{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2023-54131",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2023-54131"
  ],
  "published": "2025-12-24T13:11:50Z",
  "summary": "wifi: rt2x00: Fix memory leak when handling surveys",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rt2x00: Fix memory leak when handling surveys\n\nWhen removing a rt2x00 device, its associated channel surveys\nare not freed, causing a memory leak observable with kmemleak:\n\nunreferenced object 0xffff9620f0881a00 (size 512):\n  comm \"systemd-udevd\", pid 2290, jiffies 4294906974 (age 33.768s)\n  hex dump (first 32 bytes):\n    70 44 12 00 00 00 00 00 92 8a 00 00 00 00 00 00  pD..............\n    00 00 00 00 00 00 00 00 ab 87 01 00 00 00 00 00  ................\n  backtrace:\n    [<ffffffffb0ed858b>] __kmalloc+0x4b/0x130\n    [<ffffffffc1b0f29b>] rt2800_probe_hw+0xc2b/0x1380 [rt2800lib]\n    [<ffffffffc1a9496e>] rt2800usb_probe_hw+0xe/0x60 [rt2800usb]\n    [<ffffffffc1ae491a>] rt2x00lib_probe_dev+0x21a/0x7d0 [rt2x00lib]\n    [<ffffffffc1b3b83e>] rt2x00usb_probe+0x1be/0x980 [rt2x00usb]\n    [<ffffffffc05981e2>] usb_probe_interface+0xe2/0x310 [usbcore]\n    [<ffffffffb13be2d5>] really_probe+0x1a5/0x410\n    [<ffffffffb13be5c8>] __driver_probe_device+0x78/0x180\n    [<ffffffffb13be6fe>] driver_probe_device+0x1e/0x90\n    [<ffffffffb13be972>] __driver_attach+0xd2/0x1c0\n    [<ffffffffb13bbc57>] bus_for_each_dev+0x77/0xd0\n    [<ffffffffb13bd2a2>] bus_add_driver+0x112/0x210\n    [<ffffffffb13bfc6c>] driver_register+0x5c/0x120\n    [<ffffffffc0596ae8>] usb_register_driver+0x88/0x150 [usbcore]\n    [<ffffffffb0c011c4>] do_one_initcall+0x44/0x220\n    [<ffffffffb0d6134c>] do_init_module+0x4c/0x220\n\nFix this by freeing the channel surveys on device removal.\n\nTested with a RT3070 based USB wireless adapter.",
  "affected": [
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
      },
      "versions": [
        "1:6.1.21-1+rpt1"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "linux-image-6.1.0-rpi1-rpi-v6",
            "binary_version": "1:6.1.21-1+rpt1"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi1-rpi-v7",
            "binary_version": "1:6.1.21-1+rpt1"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi1-rpi-v7l",
            "binary_version": "1:6.1.21-1+rpt1"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi1-rpi-v8",
            "binary_version": "1:6.1.21-1+rpt1"
          }
        ]
      },
      "database_specific": {
        "per_version": {
          "1:6.1.21-1+rpt1": {
            "linux_commit": "0afb5e98488aed7017b9bf321b575d0177feb7ed",
            "upstream_version": "6.1.21",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.1.28"
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-54131"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/eb77c0c0a17c53d83b5fe8e46490fb0a7ed9e6af"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/bea3f8aa999318bdffa2d17753e492f76904f0ce"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/494064ffd60d044c097d514917c40913d1affbca"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/0354bce76ed1d775904acdb4cc0bf88c5b9b5b9f"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/cbef9a83c51dfcb07f77cfa6ac26f53a1ea86f49"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-05-12T04:54:46Z"
  }
}