CVE-2024-53130 (GCVE-0-2024-53130)

Vulnerability from cvelistv5 – Published: 2024-12-04 14:20 – Updated: 2026-05-11 20:51
VLAI
Title
nilfs2: fix null-ptr-deref in block_dirty_buffer tracepoint
Summary
In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix null-ptr-deref in block_dirty_buffer tracepoint When using the "block:block_dirty_buffer" tracepoint, mark_buffer_dirty() may cause a NULL pointer dereference, or a general protection fault when KASAN is enabled. This happens because, since the tracepoint was added in mark_buffer_dirty(), 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, nilfs_grab_buffer(), which grabs a buffer to read (or create) a block of metadata, including b-tree node blocks, does not set the block device, but instead does so only if the buffer is not in the "uptodate" state for each of its caller block reading functions. However, if the uptodate flag is set on a folio/page, and the buffer heads are detached from it by try_to_free_buffers(), and new buffer heads are then attached by create_empty_buffers(), the uptodate flag may be restored to each buffer without the block device being set to bh->b_bdev, and mark_buffer_dirty() may be called later in that state, resulting in the bug mentioned above. Fix this issue by making nilfs_grab_buffer() always set the block device of the super block structure to the buffer head, regardless of the state of the buffer's uptodate flag.
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 , < 7af3309c7a2ef26831a67125b11c34a7e01c1b2a (git)
Affected: 5305cb830834549b9203ad4d009ad5483c5e293f , < 0ce59fb1c73fdd5b6028226aeb46259a0cdc0957 (git)
Affected: 5305cb830834549b9203ad4d009ad5483c5e293f , < 0a5014ad37c77ac6a2c525137c00a0e1724f6020 (git)
Affected: 5305cb830834549b9203ad4d009ad5483c5e293f , < d904e4d845aafbcfd8a40c1df7d999f02f062be8 (git)
Affected: 5305cb830834549b9203ad4d009ad5483c5e293f , < 86b19031dbc79abc378dfae357f6ea33ebeb0c95 (git)
Affected: 5305cb830834549b9203ad4d009ad5483c5e293f , < b0e4765740040c44039282057ecacd7435d1d2ba (git)
Affected: 5305cb830834549b9203ad4d009ad5483c5e293f , < ffc440a76a0f476a7e6ea838ec0dc8e9979944d1 (git)
Affected: 5305cb830834549b9203ad4d009ad5483c5e293f , < 2026559a6c4ce34db117d2db8f710fe2a9420d5a (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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However, if the uptodate flag is set on a folio/page, and the\\nbuffer heads are detached from it by try_to_free_buffers(), and new buffer\\nheads are then attached by create_empty_buffers(), the uptodate flag may\\nbe restored to each buffer without the block device being set to\\nbh-\u003eb_bdev, and mark_buffer_dirty() may be called later in that state,\\nresulting in the bug mentioned above.\\n\\nFix this issue by making nilfs_grab_buffer() always set the block device\\nof the super block structure to the buffer head, regardless of the state\\nof the buffer\u0027s uptodate flag.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: nilfs2: correcci\u00f3n de null-ptr-deref en el punto de seguimiento block_dirty_buffer Al utilizar el punto de seguimiento \\\"block:block_dirty_buffer\\\", mark_buffer_dirty() puede provocar una desreferencia de puntero NULL o un fallo de protecci\u00f3n general cuando KASAN est\u00e1 habilitado. Esto sucede porque, dado que el punto de seguimiento se agreg\u00f3 en mark_buffer_dirty(), 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, nilfs_grab_buffer(), que toma un b\u00fafer para leer (o crear) un bloque de metadatos, incluidos los bloques de nodos de \u00e1rbol b, no establece el dispositivo de bloque, sino que lo hace solo si el b\u00fafer no est\u00e1 en el estado \\\"uptodate\\\" para cada una de sus funciones de lectura de bloque de llamada. Sin embargo, si el indicador uptodate est\u00e1 configurado en un folio/p\u00e1gina, y los cabezales de b\u00fafer se separan de \u00e9l mediante try_to_free_buffers(), y luego se adjuntan nuevos cabezales de b\u00fafer mediante create_empty_buffers(), el indicador uptodate puede restaurarse en cada b\u00fafer sin que el dispositivo de bloque se configure en bh-\u0026gt;b_bdev, y mark_buffer_dirty() puede llamarse m\u00e1s tarde en ese estado, lo que da como resultado el error mencionado anteriormente. Solucione este problema haciendo que nilfs_grab_buffer() siempre configure el dispositivo de bloque de la estructura de superbloque en el cabezal de b\u00fafer, independientemente del estado del indicador uptodate del b\u00fafer.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"fs/nilfs2/btnode.c\",\"fs/nilfs2/gcinode.c\",\"fs/nilfs2/mdt.c\",\"fs/nilfs2/page.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"5305cb830834549b9203ad4d009ad5483c5e293f\",\"lessThan\":\"7af3309c7a2ef26831a67125b11c34a7e01c1b2a\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5305cb830834549b9203ad4d009ad5483c5e293f\",\"lessThan\":\"0ce59fb1c73fdd5b6028226aeb46259a0cdc0957\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5305cb830834549b9203ad4d009ad5483c5e293f\",\"lessThan\":\"0a5014ad37c77ac6a2c525137c00a0e1724f6020\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5305cb830834549b9203ad4d009ad5483c5e293f\",\"lessThan\":\"d904e4d845aafbcfd8a40c1df7d999f02f062be8\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5305cb830834549b9203ad4d009ad5483c5e293f\",\"lessThan\":\"86b19031dbc79abc378dfae357f6ea33ebeb0c95\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5305cb830834549b9203ad4d009ad5483c5e293f\",\"lessThan\":\"b0e4765740040c44039282057ecacd7435d1d2ba\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5305cb830834549b9203ad4d009ad5483c5e293f\",\"lessThan\":\"ffc440a76a0f476a7e6ea838ec0dc8e9979944d1\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5305cb830834549b9203ad4d009ad5483c5e293f\",\"lessThan\":\"2026559a6c4ce34db117d2db8f710fe2a9420d5a\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"fs/nilfs2/btnode.c\",\"fs/nilfs2/gcinode.c\",\"fs/nilfs2/mdt.c\",\"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/0a5014ad37c77ac6a2c525137c00a0e1724f6020\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/0ce59fb1c73fdd5b6028226aeb46259a0cdc0957\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/2026559a6c4ce34db117d2db8f710fe2a9420d5a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/7af3309c7a2ef26831a67125b11c34a7e01c1b2a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/86b19031dbc79abc378dfae357f6ea33ebeb0c95\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b0e4765740040c44039282057ecacd7435d1d2ba\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d904e4d845aafbcfd8a40c1df7d999f02f062be8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ffc440a76a0f476a7e6ea838ec0dc8e9979944d1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T14:11:37+00:00",
      "cve": "CVE-2024-53130",
      "id": "CVE-2024-53130",
      "initial_release_date": "2024-12-04T00:00:00+00:00",
      "product_status:known_affected": "28",
      "product_status:known_not_affected": "170",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: nilfs2: fix null-ptr-deref in block_dirty_buffer tracepoint",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-53130.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

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.