CVE-2026-31703 writeback: Fix use after free in inode_switch_wbs_work_fn()

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/fs-writeback.c"
    ],
    "versions": [
      {
        "version": "e1b849cfa6b61f1c866a908c9e8dd9b5aaab820b",
        "lessThan": "028103656b84273c73e9e271cf95c9f3421f4b8a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e1b849cfa6b61f1c866a908c9e8dd9b5aaab820b",
        "lessThan": "9223e5f30403a9b506d6d0bff4f2e29a2d7d46af",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e1b849cfa6b61f1c866a908c9e8dd9b5aaab820b",
        "lessThan": "6689f01d6740cf358932b3e97ee968c6099800d9",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/fs-writeback.c"
    ],
    "versions": [
      {
        "version": "6.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.25",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.2",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]