component: "CMS"
release: "7.4"
last_updated: "2026-08-01"

rows:
  - level: "0701"
    available: "2026-07-10"
    type: "Hot fix"
    crit_pe: "No"
    security: "Yes"
    hiper: "No"
    ptf: "UM90621"
    apars:
      - id: "VM66953"
        link: "https://www.ibm.com/support/resourcelink/security-portal/"
        summary: "z/VM 7.4 CMS SECURITY APAR - Feature 07 Fix 01"
    details: {}

  - level: "0700"
    available: "2026-07-07"
    type: "Hardware support"
    crit_pe: "No"
    security: "No"
    hiper: "No"
    ptf: "UM90618"
    apars:
      - id: "VM66927"
        link: "https://www.ibm.com/support/pages/apar/VM66927"
        summary: "z/VM 7.4 CMS Feature Pack - Feature 07 Fix 00"
    details:
      items:
        - title: "ICP IOCP 7.1.3 Support"
          description: "This feature pack introduces a new release of ICP IOCP and is VERSION 7 RELEASE 1 LEVEL 3 (7.1.3) of the program. ICP IOCP support for Models ME2, MER, ML2, MLR; requires z/CMS support."

  - level: "0604"
    available: "2026-06-23"
    type: "Hot fix"
    crit_pe: "No"
    security: "Yes"
    hiper: "No"
    ptf: "UM90616"
    apars:
      - id: "VM66950"
        link: "https://www.ibm.com/support/resourcelink/security-portal/"
        summary: "z/VM 7.4 CMS SECURITY APAR - Feature 06 Fix 04"
    details: {}

  - level: "0603"
    available: "2026-06-18"
    type: "Fix pack"
    crit_pe: "No"
    security: "No"
    hiper: "No"
    ptf: "UM90613"
    apars:
      - id: "VM66913"
        link: "https://www.ibm.com/support/pages/apar/VM66913"
        summary: "z/VM 7.4 CMS Fix Pack - Feature 06 Fix 03"
    details:
      items:
        - title: "OpenExtensions DLL_load doesn't allow program load from the BFS"
          description: "The OpenExtensions DLL_load (BPX1LOD) service implemented via DMSDLL (Dynamic Link Library load) doesn't provide the parameters required to load a program from the Byte File System (BFS), causing various problems, including program exceptions. An operation exception program check is thrown at intermittent times when executing Python from the BFS. This fix pack addresses this issue."

  - level: "0602"
    available: "2026-05-29"
    type: "Hot fix"
    crit_pe: "No"
    security: "Yes"
    hiper: "No"
    ptf: "UM90607"
    apars:
      - id: "VM66941"
        link: "https://www.ibm.com/support/resourcelink/security-portal/"
        summary: "z/VM 7.4 CMS SECURITY APAR - Feature 06 Fix 02"
    details: {}

  - level: "0601"
    available: "2026-05-11"
    type: "Hot fix"
    crit_pe: "No"
    security: "Yes"
    hiper: "No"
    ptf: "UM90600"
    apars:
      - id: "VM66931"
        link: "https://www.ibm.com/support/resourcelink/security-portal/"
        summary: "z/VM 7.4 CMS SECURITY APAR - Feature 06 Fix 01"
    details: {}

  - level: "0600"
    available: "2026-05-05"
    type: "Feature pack"
    crit_pe: "No"
    security: "No"
    hiper: "No"
    ptf: "UM90596"
    apars:
      - id: "VM66893"
        link: "https://www.ibm.com/support/pages/apar/VM66893"
        summary: "z/VM 7.4 CMS Feature Pack - Feature 06 Fix 00"
    details:
      items:
        - title: "SMAPI API to rename a virtual machine userID in the user directory"
          description: "New SMAPI API will allow the name of a virtual machine to be changed int he user directory."
        - title: "GetShopz for Install Media"
          description: "Enable GetShopz to transfer z/VM installation media (ZIP format) directly to a CMS minidisk."

