ghsa-3qx4-pq69-7jwx
Vulnerability from github
Published
2025-05-01 15:31
Modified
2025-11-04 21:31
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details

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

net: ti: icss-iep: Fix possible NULL pointer dereference for perout request

The ICSS IEP driver tracks perout and pps enable state with flags. Currently when disabling pps and perout signals during icss_iep_exit(), results in NULL pointer dereference for perout.

To fix the null pointer dereference issue, the icss_iep_perout_enable_hw function can be modified to directly clear the IEP CMP registers when disabling PPS or PEROUT, without referencing the ptp_perout_request structure, as its contents are irrelevant in this case.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-37784"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-05-01T14:15:42Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ti: icss-iep: Fix possible NULL pointer dereference for perout request\n\nThe ICSS IEP driver tracks perout and pps enable state with flags.\nCurrently when disabling pps and perout signals during icss_iep_exit(),\nresults in NULL pointer dereference for perout.\n\nTo fix the null pointer dereference issue, the icss_iep_perout_enable_hw\nfunction can be modified to directly clear the IEP CMP registers when\ndisabling PPS or PEROUT, without referencing the ptp_perout_request\nstructure, as its contents are irrelevant in this case.",
  "id": "GHSA-3qx4-pq69-7jwx",
  "modified": "2025-11-04T21:31:32Z",
  "published": "2025-05-01T15:31:44Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-37784"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7349c9e9979333abfce42da5f9025598083b59c9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7891619d21f07a88e0275d6d43db74035aa74f69"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/da5035d7aeadcfa44096dd34689bfed6c657f559"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/eeec66327001421531b3fb1a2ac32efc8a2493b0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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