wifi: rt2x00: Fix memory leak when handling surveys

{
  "id": "ad4163abd2ac17626f5b108e4557d63907b163edf3059145496db44205321a06",
  "url": "https://osv.dev/vulnerability/CVE-2023-54131",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "wifi: rt2x00: Fix memory leak when handling surveys",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: wifi: rt2x00: Fix memory leak when handling surveys When removing a rt2x00 device, its associated channel surveys are not freed, causing a memory leak observable with kmemleak: unreferenced object 0xffff9620f0881a00 (size 512): comm \"systemd-udevd\", pid 2290, jiffies 4294906974 (age 33.768s) hex dump (first 32 bytes): 70 44 12 00 00 00 00 00 92 8a 00 00 00 00 00 00 pD.............. 00 00 00 00 00 00 00 00 ab 87 01 00 00 00 00 00 ................ backtrace: [] __kmalloc+0x4b/0x130 [] rt2800_probe_hw+0xc2b/0x1380 [rt2800lib] [] rt2800usb_probe_hw+0xe/0x60 [rt2800usb] [] rt2x00lib_probe_dev+0x21a/0x7d0 [rt2x00lib] [] rt2x00usb_probe+0x1be/0x980 [rt2x00usb] [] usb_probe_interface+0xe2/0x310 [usbcore] [] really_probe+0x1a5/0x410 [] __driver_probe_device+0x78/0x180 [] driver_probe_device+0x1e/0x90 [] __driver_attach+0xd2/0x1c0 [] bus_for_each_dev+0x77/0xd0 [] bus_add_driver+0x112/0x210 [] driver_register+0x5c/0x120 [] usb_register_driver+0x88/0x150 [usbcore] [] do_one_initcall+0x44/0x220 [] do_init_module+0x4c/0x220 Fix this by freeing the channel surveys on device removal. Tested with a RT3070 based USB wireless adapter.",
    "evidence": "osv:CVE-2023-54131",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.15.111",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.28",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.2.15",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.3.2",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-54131",
      "aliases": [
        "CVE-2023-54131"
      ],
      "affected": [
        {
          "ranges": [
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              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                  "introduced": "5447626910f5b8d964761ed4fa4feaf1a3ac47d0"
                },
                {
                  "fixed": "eb77c0c0a17c53d83b5fe8e46490fb0a7ed9e6af"
                },
                {
                  "fixed": "bea3f8aa999318bdffa2d17753e492f76904f0ce"
                },
                {
                  "fixed": "494064ffd60d044c097d514917c40913d1affbca"
                },
                {
                  "fixed": "0354bce76ed1d775904acdb4cc0bf88c5b9b5b9f"
                },
                {
                  "fixed": "cbef9a83c51dfcb07f77cfa6ac26f53a1ea86f49"
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              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-54131.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.11.0"
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                {
                  "fixed": "5.15.111"
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            {
              "type": "ECOSYSTEM",
              "events": [
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                {
                  "fixed": "6.1.28"
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            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.2.15"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.3.0"
                },
                {
                  "fixed": "6.3.2"
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              ]
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          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-54131.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:23.372291380Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/0354bce76ed1d775904acdb4cc0bf88c5b9b5b9f",
        "https://git.kernel.org/stable/c/494064ffd60d044c097d514917c40913d1affbca",
        "https://git.kernel.org/stable/c/bea3f8aa999318bdffa2d17753e492f76904f0ce",
        "https://git.kernel.org/stable/c/cbef9a83c51dfcb07f77cfa6ac26f53a1ea86f49",
        "https://git.kernel.org/stable/c/eb77c0c0a17c53d83b5fe8e46490fb0a7ed9e6af",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54131.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-54131",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54131.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-54131",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 489805,
  "published_at": "2025-12-24T13:06:48.227+00:00"
}