fkie_cve-2024-27034
Vulnerability from fkie_nvd
Published
2024-05-01 13:15
Modified
2025-09-18 14:44
Summary
In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to cover normal cluster write with cp_rwsem When we overwrite compressed cluster w/ normal cluster, we should not unlock cp_rwsem during f2fs_write_raw_pages(), otherwise data will be corrupted if partial blocks were persisted before CP & SPOR, due to cluster metadata wasn't updated atomically.
Impacted products



{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "5DF12F4F-0479-46F6-AF7F-50D1E1170B91",
              "versionEndExcluding": "5.15.153",
              "versionStartIncluding": "5.6",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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          "negate": false,
          "operator": "OR"
        }
      ]
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: compress: fix to cover normal cluster write with cp_rwsem\n\nWhen we overwrite compressed cluster w/ normal cluster, we should\nnot unlock cp_rwsem during f2fs_write_raw_pages(), otherwise data\nwill be corrupted if partial blocks were persisted before CP \u0026 SPOR,\ndue to cluster metadata wasn\u0027t updated atomically."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: f2fs: compress: correcci\u00f3n para cubrir la escritura normal del cl\u00faster con cp_rwsem Cuando sobrescribimos el cl\u00faster comprimido con el cl\u00faster normal, no debemos desbloquear cp_rwsem durante f2fs_write_raw_pages(); de lo contrario, los datos se da\u00f1ar\u00e1n si Los bloques parciales persistieron antes de CP y SPOR, debido a que los metadatos del cl\u00faster no se actualizaron at\u00f3micamente."
    }
  ],
  "id": "CVE-2024-27034",
  "lastModified": "2025-09-18T14:44:23.990",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2024-05-01T13:15:49.317",
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  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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