CVE-2023-52502 (GCVE-0-2023-52502)
Vulnerability from cvelistv5
Published
2024-03-02 21:52
Modified
2025-05-04 07:38
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-8c081fb06d67 https://git.kernel.org/stable/c/31c07dffafce914c1d1543c135382a11ff058d93 Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67 https://git.kernel.org/stable/c/6ac22ecdaad2ecc662048f8c6b0ceb1ca0699ef9 Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67 https://git.kernel.org/stable/c/7adcf014bda16cdbf804af5c164d94d5d025db2d Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67 https://git.kernel.org/stable/c/d1af8a39cf839d93c8967fdd858f6bbdc3e4a15c Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67 https://git.kernel.org/stable/c/d888d3f70b0de32b4f51534175f039ddab15eef8 Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67 https://git.kernel.org/stable/c/e4f2611f07c87b3ddb57c4b9e8efcd1e330fc3dc Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67 https://git.kernel.org/stable/c/e863f5720a5680e50c4cecf12424d7cc31b3eb0a Patch
af854a3a-2127-422b-91ae-364da2661108 https://git.kernel.org/stable/c/31c07dffafce914c1d1543c135382a11ff058d93 Patch
af854a3a-2127-422b-91ae-364da2661108 https://git.kernel.org/stable/c/6ac22ecdaad2ecc662048f8c6b0ceb1ca0699ef9 Patch
af854a3a-2127-422b-91ae-364da2661108 https://git.kernel.org/stable/c/7adcf014bda16cdbf804af5c164d94d5d025db2d Patch
af854a3a-2127-422b-91ae-364da2661108 https://git.kernel.org/stable/c/d1af8a39cf839d93c8967fdd858f6bbdc3e4a15c Patch
af854a3a-2127-422b-91ae-364da2661108 https://git.kernel.org/stable/c/d888d3f70b0de32b4f51534175f039ddab15eef8 Patch
af854a3a-2127-422b-91ae-364da2661108 https://git.kernel.org/stable/c/e4f2611f07c87b3ddb57c4b9e8efcd1e330fc3dc Patch
af854a3a-2127-422b-91ae-364da2661108 https://git.kernel.org/stable/c/e863f5720a5680e50c4cecf12424d7cc31b3eb0a Patch
Impacted products
Vendor Product Version
Linux Linux Version: 8f50020ed9b81ba909ce9573f9d05263cdebf502
Version: 8f50020ed9b81ba909ce9573f9d05263cdebf502
Version: 8f50020ed9b81ba909ce9573f9d05263cdebf502
Version: 8f50020ed9b81ba909ce9573f9d05263cdebf502
Version: 8f50020ed9b81ba909ce9573f9d05263cdebf502
Version: 8f50020ed9b81ba909ce9573f9d05263cdebf502
Version: 8f50020ed9b81ba909ce9573f9d05263cdebf502
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Show details on NVD website


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    "nvd": "{\"cve\":{\"id\":\"CVE-2023-52502\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-03-02T22:15:47.203\",\"lastModified\":\"2025-03-19T16:11:28.000\",\"vulnStatus\":\"Analyzed\",\"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 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    }
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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