FKIE_CVE-2023-52672

Vulnerability from fkie_nvd - Published: 2024-05-17 14:15 - Updated: 2025-12-23 18:29
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
7.0 (High) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: pipe: wakeup wr_wait after setting max_usage Commit c73be61cede5 ("pipe: Add general notification queue support") a regression was introduced that would lock up resized pipes under certain conditions. See the reproducer in [1]. The commit resizing the pipe ring size was moved to a different function, doing that moved the wakeup for pipe->wr_wait before actually raising pipe->max_usage. If a pipe was full before the resize occured it would result in the wakeup never actually triggering pipe_write. Set @max_usage and @nr_accounted before waking writers if this isn't a watch queue. [Christian Brauner <brauner@kernel.org>: rewrite to account for watch queues]
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/162ae0e78bdabf84ef10c1293c4ed7865cb7d3c8Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3efbd114b91525bb095b8ae046382197d92126b9Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/68e51bdb1194f11d3452525b99c98aff6f837b24Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6fb70694f8d1ac34e45246b0ac988f025e1e5b55Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b87a1229d8668fbc78ebd9ca0fc797a76001c60fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e95aada4cb93d42e25c30a0ef9eb2923d9711d4aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/162ae0e78bdabf84ef10c1293c4ed7865cb7d3c8Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/3efbd114b91525bb095b8ae046382197d92126b9Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/68e51bdb1194f11d3452525b99c98aff6f837b24Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/6fb70694f8d1ac34e45246b0ac988f025e1e5b55Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b87a1229d8668fbc78ebd9ca0fc797a76001c60fPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e95aada4cb93d42e25c30a0ef9eb2923d9711d4aPatch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/06/msg00017.htmlThird Party Advisory
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
debian debian_linux 10.0
To clipboard 

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      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npipe: wakeup wr_wait after setting max_usage\n\nCommit c73be61cede5 (\"pipe: Add general notification queue support\") a\nregression was introduced that would lock up resized pipes under certain\nconditions. See the reproducer in [1].\n\nThe commit resizing the pipe ring size was moved to a different\nfunction, doing that moved the wakeup for pipe-\u003ewr_wait before actually\nraising pipe-\u003emax_usage. If a pipe was full before the resize occured it\nwould result in the wakeup never actually triggering pipe_write.\n\nSet @max_usage and @nr_accounted before waking writers if this isn\u0027t a\nwatch queue.\n\n[Christian Brauner \u003cbrauner@kernel.org\u003e: rewrite to account for watch queues]"
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      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: tuber\u00eda: despertar wr_wait despu\u00e9s de configurar max_usage Confirmar c73be61cede5 (\"tuber\u00eda: Agregar soporte de cola de notificaciones generales\") se introdujo una regresi\u00f3n que bloquear\u00eda las tuber\u00edas redimensionadas bajo ciertas condiciones. Ver el reproductor en [1]. La confirmaci\u00f3n de cambio de tama\u00f1o del anillo de tuber\u00eda se movi\u00f3 a una funci\u00f3n diferente, lo que movi\u00f3 la activaci\u00f3n de pipe-\u0026gt;wr_wait antes de aumentar pipe-\u0026gt;max_usage. Si una tuber\u00eda estaba llena antes de que ocurriera el cambio de tama\u00f1o, la reactivaci\u00f3n nunca activar\u00eda pipe_write. Configure @max_usage y @nr_accounted antes de despertar a los escritores si no se trata de una cola de vigilancia. [Christian Brauner : reescribir en la cuenta para las colas de visualizaci\u00f3n]"
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  "id": "CVE-2023-52672",
  "lastModified": "2025-12-23T18:29:06.613",
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          "baseScore": 5.5,
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          "confidentialityImpact": "NONE",
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          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
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  • 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.
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