CVE-2024-53131 (GCVE-0-2024-53131)

Vulnerability from cvelistv5 – Published: 2024-12-04 14:20 – Updated: 2026-05-11 20:51
VLAI
Title
nilfs2: fix null-ptr-deref in block_touch_buffer tracepoint
Summary
In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix null-ptr-deref in block_touch_buffer tracepoint Patch series "nilfs2: fix null-ptr-deref bugs on block tracepoints". This series fixes null pointer dereference bugs that occur when using nilfs2 and two block-related tracepoints. This patch (of 2): It has been reported that when using "block:block_touch_buffer" tracepoint, touch_buffer() called from __nilfs_get_folio_block() causes a NULL pointer dereference, or a general protection fault when KASAN is enabled. This happens because since the tracepoint was added in touch_buffer(), it references the dev_t member bh->b_bdev->bd_dev regardless of whether the buffer head has a pointer to a block_device structure. In the current implementation, the block_device structure is set after the function returns to the caller. Here, touch_buffer() is used to mark the folio/page that owns the buffer head as accessed, but the common search helper for folio/page used by the caller function was optimized to mark the folio/page as accessed when it was reimplemented a long time ago, eliminating the need to call touch_buffer() here in the first place. So this solves the issue by eliminating the touch_buffer() call itself.
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
Linux Linux Affected: 5305cb830834549b9203ad4d009ad5483c5e293f , < 085556bf8c70e2629e02e79268dac3016a08b8bf (git)
Affected: 5305cb830834549b9203ad4d009ad5483c5e293f , < 6438f3f42cda825f6f59b4e45ac3a1da28a6f2c9 (git)
Affected: 5305cb830834549b9203ad4d009ad5483c5e293f , < b017697a517f8779ada4e8ce1c2c75dbf60a2636 (git)
Affected: 5305cb830834549b9203ad4d009ad5483c5e293f , < 19c71cdd77973f99a9adc3190130bc3aa7ae5423 (git)
Affected: 5305cb830834549b9203ad4d009ad5483c5e293f , < 3b2a4fd9bbee77afdd3ed5a05a0c02b6cde8d3b9 (git)
Affected: 5305cb830834549b9203ad4d009ad5483c5e293f , < 59b49ca67cca7b007a5afd3de0283c8008157665 (git)
Affected: 5305cb830834549b9203ad4d009ad5483c5e293f , < 77e47f89d32c2d72eb33d0becbce7abe14d061f4 (git)
Affected: 5305cb830834549b9203ad4d009ad5483c5e293f , < cd45e963e44b0f10d90b9e6c0e8b4f47f3c92471 (git)
Create a notification for this product.
Linux Linux Affected: 3.9
Unaffected: 0 , < 3.9 (semver)
Unaffected: 4.19.325 , ≤ 4.19.* (semver)
Unaffected: 5.4.287 , ≤ 5.4.* (semver)
Unaffected: 5.10.231 , ≤ 5.10.* (semver)
Unaffected: 5.15.174 , ≤ 5.15.* (semver)
Unaffected: 6.1.119 , ≤ 6.1.* (semver)
Unaffected: 6.6.63 , ≤ 6.6.* (semver)
Unaffected: 6.11.10 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
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      "product_status:fixed": "5",
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      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "nilfs2: fix null-ptr-deref in block_touch_buffer tracepoint",
      "url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2024-53131.json",
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In the current\\nimplementation, the block_device structure is set after the function\\nreturns to the caller.\\n\\nHere, touch_buffer() is used to mark the folio/page that owns the buffer\\nhead as accessed, but the common search helper for folio/page used by the\\ncaller function was optimized to mark the folio/page as accessed when it\\nwas reimplemented a long time ago, eliminating the need to call\\ntouch_buffer() here in the first place.\\n\\nSo this solves the issue by eliminating the touch_buffer() call itself.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: nilfs2: fix null-ptr-deref in block_touch_buffer tracepoint Serie de parches \\\"nilfs2: fix null-ptr-deref bugs on block tracepoints\\\". Esta serie corrige errores de desreferencia de puntero nulo que ocurren al usar nilfs2 y dos puntos de seguimiento relacionados con bloques. Este parche (de 2): Se ha informado que al usar el punto de seguimiento \\\"block:block_touch_buffer\\\", touch_buffer() llamado desde __nilfs_get_folio_block() causa una desreferencia de puntero NULL o un error de protecci\u00f3n general cuando KASAN est\u00e1 habilitado. Esto sucede porque, dado que el punto de seguimiento se agreg\u00f3 en touch_buffer(), hace referencia al miembro dev_t bh-\u0026gt;b_bdev-\u0026gt;bd_dev