ghsa-6cmp-hmx3-m4rx
Vulnerability from github
Published
2025-05-01 15:31
Modified
2025-05-07 15:31
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:

can: j1939: j1939_send_one(): fix missing CAN header initialization

The read access to struct canxl_frame::len inside of a j1939 created skbuff revealed a missing initialization of reserved and later filled elements in struct can_frame.

This patch initializes the 8 byte CAN header with zero.

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{
  "affected": [],
  "aliases": [
    "CVE-2022-49845"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-908"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-05-01T15:16:08Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: j1939: j1939_send_one(): fix missing CAN header initialization\n\nThe read access to struct canxl_frame::len inside of a j1939 created\nskbuff revealed a missing initialization of reserved and later filled\nelements in struct can_frame.\n\nThis patch initializes the 8 byte CAN header with zero.",
  "id": "GHSA-6cmp-hmx3-m4rx",
  "modified": "2025-05-07T15:31:24Z",
  "published": "2025-05-01T15:31:49Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49845"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2719f82ad5d8199cf5f346ea8bb3998ad5323b72"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3eb3d283e8579a22b81dd2ac3987b77465b2a22f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/69e86c6268d59ceddd0abe9ae8f1f5296f316c3c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d0513b095e1ef1469718564dec3fb3348556d0a8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f8e0edeaa0f2b860bdbbf0aafb4492533043d650"
    }
  ],
  "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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