{"cve":"CVE-2023-52502","nvd":{"published":"2024-03-02T22:15:47.203","modified":"2026-08-04T10:18:30.607","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-362","CWE-416"],"references":["https://git.kernel.org/stable/c/31c07dffafce914c1d1543c135382a11ff058d93","https://git.kernel.org/stable/c/6ac22ecdaad2ecc662048f8c6b0ceb1ca0699ef9","https://git.kernel.org/stable/c/7adcf014bda16cdbf804af5c164d94d5d025db2d","https://git.kernel.org/stable/c/d1af8a39cf839d93c8967fdd858f6bbdc3e4a15c","https://git.kernel.org/stable/c/d888d3f70b0de32b4f51534175f039ddab15eef8"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:46:54.846886191+00:00"},"epss":{"cve":"CVE-2023-52502","score":0.00247,"percentile":0.16068,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}