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CVE-2024-38583 (GCVE-0-2024-38583)

Vulnerability from cvelistv5 – Published: 2024-06-19 13:37 – Updated: 2026-08-05 11:32
VLAI
Title
nilfs2: fix use-after-free of timer for log writer thread
Summary
In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix use-after-free of timer for log writer thread Patch series "nilfs2: fix log writer related issues". This bug fix series covers three nilfs2 log writer-related issues, including a timer use-after-free issue and potential deadlock issue on unmount, and a potential freeze issue in event synchronization found during their analysis. Details are described in each commit log. This patch (of 3): A use-after-free issue has been reported regarding the timer sc_timer on the nilfs_sc_info structure. The problem is that even though it is used to wake up a sleeping log writer thread, sc_timer is not shut down until the nilfs_sc_info structure is about to be freed, and is used regardless of the thread's lifetime. Fix this issue by limiting the use of sc_timer only while the log writer thread is alive.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 17:13 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: fdce895ea5dd4e24edf1f4d693827349a4e5b3b4 , < 822ae5a8eac30478578a75f7e064f0584931bf2d (git)
Affected: fdce895ea5dd4e24edf1f4d693827349a4e5b3b4 , < 82933c84f188dcfe89eb26b0b48ab5d1ca99d164 (git)
Affected: fdce895ea5dd4e24edf1f4d693827349a4e5b3b4 , < 67fa90d4a2ccd9ebb0e1e168c7d0b5d0cf3c7148 (git)
Affected: fdce895ea5dd4e24edf1f4d693827349a4e5b3b4 , < e65ccf3a4de4f0c763d94789615b83e11f204438 (git)
Affected: fdce895ea5dd4e24edf1f4d693827349a4e5b3b4 , < 86a30d6302deddb9fb97ba6fc4b04d0e870b582a (git)
Affected: fdce895ea5dd4e24edf1f4d693827349a4e5b3b4 , < f9186bba4ea282b07293c1c892441df3a5441cb0 (git)
Affected: fdce895ea5dd4e24edf1f4d693827349a4e5b3b4 , < 2f12b2c03c5dae1a0de0a9e5853177e3d6eee3c6 (git)
Affected: fdce895ea5dd4e24edf1f4d693827349a4e5b3b4 , < 68e738be5c518fc3c4e9146b66f67c8fee0135fb (git)
Affected: fdce895ea5dd4e24edf1f4d693827349a4e5b3b4 , < f5d4e04634c9cf68bdf23de08ada0bb92e8befe7 (git)
guessed Create a notification for this product.
Linux Linux Affected: 2.6.35
Unaffected: 0 , < 2.6.35 (semver)
Unaffected: 4.19.316 , ≤ 4.19.* (semver)
Unaffected: 5.4.278 , ≤ 5.4.* (semver)
Unaffected: 5.10.219 , ≤ 5.10.* (semver)
Unaffected: 5.15.161 , ≤ 5.15.* (semver)
Unaffected: 6.1.94 , ≤ 6.1.* (semver)
Unaffected: 6.6.33 , ≤ 6.6.* (semver)
Unaffected: 6.8.12 , ≤ 6.8.* (semver)
Unaffected: 6.9.3 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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      "descriptions": "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnilfs2: fix use-after-free of timer for log writer thread\\n\\nPatch series \\\"nilfs2: fix log writer related issues\\\".\\n\\nThis bug fix series covers three nilfs2 log writer-related issues,\\nincluding a timer use-after-free issue and potential deadlock issue on\\nunmount, and a potential freeze issue in event synchronization found\\nduring their analysis.  Details are described in each commit log.\\n\\n\\nThis patch (of 3):\\n\\nA use-after-free issue has been reported regarding the timer sc_timer on\\nthe nilfs_sc_info structure.\\n\\nThe problem is that even though it is used to wake up a sleeping log\\nwriter thread, sc_timer is not shut down until the nilfs_sc_info structure\\nis about to be freed, and is used regardless of the thread\u0027s lifetime.\\n\\nFix this issue by limiting the use of sc_timer only while the log writer\\nthread is alive.\"}, {\"lang\": \"es\", \"value\": \"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: nilfs2: corrige el use-after-free del temporizador para el hilo del escritor de registros Serie de parches \\\"nilfs2: corrige problemas relacionados con el escritor de registros\\\". Esta serie de correcci\\u00f3n de errores cubre tres problemas relacionados con el escritor de registros nilfs2, incluido un problema de use-after-free del temporizador y un posible problema de bloqueo al desmontar, y un posible problema de congelaci\\u00f3n en la sincronizaci\\u00f3n de eventos encontrado durante su an\\u00e1lisis. Los detalles se describen en cada registro de confirmaci\\u00f3n. Este parche (de 3): Se inform\\u00f3 un problema de use-after-free con respecto al temporizador sc_timer en la estructura nilfs_sc_info. El problema es que, aunque se utiliza para reactivar un subproceso de escritura de registros inactivo, sc_timer no se cierra hasta que la estructura nilfs_sc_info est\\u00e1 a punto de liberarse y se utiliza independientemente de la vida \\u00fatil del subproceso. Solucione este problema limitando el uso de sc_timer solo mientras el subproceso del escritor de registros est\\u00e9 activo.\"}]",
