ghsa-3mr7-v482-7rj9
Vulnerability from github
Published
2025-03-17 18:31
Modified
2025-03-17 18:31
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:

drm/v3d: Fix null pointer dereference of pointer perfmon

In the unlikely event that pointer perfmon is null the WARN_ON return path occurs after the pointer has already been deferenced. Fix this by only dereferencing perfmon after it has been null checked.

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{
  "affected": [],
  "aliases": [
    "CVE-2022-49485"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-02-26T07:01:24Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/v3d: Fix null pointer dereference of pointer perfmon\n\nIn the unlikely event that pointer perfmon is null the WARN_ON return path\noccurs after the pointer has already been deferenced. Fix this by only\ndereferencing perfmon after it has been null checked.",
  "id": "GHSA-3mr7-v482-7rj9",
  "modified": "2025-03-17T18:31:50Z",
  "published": "2025-03-17T18:31:50Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49485"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1df8f8901babcc8c8eea2c067179e455b5c828fd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3b72deb784a7d4ae8519a5c584cd87c4b57aa6c8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4be045434923e549a50846a066a04b7b6c1d6d33"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ce7a1ecf3f9f1fccaf67295307614511d8e11b13"
    }
  ],
  "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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