  - level: "0500"
    available: "2025-12-17"
    type: "Hardware support"
    crit_pe: "No"
    security: "No"
    hiper: "No"
    ptf: "UM90579"
    apars:
      - id: "VM66899"
        link: "https://www.ibm.com/support/pages/apar/VM66899"
        summary: "z/VM 7.4 CMS Feature Pack - Feature 05 Fix 00"
    details:
      items:
        - title: "ICP IOCP 7.1.2 Support"
          description: "This feature pack introduces a new release of ICP IOCP and is VERSION 7 RELEASE 1 LEVEL 2 (7.1.2) of the program. ICP IOCP supports the IBM z17 9175 model ME1 and the IBM LinuxONE Emperor 5 model ML1."

  - level: "0403"
    available: "2025-12-12"
    type: "Hot fix"
    crit_pe: "No"
    security: "Yes"
    hiper: "No"
    ptf: "UM90574"
    apars:
      - id: "VM66902"
        link: "https://www.ibm.com/support/resourcelink/security-portal/"
        summary: "z/VM 7.4 CMS SECURITY APAR - Feature 04 Fix 03"
    details: {}

  - level: "0402"
    available: "2025-10-29"
    type: "Fix pack"
    crit_pe: "No"
    security: "No"
    hiper: "No"
    ptf: "UM90567"
    apars:
      - id: "VM66894"
        link: "https://www.ibm.com/support/pages/apar/VM66894"
        summary: "z/VM 7.4 CMS Fix Pack - Feature 04 Fix 02"
    details:
      items:
        - title: "z/CMS was preventing use of CP Diagnose X'214', Pending Page Release"
          description: "This caused memory initialization to be performed by CMS rather than deferred to CP, which resulted in a loop issuing a Set Storage Key instruction for each page of allocated memory. While Diagnose x'214' is not supported for memory above 2GB in a z/Architecture virtual machine, it is supported for memory below 2GB and provides a significant performance improvement. z/CMS has been changed to enable Pending Page Release and use it for memory below 2GB."
        - title: "DMSSJGDD $EXEC has been updated such that retry logic has been added with some delay"
          description: "The code links and accesses the DIRMAINT 1DF disk until the EXTENT CONTROL file can be successfully read or the maximum five tries is exhausted."
        - title: "Fix for SMAPI Virtual_Network_Vswitch_Query_Extended API"
          description: "The error is in DMSSSVQE and requires a one line change to a REXX parse instruction."

  - level: "0401"
    available: "2025-10-14"
    type: "Hot fix"
    crit_pe: "No"
    security: "Yes"
    hiper: "No"
    ptf: "UM90561"
    apars:
      - id: "VM66869"
        link: "https://www.ibm.com/support/resourcelink/security-portal/"
        summary: "z/VM 7.4 CMS SECURITY APAR - Feature 04 Fix 01"
    details: {}

  - level: "0400"
    available: "2025-10-03"
    type: "Feature pack"
    crit_pe: "No"
    security: "No"
    hiper: "No"
    ptf: "UM90553"
    apars:
      - id: "VM66872"
        link: "https://www.ibm.com/support/pages/apar/VM66872"
        summary: "z/VM 7.4 CMS Feature Pack - Feature 04 Fix 00"
    details:
      items:
        - title: "Diff and Patch Utilities"
          description: "Unified Diff and Patch for CMS is an implementation of the unified diff format via two CMS utilities. The UDIFF utility generates a diff file from two input files, while the UPATCH utility applies the changes from an input patch file to an input source file. Diff files can be distributed and applied to other copies of the original source file to apply these changes, much like the CMS/XEDIT update facility."
        - title: "SMAPI Support for Query Linear Service"
          description: "SMAPI Support for Query Linear Service provides enhancements to the SMAPI System_Service_Query API to support querying the LEVELS information that is provided in VMSES Feature Pack 01 (VM66840)."
        - title: "DirMaint and SMAPI LOADDEV Alternate Support"
          description: "DirMaint and SMAPI LOADDEV Alternate Support provides enhancements to SMAPI in order to support elements of Secure IPL."

  - level: "0301"
    available: "2025-07-30"
    type: "Fix pack"
    crit_pe: "No"
    security: "No"
    hiper: "No"
    ptf: "UM90543"
    apars:
      - id: "VM66867"
        link: "https://www.ibm.com/support/pages/apar/VM66867"
        summary: "z/VM 7.4 CMS Fix Pack - Feature 03 Fix 01"
    details:
      items:
        - title: "z/CMS unnecessarily prevents all use of Diagnose x'214'"
          description: "The change simply deletes two instructions that surround the Diagnose x'214' verification code during storage initialization."
        - title: "GetShopz exits with no messages in certain environments"
          description: "GetShopz occasionally identified 1024 as an available port and attempted to use it. If the port was unavailable, GetShopz would exit with no messages. This fix now tried to connect to a different port, and if successful, saves it in GLOBALV. If unsuccessful, then an error message is displayed and DEBUG PORT provides more helpful output."
        - title: "GetShopz may corrupt unknown files being transferred"
          description: "Changes were made to how GetShopz handles TERSED files with various compression algorithms and fixes a bug that was causing record duplication."

