This bug was fixed in the package linux-kvm - 5.4.0-1032.33

---------------
linux-kvm (5.4.0-1032.33) focal; urgency=medium

  * focal/linux-kvm: 5.4.0-1032.33 -proposed tracker (LP: #1911326)

  * CONFIG_BASE_SMALL=1 restricts pid space, which conflicts with systemd
    default sysctl (LP: #1866149)
    - [Config]: set CONFIG_BASE_FULL

  * Missing module nfsv4 in linux-kvm (LP: #1907266)
    - [Config] kvm: Enable NFSv4

  [ Ubuntu: 5.4.0-63.71 ]

  * focal/linux: 5.4.0-63.71 -proposed tracker (LP: #1911333)
  * overlay: permission regression in 5.4.0-51.56 due to patches related to
    CVE-2020-16120 (LP: #1900141)
    - ovl: do not fail because of O_NOATIME
  * Focal update: v5.4.79 upstream stable release (LP: #1907151)
    - net/mlx5: Use async EQ setup cleanup helpers for multiple EQs
    - net/mlx5: poll cmd EQ in case of command timeout
    - net/mlx5: Fix a race when moving command interface to events mode
    - net/mlx5: Add retry mechanism to the command entry index allocation
  * Kernel 5.4.0-56 Wi-Fi does not connect (LP: #1906770)
    - mt76: fix fix ampdu locking
  * [Ubuntu 21.04 FEAT] mpt3sas: Request to include the patch set which supports
    topology where zoning is enabled in expander (LP: #1899802)
    - scsi: mpt3sas: Define hba_port structure
    - scsi: mpt3sas: Allocate memory for hba_port objects
    - scsi: mpt3sas: Rearrange _scsih_mark_responding_sas_device()
    - scsi: mpt3sas: Update hba_port's sas_address & phy_mask
    - scsi: mpt3sas: Get device objects using sas_address & portID
    - scsi: mpt3sas: Rename transport_del_phy_from_an_existing_port()
    - scsi: mpt3sas: Get sas_device objects using device's rphy
    - scsi: mpt3sas: Update hba_port objects after host reset
    - scsi: mpt3sas: Set valid PhysicalPort in SMPPassThrough
    - scsi: mpt3sas: Handling HBA vSES device
    - scsi: mpt3sas: Add bypass_dirty_port_flag parameter
    - scsi: mpt3sas: Handle vSES vphy object during HBA reset
    - scsi: mpt3sas: Add module parameter multipath_on_hba
    - scsi: mpt3sas: Bump driver version to 35.101.00.00

  [ Ubuntu: 5.4.0-62.70 ]

  * focal/linux: 5.4.0-62.70 -proposed tracker (LP: #1911144)
  * CVE-2020-28374
    - SAUCE: target: fix XCOPY NAA identifier lookup
  * Packaging resync (LP: #1786013)
    - update dkms package versions

  [ Ubuntu: 5.4.0-60.67 ]

  * Packaging resync (LP: #1786013)
    - [Packaging] update variants
    - update dkms package versions
  * CVE-2021-1052 // CVE-2021-1053
    - [Packaging] NVIDIA -- Add the NVIDIA 460 driver

 -- Kelsey Skunberg <kelsey.skunb...@canonical.com>  Thu, 14 Jan 2021
15:25:42 -0700

** Changed in: linux-kvm (Ubuntu Focal)
       Status: Fix Committed => Fix Released

** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2020-16120

** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2020-28374

** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-1052

** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-1053

** Changed in: linux-kvm (Ubuntu Groovy)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1907266

Title:
  Missing module nfsv4 in linux-kvm

Status in linux-kvm package in Ubuntu:
  Fix Committed
Status in linux-kvm source package in Focal:
  Fix Released
Status in linux-kvm source package in Groovy:
  Fix Released
Status in linux-kvm source package in Hirsute:
  Fix Committed

Bug description:
  [Impact]

  The nfsv4 module is not enabled in the linux-kvm kernel. There are
  customers and users of linux-kvm that want/need to use NFS version 4.

  [Test Case]

  $ modinfo nfsv4
  modinfo: ERROR: Module nfsv4 not found.

  [Where problems could occur]

  It's a new module and loading it could crash a system (if the module
  is buggy). In addition, the kernel now provides its own DNS resolver
  for CIFS, NFS and AFS (and potentially others) and those lookups might
  fail if that particular code is broken.

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