTOMATIC.                            *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description.                                       *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to DB2 Version 9.7 Fix Pack 5.                       *
    ****************************************************************
    

Problem conclusion

  • The problem is first fixed in DB2 Version 9.7 Fix Pack 5.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IC70473

  • Reported component name

    DB2 FOR LUW

  • Reported component ID

    DB2FORLUW

  • Reported release

    970

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2010-08-11

  • Closed date

    2011-10-28

  • Last modified date

    2011-10-28

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

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

    IC71115 IC83403 IC83406 IC83409 IC83417 IC83419 IC83454 IC83456
    IC83511

Fix information

  • Fixed component name

    DB2 FOR LUW

  • Fixed component ID

    DB2FORLUW

Applicable component levels

  • R970 PSN

       UP



Document information

More support for: DB2 for Linux, UNIX and Windows

Software version: 9.7

Reference #: IC70473

Modified date: 28 October 2011