fkie_cve-2024-50218
Vulnerability from fkie_nvd
Published
2024-11-09 11:15
Modified
2025-11-03 23:17
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: pass u64 to ocfs2_truncate_inline maybe overflow Syzbot reported a kernel BUG in ocfs2_truncate_inline. There are two reasons for this: first, the parameter value passed is greater than ocfs2_max_inline_data_with_xattr, second, the start and end parameters of ocfs2_truncate_inline are "unsigned int". So, we need to add a sanity check for byte_start and byte_len right before ocfs2_truncate_inline() in ocfs2_remove_inode_range(), if they are greater than ocfs2_max_inline_data_with_xattr return -EINVAL.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0b6b8c2055784261de3fb641c5d0d63964318e8fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/27d95867bee806cdc448d122bd99f1d8b0544035Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2fe5d62e122b040ce7fc4d31aa7fa96ae328cefcPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/70767689ec6ee5f05fb0a2c17d7ec1927946e486Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/88f97a4b5843ce21c1286e082c02a5fb4d8eb473Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/95fbed8ae8c32c0977e6be1721c190d8fea23f2fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bc0a2f3a73fcdac651fca64df39306d1e5ebe3b0Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ecd62f684386fa64f9c0cea92eea361f4e6444c2Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
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 *
linux linux_kernel 6.12
linux linux_kernel 6.12
linux linux_kernel 6.12
linux linux_kernel 6.12
linux linux_kernel 6.12


To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: pass u64 to ocfs2_truncate_inline maybe overflow\n\nSyzbot reported a kernel BUG in ocfs2_truncate_inline.  There are two\nreasons for this: first, the parameter value passed is greater than\nocfs2_max_inline_data_with_xattr, second, the start and end parameters of\nocfs2_truncate_inline are \"unsigned int\".\n\nSo, we need to add a sanity check for byte_start and byte_len right before\nocfs2_truncate_inline() in ocfs2_remove_inode_range(), if they are greater\nthan ocfs2_max_inline_data_with_xattr return -EINVAL."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ocfs2: pasar u64 a ocfs2_truncate_inline puede provocar un desbordamiento Syzbot inform\u00f3 de un ERROR del kernel en ocfs2_truncate_inline. Hay dos razones para esto: primero, el valor del par\u00e1metro pasado es mayor que ocfs2_max_inline_data_with_xattr, segundo, los par\u00e1metros de inicio y fin de ocfs2_truncate_inline son \"unsigned int\". Por lo tanto, debemos agregar una comprobaci\u00f3n de cordura para byte_start y byte_len justo antes de ocfs2_truncate_inline() en ocfs2_remove_inode_range(), si son mayores que ocfs2_max_inline_data_with_xattr devuelve -EINVAL."
    }
  ],
  "id": "CVE-2024-50218",
  "lastModified": "2025-11-03T23:17:03.227",
  "metrics": {
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          "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"
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        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
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  "published": "2024-11-09T11:15:07.213",
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
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          "value": "NVD-CWE-noinfo"
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      "source": "nvd@nist.gov",
      "type": "Primary"
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}


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