ghsa-8rhx-6jcw-6ghv
Vulnerability from github
Published
2025-05-09 09:33
Modified
2025-05-09 09:33
Details

In the Linux kernel, the following vulnerability has been resolved:

jbd2: remove wrong sb->s_sequence check

Journal emptiness is not determined by sb->s_sequence == 0 but rather by sb->s_start == 0 (which is set a few lines above). Furthermore 0 is a valid transaction ID so the check can spuriously trigger. Remove the invalid WARN_ON.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-37839"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-05-09T07:16:04Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\njbd2: remove wrong sb-\u003es_sequence check\n\nJournal emptiness is not determined by sb-\u003es_sequence == 0 but rather by\nsb-\u003es_start == 0 (which is set a few lines above). Furthermore 0 is a\nvalid transaction ID so the check can spuriously trigger. Remove the\ninvalid WARN_ON.",
  "id": "GHSA-8rhx-6jcw-6ghv",
  "modified": "2025-05-09T09:33:19Z",
  "published": "2025-05-09T09:33:19Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-37839"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3b4643ffaf72d7a5a357e9bf68b1775f8cfe7e77"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9eaec071f111cd2124ce9a5b93536d3f6837d457"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ad926f735b4d4f10768fec7d080cadeb6d075cac"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b0cca357f85beb6144ab60c62dcc98508cc044bf"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b479839525fe7906966cdc4b5b2afbca048558a1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c88f7328bb0fff66520fc9164f02b1d06e083c1b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c98eb9ffb1d9c98237b5e1668eee17654e129fb0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cf30432f5b3064ff85d85639c2f0106f89c566f6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e6eff39dd0fe4190c6146069cc16d160e71d1148"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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