fkie_cve-2023-52502
Vulnerability from fkie_nvd
Published
2024-03-02 22:15
Modified
2025-03-19 16:11
Severity ?
6.3 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: net: nfc: fix races in nfc_llcp_sock_get() and nfc_llcp_sock_get_sn() Sili Luo reported a race in nfc_llcp_sock_get(), leading to UAF. Getting a reference on the socket found in a lookup while holding a lock should happen before releasing the lock. nfc_llcp_sock_get_sn() has a similar problem. Finally nfc_llcp_recv_snl() needs to make sure the socket found by nfc_llcp_sock_from_sn() does not disappear.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/31c07dffafce914c1d1543c135382a11ff058d93Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6ac22ecdaad2ecc662048f8c6b0ceb1ca0699ef9Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7adcf014bda16cdbf804af5c164d94d5d025db2dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d1af8a39cf839d93c8967fdd858f6bbdc3e4a15cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d888d3f70b0de32b4f51534175f039ddab15eef8Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e4f2611f07c87b3ddb57c4b9e8efcd1e330fc3dcPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e863f5720a5680e50c4cecf12424d7cc31b3eb0aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/31c07dffafce914c1d1543c135382a11ff058d93Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/6ac22ecdaad2ecc662048f8c6b0ceb1ca0699ef9Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/7adcf014bda16cdbf804af5c164d94d5d025db2dPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/d1af8a39cf839d93c8967fdd858f6bbdc3e4a15cPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/d888d3f70b0de32b4f51534175f039ddab15eef8Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e4f2611f07c87b3ddb57c4b9e8efcd1e330fc3dcPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e863f5720a5680e50c4cecf12424d7cc31b3eb0aPatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.6
linux linux_kernel 6.6
linux linux_kernel 6.6
linux linux_kernel 6.6
linux linux_kernel 6.6


To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: net: nfc: corrige ejecuci\u00f3ns en nfc_llcp_sock_get() y nfc_llcp_sock_get_sn() Sili Luo inform\u00f3 una ejecuci\u00f3n en nfc_llcp_sock_get(), lo que llev\u00f3 a UAF. Obtener una referencia en el enchufe encontrado en una b\u00fasqueda mientras se mantiene un candado debe ocurrir antes de liberar el candado. nfc_llcp_sock_get_sn() tiene un problema similar. Finalmente, nfc_llcp_recv_snl() necesita asegurarse de que el socket encontrado por nfc_llcp_sock_from_sn() no desaparezca."
    }
  ],
  "id": "CVE-2023-52502",
  "lastModified": "2025-03-19T16:11:28.000",
  "metrics": {
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          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H",
          "version": "3.1"
        },
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        "impactScore": 5.2,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
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  "published": "2024-03-02T22:15:47.203",
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          "value": "CWE-362"
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          "lang": "en",
          "value": "CWE-416"
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      "source": "nvd@nist.gov",
      "type": "Primary"
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}


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