      "id": "CVE-2024-38583",
      "lastModified": "2024-11-21T09:26:24.520",
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      "published": "2024-06-19T14:15:18.397",
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      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Modified",
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    },
    "microsoft_vex": {
      "current_release_date": "2026-02-19T01:04:47.000Z",
      "cve": "CVE-2024-38583",
      "id": "msrc_CVE-2024-38583",
      "initial_release_date": "2024-06-02T07:00:00.000Z",
      "product_status:fixed": "5",
      "product_status:known_affected": "5",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "nilfs2: fix use-after-free of timer for log writer thread",
      "url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2024-38583.json",
      "version": "13"
    },
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Details are described in each commit log.\\n\\n\\nThis patch (of 3):\\n\\nA use-after-free issue has been reported regarding the timer sc_timer on\\nthe nilfs_sc_info structure.\\n\\nThe problem is that even though it is used to wake up a sleeping log\\nwriter thread, sc_timer is not shut down until the nilfs_sc_info structure\\nis about to be freed, and is used regardless of the thread\u0027s lifetime.\\n\\nFix this issue by limiting the use of sc_timer only while the log writer\\nthread is alive.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: nilfs2: corrige el use-after-free del temporizador para el hilo del escritor de registros Serie de parches \\\"nilfs2: corrige problemas relacionados con el escritor de registros\\\". 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Solucione este problema limitando el uso de sc_timer solo mientras el subproceso del escritor de registros est\u00e9 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\"unaffected\", \"version\": \"6.9.3\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.9.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"fs/nilfs2/segment.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/822ae5a8eac30478578a75f7e064f0584931bf2d\"}, {\"url\": \"https://git.kernel.org/stable/c/82933c84f188dcfe89eb26b0b48ab5d1ca99d164\"}, {\"url\": \"https://git.kernel.org/stable/c/67fa90d4a2ccd9ebb0e1e168c7d0b5d0cf3c7148\"}, {\"url\": \"https://git.kernel.org/stable/c/e65ccf3a4de4f0c763d94789615b83e11f204438\"}, {\"url\": \"https://git.kernel.org/stable/c/86a30d6302deddb9fb97ba6fc4b04d0e870b582a\"}, {\"url\": \"https://git.kernel.org/stable/c/f9186bba4ea282b07293c1c892441df3a5441cb0\"}, {\"url\": \"https://git.kernel.org/stable/c/2f12b2c03c5dae1a0de0a9e5853177e3d6eee3c6\"}, {\"url\": 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Details are described in each commit log.\\n\\n\\nThis patch (of 3):\\n\\nA use-after-free issue has been reported regarding the timer sc_timer on\\nthe nilfs_sc_info structure.\\n\\nThe problem is that even though it is used to wake up a sleeping log\\nwriter thread, sc_timer is not shut down until the nilfs_sc_info structure\\nis about to be freed, and is used regardless of the thread\u0027s lifetime.\\n\\nFix this issue by limiting the use of sc_timer only while the log writer\\nthread is alive.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.316\", \"versionStartIncluding\": \"2.6.35\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.278\", \"versionStartIncluding\": \"2.6.35\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.219\", \"versionStartIncluding\": \"2.6.35\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.161\", \"versionStartIncluding\": \"2.6.35\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.94\", \"versionStartIncluding\": \"2.6.35\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.33\", \"versionStartIncluding\": \"2.6.35\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8.12\", \"versionStartIncluding\": \"2.6.35\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.9.3\", \"versionStartIncluding\": \"2.6.35\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10\", \"versionStartIncluding\": \"2.6.35\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T20:19:31.841Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-38583\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T20:19:31.841Z\", \"dateReserved\": \"2024-06-18T19:36:34.928Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-06-19T13:37:39.858Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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.


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.