GHSA-W6JM-4GMF-C963

Vulnerability from github – Published: 2024-05-17 15:31 – Updated: 2026-05-12 12:31
VLAI
Details

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

fs/aio: Check IOCB_AIO_RW before the struct aio_kiocb conversion

The first kiocb_set_cancel_fn() argument may point at a struct kiocb that is not embedded inside struct aio_kiocb. With the current code, depending on the compiler, the req->ki_ctx read happens either before the IOCB_AIO_RW test or after that test. Move the req->ki_ctx read such that it is guaranteed that the IOCB_AIO_RW test happens first.

Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2024-35815"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-17T14:15:16Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/aio: Check IOCB_AIO_RW before the struct aio_kiocb conversion\n\nThe first kiocb_set_cancel_fn() argument may point at a struct kiocb\nthat is not embedded inside struct aio_kiocb. With the current code,\ndepending on the compiler, the req-\u003eki_ctx read happens either before\nthe IOCB_AIO_RW test or after that test. Move the req-\u003eki_ctx read such\nthat it is guaranteed that the IOCB_AIO_RW test happens first.",
  "id": "GHSA-w6jm-4gmf-c963",
  "modified": "2026-05-12T12:31:47Z",
  "published": "2024-05-17T15:31:10Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-35815"
    },
    {
      "type": "WEB",
      "url": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/10ca82aff58434e122c7c757cf0497c335f993f3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/18d5fc3c16cc317bd0e5f5dabe0660df415cadb7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/396dbbc18963648e9d1a4edbb55cfe08fa374d50"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5c43d0041e3a05c6c41c318b759fff16d2384596"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/94eb0293703ced580f05dfbe5a57da5931e9aee2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/961ebd120565cb60cebe21cb634fbc456022db4a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a71cba07783abc76b547568b6452cd1dd9981410"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c01ed748847fe8b810d86efc229b9e6c7fafa01e"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}



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