independientemente de si el cabezal del b\u00fafer tiene un puntero a una estructura block_device. En la implementaci\u00f3n actual, la estructura block_device se establece despu\u00e9s de que la funci\u00f3n regresa al llamador. Aqu\u00ed, touch_buffer() se utiliza para marcar el folio/p\u00e1gina que posee el encabezado del b\u00fafer como accedido, pero el asistente de b\u00fasqueda com\u00fan para folio/p\u00e1gina utilizado por la funci\u00f3n de llamada se optimiz\u00f3 para marcar el folio/p\u00e1gina como accedido cuando se reimplement\u00f3 hace mucho tiempo, eliminando la necesidad de llamar a touch_buffer() aqu\u00ed en primer lugar. Por lo tanto, esto resuelve el problema al eliminar la llamada a touch_buffer() en s\u00ed.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"fs/nilfs2/page.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"5305cb830834549b9203ad4d009ad5483c5e293f\",\"lessThan\":\"085556bf8c70e2629e02e79268dac3016a08b8bf\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5305cb830834549b9203ad4d009ad5483c5e293f\",\"lessThan\":\"6438f3f42cda825f6f59b4e45ac3a1da28a6f2c9\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5305cb830834549b9203ad4d009ad5483c5e293f\",\"lessThan\":\"b017697a517f8779ada4e8ce1c2c75dbf60a2636\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5305cb830834549b9203ad4d009ad5483c5e293f\",\"lessThan\":\"19c71cdd77973f99a9adc3190130bc3aa7ae5423\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5305cb830834549b9203ad4d009ad5483c5e293f\",\"lessThan\":\"3b2a4fd9bbee77afdd3ed5a05a0c02b6cde8d3b9\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5305cb830834549b9203ad4d009ad5483c5e293f\",\"lessThan\":\"59b49ca67cca7b007a5afd3de0283c8008157665\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5305cb830834549b9203ad4d009ad5483c5e293f\",\"lessThan\":\"77e47f89d32c2d72eb33d0becbce7abe14d061f4\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5305cb830834549b9203ad4d009ad5483c5e293f\",\"lessThan\":\"cd45e963e44b0f10d90b9e6c0e8b4f47f3c92471\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"fs/nilfs2/page.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"3.9\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"3.9\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.19.325\",\"lessThanOrEqual\":\"4.19.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.287\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.231\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.174\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.119\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.63\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.11.10\",\"lessThanOrEqual\":\"6.11.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.9\",\"versionEndExcluding\":\"6.1.119\",\"matchCriteriaId\":\"B9F07E74-2989-4705-AED1-FEACA2FEF716\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.6.0\",\"versionEndExcluding\":\"6.6.63\",\"matchCriteriaId\":\"DC8AE946-6593-4D8D-863A-0BC137CF667F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.11.0\",\"versionEndExcluding\":\"6.11.10\",\"matchCriteriaId\":\"5D7D3F96-FD78-48BB-9935-3CD41775FEAA\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/085556bf8c70e2629e02e79268dac3016a08b8bf\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/19c71cdd77973f99a9adc3190130bc3aa7ae5423\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/3b2a4fd9bbee77afdd3ed5a05a0c02b6cde8d3b9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/59b49ca67cca7b007a5afd3de0283c8008157665\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6438f3f42cda825f6f59b4e45ac3a1da28a6f2c9\",\"source\":\"416baaa9-dc9f-439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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T14:11:40+00:00",
      "cve": "CVE-2024-53131",
      "id": "CVE-2024-53131",
      "initial_release_date": "2024-12-04T00:00:00+00:00",
      "product_status:known_not_affected": "198",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: nilfs2: fix null-ptr-deref in block_touch_buffer tracepoint",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-53131.json",
      "version": "3"
    }
  }
}



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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

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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.