fkie_cve-2024-49877
Vulnerability from fkie_nvd
Published
2024-10-21 18:15
Modified
2024-11-08 16:15
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix possible null-ptr-deref in ocfs2_set_buffer_uptodate When doing cleanup, if flags without OCFS2_BH_READAHEAD, it may trigger NULL pointer dereference in the following ocfs2_set_buffer_uptodate() if bh is NULL.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/01cb2e751cc61ade454c9bc1aaa2eac1f8197112Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/190d98bcd61117a78fe185222d162180f061a6ca
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/33b525cef4cff49e216e4133cc48452e11c0391ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/46b1edf0536a5291a8ad2337f88c926214b209d9Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4846e72ab5a0726e49ad4188b9d9df091ae78c64Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/61b84013e560382cbe7dd56758be3154d43a3988Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d52c5652e7dcb7a0648bbb8642cc3e617070ab49Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/df944dc46d06af65a75191183d52be017e6b9dbePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e68c8323355e8cedfbe0bec7d5a39009f61640b6
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 4.4.204
linux linux_kernel 4.9.204
linux linux_kernel 4.14.157
linux linux_kernel 4.19.87


To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: fix possible null-ptr-deref in ocfs2_set_buffer_uptodate\n\nWhen doing cleanup, if flags without OCFS2_BH_READAHEAD, it may trigger\nNULL pointer dereference in the following ocfs2_set_buffer_uptodate() if\nbh is NULL."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ocfs2: se corrige una posible desreferencia de puntero nulo en ocfs2_set_buffer_uptodate. Al realizar una limpieza, si hay indicadores sin OCFS2_BH_READAHEAD, puede provocar una desreferencia de puntero NULL en el siguiente ocfs2_set_buffer_uptodate() si bh es NULL."
    }
  ],
  "id": "CVE-2024-49877",
  "lastModified": "2024-11-08T16:15:29.500",
  "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"
      }
    ]
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  "published": "2024-10-21T18:15:09.657",
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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