ghsa-89vx-7m9v-cf88
Vulnerability from github
Published
2025-04-08 09:31
Modified
2025-10-28 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:

dpll: fix xa_alloc_cyclic() error handling

In case of returning 1 from xa_alloc_cyclic() (wrapping) ERR_PTR(1) will be returned, which will cause IS_ERR() to be false. Which can lead to dereference not allocated pointer (pin).

Fix it by checking if err is lower than zero.

This wasn't found in real usecase, only noticed. Credit to Pierre.

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2025-22016"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-04-08T09:15:26Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndpll: fix xa_alloc_cyclic() error handling\n\nIn case of returning 1 from xa_alloc_cyclic() (wrapping) ERR_PTR(1) will\nbe returned, which will cause IS_ERR() to be false. Which can lead to\ndereference not allocated pointer (pin).\n\nFix it by checking if err is lower than zero.\n\nThis wasn\u0027t found in real usecase, only noticed. Credit to Pierre.",
  "id": "GHSA-89vx-7m9v-cf88",
  "modified": "2025-10-28T18:30:24Z",
  "published": "2025-04-08T09:31:12Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-22016"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3614bf90130d60f191a5fe218d04f6251c678e13"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4d350043be684762e581d9bdd32d543621d01a9c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cb2f8a5c1fd9e7a1fefa23afe20570e16da1ada4"
    }
  ],
  "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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