ghsa-j7q5-3vqr-jj47
Vulnerability from github
Published
2024-10-21 21:30
Modified
2024-11-08 18:30
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:

wifi: mwifiex: Fix memcpy() field-spanning write warning in mwifiex_cmd_802_11_scan_ext()

Replace one-element array with a flexible-array member in struct host_cmd_ds_802_11_scan_ext.

With this, fix the following warning:

elo 16 17:51:58 surfacebook kernel: ------------[ cut here ]------------ elo 16 17:51:58 surfacebook kernel: memcpy: detected field-spanning write (size 243) of single field "ext_scan->tlv_buffer" at drivers/net/wireless/marvell/mwifiex/scan.c:2239 (size 1) elo 16 17:51:58 surfacebook kernel: WARNING: CPU: 0 PID: 498 at drivers/net/wireless/marvell/mwifiex/scan.c:2239 mwifiex_cmd_802_11_scan_ext+0x83/0x90 [mwifiex]

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{
  "affected": [],
  "aliases": [
    "CVE-2024-50008"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-10-21T19:15:04Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mwifiex: Fix memcpy() field-spanning write warning in mwifiex_cmd_802_11_scan_ext()\n\nReplace one-element array with a flexible-array member in\n`struct host_cmd_ds_802_11_scan_ext`.\n\nWith this, fix the following warning:\n\nelo 16 17:51:58 surfacebook kernel: ------------[ cut here ]------------\nelo 16 17:51:58 surfacebook kernel: memcpy: detected field-spanning write (size 243) of single field \"ext_scan-\u003etlv_buffer\" at drivers/net/wireless/marvell/mwifiex/scan.c:2239 (size 1)\nelo 16 17:51:58 surfacebook kernel: WARNING: CPU: 0 PID: 498 at drivers/net/wireless/marvell/mwifiex/scan.c:2239 mwifiex_cmd_802_11_scan_ext+0x83/0x90 [mwifiex]",
  "id": "GHSA-j7q5-3vqr-jj47",
  "modified": "2024-11-08T18:30:46Z",
  "published": "2024-10-21T21:30:49Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-50008"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/17199b69a84798efffc475040fbef44374ef1de1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1756918f51e9ab247a0f4782cc28853c2bb457c1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/498365e52bebcbc36a93279fe7e9d6aec8479cee"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/71267bd4e8c752d7af6c6b96bb83984a6a95273d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a3a12c30f9510f3753286fadbc6cdb7dad78c1d5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b55c8848fdc81514ec047b2a0ec782ffe9ab5323"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e59bdb1ba594104cd0ee0af3ee9e4435d842a8fe"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f9310a6704bf52e2493480edea896e1f9b795d40"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fef7b51f22cf2049b0ca6740adeb0ba6f2e671dc"
    }
  ],
  "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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