{
  "id": "CVE-2023-52672",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-05-17T14:15:10.527",
  "lastModified": "2024-11-21T08:40:19.660",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "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->wr_wait before actually\nraising pipe->max_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't a\nwatch queue.\n\n[Christian Brauner <brauner@kernel.org>: rewrite to account for watch queues]"
    },
    {
      "lang": "es",
      "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-&gt;wr_wait antes de aumentar pipe-&gt;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]"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 7.0,
          "baseSeverity": "HIGH",
          "attackVector": "LOCAL",
          "attackComplexity": "HIGH",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 5.9
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/162ae0e78bdabf84ef10c1293c4ed7865cb7d3c8",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/3efbd114b91525bb095b8ae046382197d92126b9",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/68e51bdb1194f11d3452525b99c98aff6f837b24",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/6fb70694f8d1ac34e45246b0ac988f025e1e5b55",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/b87a1229d8668fbc78ebd9ca0fc797a76001c60f",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/e95aada4cb93d42e25c30a0ef9eb2923d9711d4a",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/162ae0e78bdabf84ef10c1293c4ed7865cb7d3c8",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://git.kernel.org/stable/c/3efbd114b91525bb095b8ae046382197d92126b9",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://git.kernel.org/stable/c/68e51bdb1194f11d3452525b99c98aff6f837b24",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://git.kernel.org/stable/c/6fb70694f8d1ac34e45246b0ac988f025e1e5b55",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://git.kernel.org/stable/c/b87a1229d8668fbc78ebd9ca0fc797a76001c60f",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://git.kernel.org/stable/c/e95aada4cb93d42e25c30a0ef9eb2923d9711d4a",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ]
}