GHSA-QV2H-2F65-W8RX

Vulnerability from github – Published: 2024-05-17 15:31 – Updated: 2024-05-17 15:31
VLAI
Details

In the Linux kernel, the following vulnerability has been resolved:

io_uring: fix io_queue_proc modifying req->flags

With multiple poll entries __io_queue_proc() might be running in parallel with poll handlers and possibly task_work, we should not be carelessly modifying req->flags there. io_poll_double_prepare() handles a similar case with locking but it's much easier to move it into __io_arm_poll_handler().

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2024-35820"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-17T14:15:17Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring: fix io_queue_proc modifying req-\u003eflags\n\nWith multiple poll entries __io_queue_proc() might be running in\nparallel with poll handlers and possibly task_work, we should not be\ncarelessly modifying req-\u003eflags there. io_poll_double_prepare() handles\na similar case with locking but it\u0027s much easier to move it into\n__io_arm_poll_handler().",
  "id": "GHSA-qv2h-2f65-w8rx",
  "modified": "2024-05-17T15:31:10Z",
  "published": "2024-05-17T15:31:10Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-35820"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0ecb8919469e6d5c74eea24086b34ce1bda5aef7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1a8ec63b2b6c91caec87d4e132b1f71b5df342be"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/51a490a7f63cae0754120e7c04f4f47920bd48db"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}



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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.

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