ghsa-8j9g-23ch-xjq9
Vulnerability from github
Published
2024-05-01 15:30
Modified
2024-06-26 00:31
Details

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

net: phy: fix phy_get_internal_delay accessing an empty array

The phy_get_internal_delay function could try to access to an empty array in the case that the driver is calling phy_get_internal_delay without defining delay_values and rx-internal-delay-ps or tx-internal-delay-ps is defined to 0 in the device-tree. This will lead to "unable to handle kernel NULL pointer dereference at virtual address 0". To avoid this kernel oops, the test should be delay

= 0. As there is already delay < 0 test just before, the test could only be size == 0.

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{
  "affected": [],
  "aliases": [
    "CVE-2024-27047"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-01T13:15:49Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: phy: fix phy_get_internal_delay accessing an empty array\n\nThe phy_get_internal_delay function could try to access to an empty\narray in the case that the driver is calling phy_get_internal_delay\nwithout defining delay_values and rx-internal-delay-ps or\ntx-internal-delay-ps is defined to 0 in the device-tree.\nThis will lead to \"unable to handle kernel NULL pointer dereference at\nvirtual address 0\". To avoid this kernel oops, the test should be delay\n\u003e= 0. As there is already delay \u003c 0 test just before, the test could\nonly be size == 0.",
  "id": "GHSA-8j9g-23ch-xjq9",
  "modified": "2024-06-26T00:31:40Z",
  "published": "2024-05-01T15:30:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-27047"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0307cf443308ecc6be9b2ca312bb31bae5e5a7ad"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/06dd21045a7e8bc8701b0ebedcd9a30a6325878b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0e939a002c8a7d66e60bd0ea6b281fb39d713c1a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2a2ff709511617de9c6c072eeee82bcbbdfecaf8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4469c0c5b14a0919f5965c7ceac96b523eb57b79"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/589ec16174dd9378953b8232ae76fad0a96e1563"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c0691de7df1d51482a52cac93b7fe82fd9dd296b"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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