ghsa-6hmf-7mx4-83j8
Vulnerability from github
Published
2024-05-21 15:31
Modified
2024-12-26 18:30
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details

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

net: macb: fix use after free on rmmod

plat_dev->dev->platform_data is released by platform_device_unregister(), use of pclk and hclk is a use-after-free. Since device unregister won't need a clk device we adjust the function call sequence to fix this issue.

[ 31.261225] BUG: KASAN: use-after-free in macb_remove+0x77/0xc6 [macb_pci] [ 31.275563] Freed by task 306: [ 30.276782] platform_device_release+0x25/0x80

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{
  "affected": [],
  "aliases": [
    "CVE-2021-47372"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-21T15:15:23Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: macb: fix use after free on rmmod\n\nplat_dev-\u003edev-\u003eplatform_data is released by platform_device_unregister(),\nuse of pclk and hclk is a use-after-free. Since device unregister won\u0027t\nneed a clk device we adjust the function call sequence to fix this issue.\n\n[   31.261225] BUG: KASAN: use-after-free in macb_remove+0x77/0xc6 [macb_pci]\n[   31.275563] Freed by task 306:\n[   30.276782]  platform_device_release+0x25/0x80",
  "id": "GHSA-6hmf-7mx4-83j8",
  "modified": "2024-12-26T18:30:33Z",
  "published": "2024-05-21T15:31:44Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47372"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1da750d1e2140ef43d64d17f301ff6f41b45541e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/46670fb832ee80943715df618632ca13c2e96f2b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4ad6f2d23b0f6ac0d3e5f3102a4256d1c86c90f5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7721221e87d25c9840d9ca6b986dbdc410d5ce2b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a7d521cc726f30b8e679a6f36d04b18a8ab3c536"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d82d5303c4c539db86588ffb5dc5b26c3f1513e8"
    }
  ],
  "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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