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CVE-2024-50272 (GCVE-0-2024-50272)

Vulnerability from cvelistv5 – Published: 2024-11-19 01:30 – Updated: 2026-05-23 15:54
VLAI
Title
filemap: Fix bounds checking in filemap_read()
Summary
In the Linux kernel, the following vulnerability has been resolved: filemap: Fix bounds checking in filemap_read() If the caller supplies an iocb->ki_pos value that is close to the filesystem upper limit, and an iterator with a count that causes us to overflow that limit, then filemap_read() enters an infinite loop. This behaviour was discovered when testing xfstests generic/525 with the "localio" optimisation for loopback NFS mounts.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: c2a9737f45e27d8263ff9643f994bda9bac0b944 , < 6cc52df69e8464811f9f6fc12f7aaa78451eb0b8 (git)
Affected: c2a9737f45e27d8263ff9643f994bda9bac0b944 , < 26530b757c81f1389fb33ae0357500150933161b (git)
Affected: c2a9737f45e27d8263ff9643f994bda9bac0b944 , < a2746ab3bbc9c6408da5cd072653ec8c24749235 (git)
Affected: c2a9737f45e27d8263ff9643f994bda9bac0b944 , < 6450e73f4c86d481ac2e22e1bc848d346e140826 (git)
Affected: c2a9737f45e27d8263ff9643f994bda9bac0b944 , < ace149e0830c380ddfce7e466fe860ca502fe4ee (git)
Affected: 272830350bb1bb5bb39395966ea63b9864b135d1 (git)
Affected: fbc7b803831e5c8a42c1f3427a17e55a814d6b3c (git)
Affected: 3d549dcfbbb0ecdaa571431a27ee5da9f2466716 (git)
Affected: 3.16.40 , < 3.17 (semver)
Affected: 4.7.10 , < 4.8 (semver)
Affected: 4.8.4 , < 4.9 (semver)
guessed Create a notification for this product.
Linux Linux Affected: 4.9
Unaffected: 0 , < 4.9 (semver)
Unaffected: 5.15.181 , ≤ 5.15.* (semver)
Unaffected: 6.1.117 , ≤ 6.1.* (semver)
Unaffected: 6.6.61 , ≤ 6.6.* (semver)
Unaffected: 6.11.8 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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        "cveTags": [],
        "descriptions": [
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            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfilemap: Fix bounds checking in filemap_read()\n\nIf the caller supplies an iocb-\u003eki_pos value that is close to the\nfilesystem upper limit, and an iterator with a count that causes us to\noverflow that limit, then filemap_read() enters an infinite loop.\n\nThis behaviour was discovered when testing xfstests generic/525 with the\n\"localio\" optimisation for loopback NFS mounts."
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: filemap: Se ha corregido la comprobaci\u00f3n de los l\u00edmites en filemap_read() Si el llamador proporciona un valor iocb-\u0026gt;ki_pos que est\u00e1 cerca del l\u00edmite superior del sistema de archivos y un iterador con un recuento que hace que desbordemos ese l\u00edmite, filemap_read() entra en un bucle infinito. Este comportamiento se descubri\u00f3 al probar xfstests generic/525 con la optimizaci\u00f3n \"localio\" para montajes NFS de bucle invertido."
          }
        ],
        "id": "CVE-2024-50272",
        "lastModified": "2026-06-17T08:04:04.270",
        "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"
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              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
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            "tags": [
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        "vulnStatus": "Modified",
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                "lang": "en",
                "value": "CWE-835"
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            "source": "nvd@nist.gov",
            "type": "Primary"
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    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T08:05:20+00:00",
      "cve": "CVE-2024-50272",
      "id": "CVE-2024-50272",
      "initial_release_date": "2024-11-19T00:00:00+00:00",
      "product_status:fixed": "305",
      "product_status:known_affected": "112",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: filemap: Fix bounds checking in filemap_read()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-50272.json",
      "version": "3"
    },
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      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-11T02:10:04Z",
      "cve": "CVE-2024-50272",
      "id": "CVE-2024-50272",
      "initial_release_date": "2024-11-19T03:49:27Z",
      "product_status:known_affected": "743",
      "product_status:known_not_affected": "74",
      "product_status:recommended": "349",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-50272",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-50272.json",
      "version": "71"
    }
  }
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.