genirq/irq_sim: Initialize work context pointers properly

{
  "id": "e305fe16981ce169d19c86ad1daf00eb9c28544c5ec1e1afe8d52691bbf63588",
  "url": "https://osv.dev/vulnerability/CVE-2025-38408",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "genirq/irq_sim: Initialize work context pointers properly",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: genirq/irq_sim: Initialize work context pointers properly Initialize `ops` member's pointers properly by using kzalloc() instead of kmalloc() when allocating the simulation work context. Otherwise the pointers contain random content leading to invalid dereferencing.",
    "evidence": "osv:CVE-2025-38408",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
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            "value": "5.15.199",
            "evidence": "/affected/1/ranges"
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            "value": "6.1.162",
            "evidence": "/affected/1/ranges"
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          {
            "value": "6.6.120",
            "evidence": "/affected/1/ranges"
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          {
            "value": "6.12.37",
            "evidence": "/affected/1/ranges"
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          {
            "value": "6.15.6",
            "evidence": "/affected/1/ranges"
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        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2025-38408",
      "aliases": [
        "CVE-2025-38408"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
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      "affected": [
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          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
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          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-38408.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:35.923704440Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/186df821de0f34490ed5fc0861243748b2483861",
        "https://git.kernel.org/stable/c/19bd7597858dd15802c1d99fcc38e528f469080a",
        "https://git.kernel.org/stable/c/7f73d1def72532bac4d55ea8838f457a6bed955c",
        "https://git.kernel.org/stable/c/8a2277a3c9e4cc5398f80821afe7ecbe9bdf2819",
        "https://git.kernel.org/stable/c/c71aa4bb528ae6f8fd7577a0a39e5a03c60b04fb",
        "https://git.kernel.org/stable/c/ec3656a8cb428d763def32bc2fa695f94be23629",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38408.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-38408",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38408.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-38408",
        "evidence": "/id"
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    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 503112,
  "published_at": "2025-07-25T13:20:13.253+00:00"
}