A fix is available
APAR status
Closed as program error.
Error description
An EXEC CICS QUERY SECURITY USERID command passed a userid of x'4040404040404040' - Eight spaces/blanks. This command can cause an overlay of security domain directory blocks. Later resource checks or attempts to delete the user associated with the overlaid directory block will unexpectedly fail. Messages DFHXS0001 or DFHXS0002 may be issued along with system dumps.
Local fix
N/A
Problem summary
**************************************************************** * USERS AFFECTED: All CICS users. * **************************************************************** * PROBLEM DESCRIPTION: EXEC CICS QUERY SECURITY USERID command * * may cause overlay of security domain * * directory blocks when a blank userid * * is passed. * **************************************************************** An EXEC CICS QUERY SECURITY USERID command passed a userid of X'4040404040404040' - eight spaces/blanks. This command may cause an overlay of security domain directory blocks. Later when resource checks or attempts to delete the user associated with the overlaid directory block, it will unexpectedly fail. CICS system abend code DFHXS0001 or DFHXS0002 may be issued along with system dumps.
Problem conclusion
CICS has been changed to return USERIDERR to the application and not overlay storage when EXEC CICS QUERY SECURITY USERID command passed a blank userid.
Temporary fix
Comments
APAR Information
APAR number
PH49256
Reported component name
CICS TS Z/OS V6
Reported component ID
5655YA100
Reported release
400
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2022-09-05
Closed date
2022-10-06
Last modified date
2022-11-01
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
UI82735
Modules/Macros
DFHESE
Fix information
Fixed component name
CICS TS Z/OS V6
Fixed component ID
5655YA100
Applicable component levels
R400 PSY UI82735
UP22/10/25 P F210
Fix is available
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Document Information
Modified date:
01 November 2022