CVE-2026-98120 netfs: Fix subreq ref leak

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/netfs/direct_write.c"
    ],
    "versions": [
      {
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        "status": "affected",
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      },
      {
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        "status": "affected",
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      },
      {
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      },
      {
        "version": "0c29f6d63122a0168d67cb8ecde5b4cf7fe4acb0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.18.17",
        "lessThan": "6.18.53",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.19.7",
        "lessThan": "6.20",
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        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/netfs/direct_write.c"
    ],
    "versions": [
      {
        "version": "7.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "7.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.53",
        "lessThanOrEqual": "6.18.*",
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        "versionType": "semver"
      },
      {
        "version": "7.2.7",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]