  - level: "0300"
    available: "2025-06-18"
    type: "Hardware support"
    crit_pe: "No"
    security: "No"
    hiper: "No"
    ptf: "UM90537"
    apars:
      - id: "VM66828"
        link: "https://www.ibm.com/support/pages/apar/VM66828"
        summary: "z/VM 7.4 CMS Hardware Support - Feature 03 Fix 00"
    details:
      items:
        - title: "IBM z17 Support and Exploitation"
          description: "Provides support to allow users to develop or enhance system management tools related to EQDIO devices."

  - level: "0201"
    available: "2025-05-19"
    type: "Hot fix"
    crit_pe: "No"
    security: "Yes"
    hiper: "No"
    ptf: "UM90527"
    apars:
      - id: "VM66847"
        link: "https://www.ibm.com/support/resourcelink/security-portal/"
        summary: "z/VM 7.4 CMS SECURITY APAR - Feature 02 Fix 01"
    details: {}

  - level: "0200"
    available: "2025-04-08"
    type: "Hardware support"
    crit_pe: "No"
    security: "No"
    hiper: "No"
    ptf: "UM90520"
    apars:
      - id: "VM66827"
        link: "https://www.ibm.com/support/pages/apar/VM66827"
        summary: "z/VM 7.4 CMS Hardware Support - Feature 02 Fix 00"
    details:
      items:
        - title: "IBM z17 Support and Exploitation"
          description: "ICP IOCP support; requires z/CMS - IOCP supports the IBM z17 9175 model ME1 and the IBM LinuxONE Emperor 5 model ML1."

  - level: "0100"
    available: "2025-04-03"
    type: "Feature pack"
    crit_pe: "No"
    security: "No"
    hiper: "No"
    ptf: "UM90516"
    apars:
      - id: "VM66834"
        link: "https://www.ibm.com/support/pages/apar/VM66834"
        summary: "z/VM 7.4 CMS Feature Pack - Feature 01 Fix 00"
    details:
      items:
        - title: "GetShopz ServiceLink Support"
          description: "Provide support in GetShopz for direct to host transfer of service packages from IBM ServiceLink. GetShopz currently has the function to securely transfer z/VM service packages directly from Shopz. This new function APAR will provide the same ability for orders from ServiceLink."

  - level: "0003"
    available: "2024-12-17"
    type: "Hot fix"
    crit_pe: "No"
    security: "Yes"
    hiper: "No"
    ptf: "UM90499"
    apars:
      - id: "VM66817"
        link: "https://www.ibm.com/support/resourcelink/security-portal/"
        summary: "z/VM 7.4 CMS SECURITY APAR - Feature 00 Fix 03"
    details: {}

  - level: "0002"
    available: "2024-11-25"
    type: "Fix pack"
    crit_pe: "No"
    security: "No"
    hiper: "No"
    ptf: "UM90489"
    apars:
      - id: "VM66809"
        link: "https://www.ibm.com/support/pages/apar/VM66809"
        summary: "z/VM 7.4 CMS Fix Pack - Feature 00 Fix 02"
    details:
      items:
        - title: "Correct PIPGFTXT building a filter package that contains parts with long lines"
          description: "The default for PIPGFTXT is to compress the REXX programs that are included in the filter package. This may result in long source lines. The code in PIPGFTXT has been fixed to correctly compute the length of long lines as well. This ensures a working filter package is created."

  - level: "0001"
    available: "2024-09-23"
    type: "Hot fix"
    crit_pe: "No"
    security: "Yes"
    hiper: "No"
    ptf: "UM90473"
    apars:
      - id: "VM66794"
        link: "https://www.ibm.com/support/resourcelink/security-portal/"
        summary: "z/VM 7.4 CMS SECURITY APAR - Feature 00 Fix 01"
    details: {}