CVE-2025-37839 (GCVE-0-2025-37839)
Vulnerability from cvelistv5
Published
2025-05-09 06:41
Modified
2025-05-26 05:22
Severity ?
Summary
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.
References
Impacted products
Vendor Product Version
Linux Linux Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
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{
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          "programFiles": [
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          "vendor": "Linux",
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      "cpeApplicability": [
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      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-26T05:22:01.626Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/cf30432f5b3064ff85d85639c2f0106f89c566f6"
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          "url": "https://git.kernel.org/stable/c/b479839525fe7906966cdc4b5b2afbca048558a1"
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          "url": "https://git.kernel.org/stable/c/c88f7328bb0fff66520fc9164f02b1d06e083c1b"
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          "url": "https://git.kernel.org/stable/c/b0cca357f85beb6144ab60c62dcc98508cc044bf"
        },
        {
          "url": "https://git.kernel.org/stable/c/e6eff39dd0fe4190c6146069cc16d160e71d1148"
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      "title": "jbd2: remove wrong sb-\u003es_sequence check",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-37839",
    "datePublished": "2025-05-09T06:41:49.105Z",
    "dateReserved": "2025-04-16T04:51:23.952Z",
    "dateUpdated": "2025-05-26T05:22:01.626Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2025-37839\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-09T07:16:04.593\",\"lastModified\":\"2025-05-12T17:32:52.810\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"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.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: jbd2: eliminar la comprobaci\u00f3n incorrecta de sb-\u0026gt;s_sequence. El vac\u00edo del diario no se determina por sb-\u0026gt;s_sequence == 0, sino por sb-\u0026gt;s_start == 0 (que se establece unas l\u00edneas m\u00e1s arriba). Adem\u00e1s, 0 es un ID de transacci\u00f3n v\u00e1lido, por lo que la comprobaci\u00f3n puede activarse falsamente. Eliminar el WARN_ON no v\u00e1lido.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/3b4643ffaf72d7a5a357e9bf68b1775f8cfe7e77\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9eaec071f111cd2124ce9a5b93536d3f6837d457\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ad926f735b4d4f10768fec7d080cadeb6d075cac\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b0cca357f85beb6144ab60c62dcc98508cc044bf\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b479839525fe7906966cdc4b5b2afbca048558a1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c88f7328bb0fff66520fc9164f02b1d06e083c1b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c98eb9ffb1d9c98237b5e1668eee17654e129fb0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/cf30432f5b3064ff85d85639c2f0106f89c566f6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e6eff39dd0fe4190c6146069cc16d160e71d1148\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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