ghsa-m487-w7jq-5grr
Vulnerability from github
Published
2024-07-29 15:30
Modified
2024-10-17 15:31
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details

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

wifi: mac80211: Avoid address calculations via out of bounds array indexing

req->n_channels must be set before req->channels[] can be used.

This patch fixes one of the issues encountered in [1].

[ 83.964255] UBSAN: array-index-out-of-bounds in net/mac80211/scan.c:364:4 [ 83.964258] index 0 is out of range for type 'struct ieee80211_channel *[]' [...] [ 83.964264] Call Trace: [ 83.964267] [ 83.964269] dump_stack_lvl+0x3f/0xc0 [ 83.964274] __ubsan_handle_out_of_bounds+0xec/0x110 [ 83.964278] ieee80211_prep_hw_scan+0x2db/0x4b0 [ 83.964281] __ieee80211_start_scan+0x601/0x990 [ 83.964291] nl80211_trigger_scan+0x874/0x980 [ 83.964295] genl_family_rcv_msg_doit+0xe8/0x160 [ 83.964298] genl_rcv_msg+0x240/0x270 [...]

[1] https://bugzilla.kernel.org/show_bug.cgi?id=218810

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{
  "affected": [],
  "aliases": [
    "CVE-2024-41071"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-129"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-07-29T15:15:14Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: Avoid address calculations via out of bounds array indexing\n\nreq-\u003en_channels must be set before req-\u003echannels[] can be used.\n\nThis patch fixes one of the issues encountered in [1].\n\n[   83.964255] UBSAN: array-index-out-of-bounds in net/mac80211/scan.c:364:4\n[   83.964258] index 0 is out of range for type \u0027struct ieee80211_channel *[]\u0027\n[...]\n[   83.964264] Call Trace:\n[   83.964267]  \u003cTASK\u003e\n[   83.964269]  dump_stack_lvl+0x3f/0xc0\n[   83.964274]  __ubsan_handle_out_of_bounds+0xec/0x110\n[   83.964278]  ieee80211_prep_hw_scan+0x2db/0x4b0\n[   83.964281]  __ieee80211_start_scan+0x601/0x990\n[   83.964291]  nl80211_trigger_scan+0x874/0x980\n[   83.964295]  genl_family_rcv_msg_doit+0xe8/0x160\n[   83.964298]  genl_rcv_msg+0x240/0x270\n[...]\n\n[1] https://bugzilla.kernel.org/show_bug.cgi?id=218810",
  "id": "GHSA-m487-w7jq-5grr",
  "modified": "2024-10-17T15:31:07Z",
  "published": "2024-07-29T15:30:46Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-41071"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2663d0462eb32ae7c9b035300ab6b1523886c718"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/26b177ecdd311f20de4c379f0630858a675dfc0c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4f43a614b1b84f0d1e3c48cc541c3bfdf414a6d0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a2bb0c5d0086be5ab5054465dfaa381a1144905c"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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