{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2023-52502",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2023-52502"
  ],
  "published": "2024-03-02T21:53:07Z",
  "summary": "net: nfc: fix races in nfc_llcp_sock_get() and nfc_llcp_sock_get_sn()",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: nfc: fix races in nfc_llcp_sock_get() and nfc_llcp_sock_get_sn()\n\nSili Luo reported a race in nfc_llcp_sock_get(), leading to UAF.\n\nGetting a reference on the socket found in a lookup while\nholding a lock should happen before releasing the lock.\n\nnfc_llcp_sock_get_sn() has a similar problem.\n\nFinally nfc_llcp_recv_snl() needs to make sure the socket\nfound by nfc_llcp_sock_from_sn() does not disappear.",
  "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",
        "1:6.1.54-1+rpt2",
        "1:6.1.58-1+rpt2"
      ],
      "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"
          },
          {
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            "binary_version": "1:6.1.47-1+rpt4"
          },
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            "binary_version": "1:6.1.54-1+rpt2"
          },
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            "binary_version": "1:6.1.54-1+rpt2"
          },
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            "binary_version": "1:6.1.54-1+rpt2"
          },
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            "binary_name": "linux-image-6.1.0-rpi4-rpi-v7l",
            "binary_version": "1:6.1.54-1+rpt2"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi4-rpi-v8",
            "binary_version": "1:6.1.54-1+rpt2"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi6-rpi-2712",
            "binary_version": "1:6.1.58-1+rpt2"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi6-rpi-v6",
            "binary_version": "1:6.1.58-1+rpt2"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi6-rpi-v7",
            "binary_version": "1:6.1.58-1+rpt2"
          },
          {
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            "binary_version": "1:6.1.58-1+rpt2"
          },
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            "binary_version": "1:6.1.58-1+rpt2"
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      },
      "database_specific": {
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            "linux_commit": "0afb5e98488aed7017b9bf321b575d0177feb7ed",
            "upstream_version": "6.1.21",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.1.59"
          },
          "1:6.1.47-1+rpt2": {
            "linux_commit": "655fc658a15ae7a6f37103754adb39ba52a9a14e",
            "upstream_version": "6.1.47",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.1.59"
          },
          "1:6.1.47-1+rpt4": {
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            "upstream_fixed": "6.1.59",
            "compiled_filter": false
          },
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            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.1.59"
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  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-52502"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/e863f5720a5680e50c4cecf12424d7cc31b3eb0a"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/7adcf014bda16cdbf804af5c164d94d5d025db2d"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/6ac22ecdaad2ecc662048f8c6b0ceb1ca0699ef9"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/d888d3f70b0de32b4f51534175f039ddab15eef8"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/e4f2611f07c87b3ddb57c4b9e8efcd1e330fc3dc"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/d1af8a39cf839d93c8967fdd858f6bbdc3e4a15c"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/31c07dffafce914c1d1543c135382a11ff058d93"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-05T11:24:39Z"
  }
}