CVE-2026-53180 timers/migration: Fix livelock in tmigr_handle_remote_up()

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/time/timer_migration.c"
    ],
    "versions": [
      {
        "version": "7ee988770326fca440472200c3eb58935fe712f6",
        "lessThan": "07b3b83587fb3012619f4439389b64a955fc7836",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7ee988770326fca440472200c3eb58935fe712f6",
        "lessThan": "1d6c2062b77be09ec15d6bf637b2e2221c4482fc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7ee988770326fca440472200c3eb58935fe712f6",
        "lessThan": "d338e61ea94052a786aac9f58e9f0d8520afa0fd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7ee988770326fca440472200c3eb58935fe712f6",
        "lessThan": "d486b4934a8e504376b85cdb3766f306d57aff5b",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/time/timer_migration.c"
    ],
    "versions": [
      {
        "version": "6.9",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.9",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.94",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.36",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.13",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]