ghsa-wfcc-qm3q-frp3
Vulnerability from github
Published
2025-05-20 18:30
Modified
2025-05-20 18:30
Details

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

ptp: ocp: Fix NULL dereference in Adva board SMA sysfs operations

On Adva boards, SMA sysfs store/get operations can call __handle_signal_outputs() or __handle_signal_inputs() while the irig and dcf pointers are uninitialized, leading to a NULL pointer dereference in __handle_signal() and causing a kernel crash. Adva boards don't use irig or dcf functionality, so add Adva-specific callbacks ptp_ocp_sma_adva_set_outputs() and ptp_ocp_sma_adva_set_inputs() that avoid invoking irig or dcf input/output routines.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-37910"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-05-20T16:15:27Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nptp: ocp: Fix NULL dereference in Adva board SMA sysfs operations\n\nOn Adva boards, SMA sysfs store/get operations can call\n__handle_signal_outputs() or __handle_signal_inputs() while the `irig`\nand `dcf` pointers are uninitialized, leading to a NULL pointer\ndereference in __handle_signal() and causing a kernel crash. Adva boards\ndon\u0027t use `irig` or `dcf` functionality, so add Adva-specific callbacks\n`ptp_ocp_sma_adva_set_outputs()` and `ptp_ocp_sma_adva_set_inputs()` that\navoid invoking `irig` or `dcf` input/output routines.",
  "id": "GHSA-wfcc-qm3q-frp3",
  "modified": "2025-05-20T18:30:54Z",
  "published": "2025-05-20T18:30:54Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-37910"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5b349f9cdb4a9daa133bea267dfc0c383628387a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8a543d825e78b8d680d8f891381b83fbffdb0bb6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e98386d79a23c57cf179fe4138322e277aa3aa74"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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