ghsa-w4x2-878r-xjgp
Vulnerability from github
Published
2025-05-01 15:31
Modified
2025-11-05 17:48
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:

net: stmmac: Fix accessing freed irq affinity_hint

The cpumask should not be a local variable, since its pointer is saved to irq_desc and may be accessed from procfs. To fix it, use the persistent mask cpumask_of(cpu#).

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{
  "affected": [],
  "aliases": [
    "CVE-2025-23155"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-05-01T13:15:51Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: stmmac: Fix accessing freed irq affinity_hint\n\nThe cpumask should not be a local variable, since its pointer is saved\nto irq_desc and may be accessed from procfs.\nTo fix it, use the persistent mask cpumask_of(cpu#).",
  "id": "GHSA-w4x2-878r-xjgp",
  "modified": "2025-11-05T17:48:21Z",
  "published": "2025-05-01T15:31:41Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-23155"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/442312c2a90d60c7a5197246583fa91d9e579985"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9e51a6a44e2c4de780a26e8fe110d708e806a8cd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c60d101a226f18e9a8f01bb4c6ca2b47dfcb15ef"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e148266e104fce396ad624079a6812ac3a9982ef"
    }
  ],
  "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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