{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2023-53384",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2023-53384"
  ],
  "published": "2025-09-18T13:36:23Z",
  "summary": "wifi: mwifiex: avoid possible NULL skb pointer dereference",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mwifiex: avoid possible NULL skb pointer dereference\n\nIn 'mwifiex_handle_uap_rx_forward()', always check the value\nreturned by 'skb_copy()' to avoid potential NULL pointer\ndereference in 'mwifiex_uap_queue_bridged_pkt()', and drop\noriginal skb in case of copying failure.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE.",
  "affected": [
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
      },
      "versions": [
        "1:6.1.21-1+rpt1",
        "1:6.1.47-1+rpt2",
        "1:6.1.47-1+rpt4"
      ],
      "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"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi2-rpi-v6",
            "binary_version": "1:6.1.47-1+rpt2"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi2-rpi-v7",
            "binary_version": "1:6.1.47-1+rpt2"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi2-rpi-v7l",
            "binary_version": "1:6.1.47-1+rpt2"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi2-rpi-v8",
            "binary_version": "1:6.1.47-1+rpt2"
          },
          {
            "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": {
          "1:6.1.21-1+rpt1": {
            "linux_commit": "0afb5e98488aed7017b9bf321b575d0177feb7ed",
            "upstream_version": "6.1.21",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.1.53"
          },
          "1:6.1.47-1+rpt2": {
            "linux_commit": "655fc658a15ae7a6f37103754adb39ba52a9a14e",
            "upstream_version": "6.1.47",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.1.53"
          },
          "1:6.1.47-1+rpt4": {
            "linux_commit": "655fc658a15ae7a6f37103754adb39ba52a9a14e",
            "upstream_version": "6.1.47",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.1.53",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-53384"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/d155c5f64cefacdc6a9a26d40be53ee2903c28ff"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/139d285e7695279f030dbb172e2d0245425c86c6"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/231086e6a36316b823654f4535653f22d6344420"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/bef85d58f7709896ed8426560ad117a73a37762f"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/d7fd24b8d1bb54c5bcf583139e11a5e651e0263c"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/7e7197e4d6a1bc72a774590d8765909f898be1dc"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/0c57f9ad2c3ed43abb764b0247d610ff7fdb7a00"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/c2509f7c37355e1f0bd5b7087815b845fd383723"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/35a7a1ce7c7d61664ee54f5239a1f120ab95a87e"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-05-12T04:54:46Z"
  }
}