fkie_cve-2024-38583
Vulnerability from fkie_nvd
Published
2024-06-19 14:15
Modified
2025-11-04 18:16
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2f12b2c03c5dae1a0de0a9e5853177e3d6eee3c6Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/67fa90d4a2ccd9ebb0e1e168c7d0b5d0cf3c7148Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/68e738be5c518fc3c4e9146b66f67c8fee0135fbPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/822ae5a8eac30478578a75f7e064f0584931bf2dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/82933c84f188dcfe89eb26b0b48ab5d1ca99d164Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/86a30d6302deddb9fb97ba6fc4b04d0e870b582aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e65ccf3a4de4f0c763d94789615b83e11f204438Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f5d4e04634c9cf68bdf23de08ada0bb92e8befe7Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f9186bba4ea282b07293c1c892441df3a5441cb0Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/2f12b2c03c5dae1a0de0a9e5853177e3d6eee3c6Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/67fa90d4a2ccd9ebb0e1e168c7d0b5d0cf3c7148Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/68e738be5c518fc3c4e9146b66f67c8fee0135fbPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/822ae5a8eac30478578a75f7e064f0584931bf2dPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/82933c84f188dcfe89eb26b0b48ab5d1ca99d164Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/86a30d6302deddb9fb97ba6fc4b04d0e870b582aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e65ccf3a4de4f0c763d94789615b83e11f204438Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/f5d4e04634c9cf68bdf23de08ada0bb92e8befe7Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/f9186bba4ea282b07293c1c892441df3a5441cb0Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/06/msg00020.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 *


To clipboard 

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  "cveTags": [],
  "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": "2025-11-04T18:16:27.480",
  "metrics": {
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          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
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          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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      "source": "nvd@nist.gov",
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}


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