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IV59390: POTENTIAL SECURITY ISSUE. CRASH USING CAA WITH AN INVALID PACKET APPLIES TO AIX 7100-03

A fix is available

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APAR status

  • Closed as program error.

Error description

  • Systems running CAA can crash when the system receives a
    particular packet on the network that CAA think is valid,
    but it is not a valid CAA packet.
    .
    The crash would happen with this stack:
    (5)> f
    pvthread+001C00 STACK:
    Ý0000B594¨.fetch_and_addlp+000014 ()
    Ý06C6B6F4¨cluster_handle_ours+002A94 (??)
    Ý06C66A9C¨cluster_handled+0002BC (??, ??)
    Ý05D5D64C¨rx_handler+00082C (??, ??)
    Ý05D60288¨goent_slih+0008A8 (??)
    Ý001B6B90¨i_poll_soft+000170 (??)
    Ý001B6490¨i_softmod+000630 ()
    Ý000EA44C¨flih_util+000258 ()
    

Local fix

  • N/A
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:
    * Systems running the 7100-03 Technology Level with the
    * bos.cluster.rte fileset between and including the 7.1.3.0 and
    * 7.1.3.15 levels
    ****************************************************************
    * PROBLEM DESCRIPTION:
    * Systems running CAA can crash when the system receives a
    * particular packet on the network that CAA think is valid,
    * but it is not a valid CAA packet.
    *
    * (5)> f
    * pvthread+001C00 STACK:
    * 0000B594 .fetch_and_addlp+000014 ()
    * 06C6B6F4 cluster_handle_ours+002A94 (??)
    * 06C66A9C cluster_handled+0002BC (??, ??)
    * 05D5D64C rx_handler+00082C (??, ??)
    * 05D60288 goent_slih+0008A8 (??)
    * 001B6B90 i_poll_soft+000170 (??)
    * 001B6490 i_softmod+000630 ()
    * 000EA44C flih_util+000258 ()
    ****************************************************************
    * RECOMMENDATION:
    * Install APAR IV59390.
    ****************************************************************
    

Problem conclusion

  • Remove extraneous lines causing crash.
    

Temporary fix

Comments

  • 6100-09 - use AIX APAR IV59533
    6100-09 - use AIX APAR IV59533
    7100-03 - use AIX APAR IV59390
    7100-03 - use AIX APAR IV59390
    7100-04 - use AIX APAR IV59684
    

APAR Information

  • APAR number

    IV59390

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    YesPE

  • HIPER

    NoHIPER

  • Submitted date

    2014-04-17

  • Closed date

    2014-04-18

  • Last modified date

    2016-05-10

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

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

    IV59533 IV59684

Fix information

  • Fixed component name

    AIX V7.1

  • Fixed component ID

    5765H4000

Applicable component levels

  • R710 PSY U862108

       UP14/10/29 I 1000

PTF to Fileset Mapping

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Document Information

Modified date:
10 May 2016