ghsa-5mqf-fxgc-8r6w
Vulnerability from github
Published
2024-10-21 18:31
Modified
2024-10-29 18:30
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details

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

afs: Fix the setting of the server responding flag

In afs_wait_for_operation(), we set transcribe the call responded flag to the server record that we used after doing the fileserver iteration loop - but it's possible to exit the loop having had a response from the server that we've discarded (e.g. it returned an abort or we started receiving data, but the call didn't complete).

This means that op->server might be NULL, but we don't check that before attempting to set the server flag.

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{
  "affected": [],
  "aliases": [
    "CVE-2024-49999"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-10-21T18:15:19Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nafs: Fix the setting of the server responding flag\n\nIn afs_wait_for_operation(), we set transcribe the call responded flag to\nthe server record that we used after doing the fileserver iteration loop -\nbut it\u0027s possible to exit the loop having had a response from the server\nthat we\u0027ve discarded (e.g. it returned an abort or we started receiving\ndata, but the call didn\u0027t complete).\n\nThis means that op-\u003eserver might be NULL, but we don\u0027t check that before\nattempting to set the server flag.",
  "id": "GHSA-5mqf-fxgc-8r6w",
  "modified": "2024-10-29T18:30:35Z",
  "published": "2024-10-21T18:31:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-49999"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3d51ab44123f35dd1d646d99a15ebef10f55e263"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/97c953572d98080c5f1486155350bb688041747a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ff98751bae40faed1ba9c6a7287e84430f7dec64"
    }
  ],
  "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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