focal/linux: 5.4.0-223.243 -proposed tracker

[Manuel Diewald]

This bug will contain status and test results related to a kernel source (or snap) as stated in the title.

For an explanation of the tasks and the associated workflow see:
  https://wiki.ubuntu.com/Kernel/kernel-sru-workflow

-- swm properties --
built:
  from: 5cfbba91e5e4aa42
  route-entry: 1
comments:
  abi-testing: 1
delta:
  promote-to-proposed: []
flag:
  autoprep-requested: true
  boot-testing-requested: true
  bugs-spammed: true
  proposed-announcement-sent: true
  proposed-testing-requested: true
  stream-from-cycle: true
flavours:
  linux-image-extra-virtual: [amd64, arm64, ppc64el, s390x]
  linux-image-extra-virtual-5.4: [amd64, arm64, ppc64el, s390x]
  linux-image-extra-virtual-hwe-18.04: [amd64, arm64, ppc64el, s390x]
  linux-image-extra-virtual-hwe-18.04-edge: [amd64, arm64, ppc64el,
    s390x]
  linux-image-generic: [amd64, arm64, armhf, ppc64el, s390x]
  linux-image-generic-5.4: [amd64, arm64, armhf, ppc64el, s390x]
  linux-image-generic-hwe-18.04: [amd64, arm64, armhf, ppc64el, s390x]
  linux-image-generic-hwe-18.04-edge: [amd64, arm64, armhf, ppc64el,
    s390x]
  linux-image-generic-lpae: [armhf]
  linux-image-generic-lpae-5.4: [armhf]
  linux-image-generic-lpae-hwe-18.04: [armhf]
  linux-image-generic-lpae-hwe-18.04-edge: [armhf]
  linux-image-lowlatency: [amd64]
  linux-image-lowlatency-5.4: [amd64]
  linux-image-lowlatency-hwe-18.04: [amd64]
  linux-image-lowlatency-hwe-18.04-edge: [amd64]
  linux-image-oem: [amd64]
  linux-image-oem-osp1: [amd64]
  linux-image-virtual: [amd64, arm64, ppc64el, s390x]
  linux-image-virtual-5.4: [amd64, arm64, ppc64el, s390x]
  linux-image-virtual-hwe-18.04: [amd64, arm64, ppc64el, s390x]
  linux-image-virtual-hwe-18.04-edge: [amd64, arm64, ppc64el, s390x]
issue: KSRU-19049
packages:
  generate: linux-generate
  lrg: linux-restricted-generate
  lrm: linux-restricted-modules
  lrs: linux-restricted-signatures
  main: linux
  meta: linux-meta
  signed: linux-signed
phase: Holding before Promote to Updates
phase-changed: Friday, 24. October 2025 09:37 UTC
reason:
  :auto-prepare: Ongoing -s prepare/test-build successful
  promote-to-updates: Pending -- snap not yet in candidate (cascaded)
synthetic:
  :auto-prepare: Fix Released
  :promote-to-as-proposed: Invalid
  :promote-to-build-public: Fix Released
testing:
  verification-bugs: ['2124105', '2127329']
trackers:
  bionic/linux-hwe-5.4: bug 2127328
  focal/linux-aws: bug 2127287
  focal/linux-azure: bug 2127290
  focal/linux-bluefield: bug 2127291
  focal/linux-ein: bug 2127306
  focal/linux-fips: bug 2127307
  focal/linux-gcp: bug 2127310
  focal/linux-havana: bug 2127313
  focal/linux-ibm: bug 2127315
  focal/linux-iot: bug 2127318
  focal/linux-kvm: bug 2127319
  focal/linux-nuremberg: bug 2127322
  focal/linux-oracle: bug 2127324
  focal/linux-raspi: bug 2127298
  focal/linux-uc20-efi: bug 2127326
  focal/linux-xilinx-zynqmp: bug 2127327
variant: debs
versions:
  lrm: 5.4.0-223.243+1
  main: 5.4.0-223.243
  meta: 5.4.0.223.215
  signed: 5.4.0-223.243
versions-replace:
  lrm: [5.4.0-223.243]
workflow:
  :auto-prepare: source-complete
~~:
  announce:
    swm-transition-crankable: 2025-10-10 11:21:01.013838
  clamps:
    new-review: 5cfbba91e5e4aa42
    promote-to-proposed: 5cfbba91e5e4aa42
    self: 5.4.0-223.243
    sru-review: 5cfbba91e5e4aa42
  tracker:
    last-message: '2025-10-15 13:08:25.026243+00:00'

[Ubuntu Kernel Ancillary Bot (ubuntu-kernel-ancillary-bot)]

amd64/generic canonical-certs.pem 3 certificates match
amd64/generic canonical-revoked-certs.pem 8 certificates match
amd64/generic fwinfo unchanged
amd64/generic modules unchanged
amd64/generic retpoline unchanged
amd64/lowlatency canonical-certs.pem 3 certificates match
amd64/lowlatency canonical-revoked-certs.pem 8 certificates match
amd64/lowlatency fwinfo unchanged
amd64/lowlatency modules unchanged
amd64/lowlatency retpoline unchanged
arm64/generic canonical-certs.pem 3 certificates match
arm64/generic canonical-revoked-certs.pem 8 certificates match
arm64/generic fwinfo unchanged
arm64/generic modules unchanged
arm64/generic retpoline unchanged
armhf/generic canonical-certs.pem 3 certificates match
armhf/generic canonical-revoked-certs.pem 8 certificates match
armhf/generic fwinfo unchanged
armhf/generic modules unchanged
armhf/generic retpoline unchanged
armhf/generic-lpae canonical-certs.pem 3 certificates match
armhf/generic-lpae canonical-revoked-certs.pem 8 certificates match
armhf/generic-lpae fwinfo unchanged
armhf/generic-lpae modules unchanged
armhf/generic-lpae retpoline unchanged
ppc64el/generic canonical-certs.pem 3 certificates match
ppc64el/generic canonical-revoked-certs.pem 8 certificates match
ppc64el/generic fwinfo unchanged
ppc64el/generic modules unchanged
ppc64el/generic retpoline unchanged
s390x/generic canonical-certs.pem 3 certificates match
s390x/generic canonical-revoked-certs.pem 8 certificates match
s390x/generic fwinfo unchanged
s390x/generic modules unchanged
s390x/generic retpoline unchanged

[Manuel Diewald (diewald)]

LP: #2124105 (CVE-2025-40300) has been thoroughly tested and verified during backporting.