{"cve":"CVE-2026-23330","nvd":{"published":"2026-03-25T11:16:30.263","modified":"2026-10-30T13:18:35.930","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: nci: complete pending data exchange on device close\n\nIn nci_close_device(), complete any pending data exchange before\nclosing. The data exchange callback (e.g.\nrawsock_data_exchange_complete) holds a socket reference.\n\nNIPA occasionally hits this leak:\n\nunreferenced object 0xff1100000f435000 (size 2048):\n  comm \"nci_dev\", pid 3954, jiffies 4295441245\n  hex dump (first 32 bytes):\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n    27 00 01 40 00 00 00 00 00 00 00 00 00 00 00 00  '..@............\n  backtrace (crc ec2b3c5):\n    __kmalloc_noprof+0x4db/0x730\n    sk_prot_alloc.isra.0+0xe4/0x1d0\n    sk_alloc+0x36/0x760\n    rawsock_create+0xd1/0x540\n    nfc_sock_create+0x11f/0x280\n    __sock_create+0x22d/0x630\n    __sys_socket+0x115/0x1d0\n    __x64_sys_socket+0x72/0xd0\n    do_syscall_64+0x117/0xfc0\n    entry_SYSCALL_64_after_hwframe+0x4b/0x53","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-401"],"references":["https://git.kernel.org/stable/c/66083581945bd5b8e99fe49b5aeb83d03f62d053","https://git.kernel.org/stable/c/702029337b057085ea13f964822dcd95e0fe53f5","https://git.kernel.org/stable/c/75fdb22ef0635c02337de0c08c98f93f37b5cbee","https://git.kernel.org/stable/c/91ff0d8c3464da7f0c43da38c195e60b660128bf","https://git.kernel.org/stable/c/9df613ef6e8e873cdab969a11f74823488977f1f"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-30T13:47:47.119061695+00:00"},"epss":{"cve":"CVE-2026-23330","score":0.00127,"percentile":0.02336,"date":"2026-10-30"},"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."]}