GHSA-MWJ6-494M-MX84

Vulnerability from github – Published: 2024-07-29 18:30 – Updated: 2026-05-12 12:32
VLAI
Details

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

net/iucv: Avoid explicit cpumask var allocation on stack

For CONFIG_CPUMASK_OFFSTACK=y kernel, explicit allocation of cpumask variable on stack is not recommended since it can cause potential stack overflow.

Instead, kernel code should always use *cpumask_var API(s) to allocate cpumask var in config-neutral way, leaving allocation strategy to CONFIG_CPUMASK_OFFSTACK.

Use *cpumask_var API(s) to address it.

Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2024-42094"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-07-29T18:15:11Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/iucv: Avoid explicit cpumask var allocation on stack\n\nFor CONFIG_CPUMASK_OFFSTACK=y kernel, explicit allocation of cpumask\nvariable on stack is not recommended since it can cause potential stack\noverflow.\n\nInstead, kernel code should always use *cpumask_var API(s) to allocate\ncpumask var in config-neutral way, leaving allocation strategy to\nCONFIG_CPUMASK_OFFSTACK.\n\nUse *cpumask_var API(s) to address it.",
  "id": "GHSA-mwj6-494m-mx84",
  "modified": "2026-05-12T12:32:03Z",
  "published": "2024-07-29T18:30:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-42094"
    },
    {
      "type": "WEB",
      "url": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html"
    },
    {
      "type": "WEB",
      "url": "https://cert-portal.siemens.com/productcert/html/ssa-355557.html"
    },
    {
      "type": "WEB",
      "url": "https://cert-portal.siemens.com/productcert/html/ssa-613116.html"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0af718a690acc089aa1bbb95a93df833d864ef53"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2b085521be5292016097b5e7ca81b26be3f7098d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2d090c7f7be3b26fcb80ac04d08a4a8062b1d959"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/724e7965af054079242b8d6f7e50ee226730a756"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/842afb47d84536fc976fece8fb6c54bea711ad1a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9dadab0db7d904413ea1cdaa13f127da05c31e71"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/be4e1304419c99a164b4c0e101c7c2a756b635b9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d85ca8179a54ff8cf1e1f8c3c9e3799831319bae"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}



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