{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2023-53529",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2023-53529"
  ],
  "published": "2025-10-01T11:50:00Z",
  "summary": "wifi: rtw88: Fix memory leak in rtw88_usb",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw88: Fix memory leak in rtw88_usb\n\nKmemleak shows the following leak arising from routine in the usb\nprobe routine:\n\nunreferenced object 0xffff895cb29bba00 (size 512):\n  comm \"(udev-worker)\", pid 534, jiffies 4294903932 (age 102751.088s)\n  hex dump (first 32 bytes):\n    77 30 30 30 00 00 00 00 02 2f 2d 2b 30 00 00 00  w000...../-+0...\n    02 00 2a 28 00 00 00 00 ff 55 ff ff ff 00 00 00  ..*(.....U......\n  backtrace:\n    [<ffffffff9265fa36>] kmalloc_trace+0x26/0x90\n    [<ffffffffc17eec41>] rtw_usb_probe+0x2f1/0x680 [rtw_usb]\n    [<ffffffffc03e19fd>] usb_probe_interface+0xdd/0x2e0 [usbcore]\n    [<ffffffff92b4f2fe>] really_probe+0x18e/0x3d0\n    [<ffffffff92b4f5b8>] __driver_probe_device+0x78/0x160\n    [<ffffffff92b4f6bf>] driver_probe_device+0x1f/0x90\n    [<ffffffff92b4f8df>] __driver_attach+0xbf/0x1b0\n    [<ffffffff92b4d350>] bus_for_each_dev+0x70/0xc0\n    [<ffffffff92b4e51e>] bus_add_driver+0x10e/0x210\n    [<ffffffff92b50935>] driver_register+0x55/0xf0\n    [<ffffffffc03e0708>] usb_register_driver+0x88/0x140 [usbcore]\n    [<ffffffff92401153>] do_one_initcall+0x43/0x210\n    [<ffffffff9254f42a>] do_init_module+0x4a/0x200\n    [<ffffffff92551d1c>] __do_sys_finit_module+0xac/0x120\n    [<ffffffff92ee6626>] do_syscall_64+0x56/0x80\n    [<ffffffff9300006a>] entry_SYSCALL_64_after_hwframe+0x46/0xb0\n\nThe leak was verified to be real by unloading the driver, which resulted\nin a dangling pointer to the allocation.\n\nThe allocated memory is freed in rtw_usb_intf_deinit().",
  "affected": [
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
      },
      "versions": [
        "1:6.1.47-1+rpt4"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-2712",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v6",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7l",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v8",
            "binary_version": "1:6.1.47-1+rpt4"
          }
        ]
      },
      "database_specific": {
        "per_version": {
          "1:6.1.47-1+rpt4": {
            "linux_commit": "655fc658a15ae7a6f37103754adb39ba52a9a14e",
            "upstream_version": "6.1.47",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": null,
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-53529"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/5bba1ad561a8b5bb14704d8f511cf10466336e3d"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/59a3a312009723e3e5082899655fdcc420e2b47a"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-05-12T04:54:46Z"
  }
}