{"api_version":"1","generated_at":"2026-04-19T01:14:41+00:00","cve":"CVE-2026-23330","urls":{"html":"https://cve.report/CVE-2026-23330","api":"https://cve.report/api/cve/CVE-2026-23330.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-23330","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-23330"},"summary":{"title":"nfc: nci: complete pending data exchange on device close","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","state":"PUBLISHED","assigner":"Linux","published_at":"2026-03-25 11:16:30","updated_at":"2026-04-18 09:16:19"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/702029337b057085ea13f964822dcd95e0fe53f5","name":"https://git.kernel.org/stable/c/702029337b057085ea13f964822dcd95e0fe53f5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/66083581945bd5b8e99fe49b5aeb83d03f62d053","name":"https://git.kernel.org/stable/c/66083581945bd5b8e99fe49b5aeb83d03f62d053","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/91ff0d8c3464da7f0c43da38c195e60b660128bf","name":"https://git.kernel.org/stable/c/91ff0d8c3464da7f0c43da38c195e60b660128bf","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d05f55d68ebdebb2b0a8480d766eaae88c8c92de","name":"https://git.kernel.org/stable/c/d05f55d68ebdebb2b0a8480d766eaae88c8c92de","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-23330","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23330","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 38f04c6b1b682f1879441e2925403ad9aff9e229 702029337b057085ea13f964822dcd95e0fe53f5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 38f04c6b1b682f1879441e2925403ad9aff9e229 91ff0d8c3464da7f0c43da38c195e60b660128bf git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 38f04c6b1b682f1879441e2925403ad9aff9e229 d05f55d68ebdebb2b0a8480d766eaae88c8c92de git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 38f04c6b1b682f1879441e2925403ad9aff9e229 66083581945bd5b8e99fe49b5aeb83d03f62d053 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3.2","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 3.2 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.82 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.17 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.7 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"23330","cve":"CVE-2026-23330","epss":"0.000230000","percentile":"0.062300000","score_date":"2026-04-18","updated_at":"2026-04-19 00:10:43"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/nfc/nci/core.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"702029337b057085ea13f964822dcd95e0fe53f5","status":"affected","version":"38f04c6b1b682f1879441e2925403ad9aff9e229","versionType":"git"},{"lessThan":"91ff0d8c3464da7f0c43da38c195e60b660128bf","status":"affected","version":"38f04c6b1b682f1879441e2925403ad9aff9e229","versionType":"git"},{"lessThan":"d05f55d68ebdebb2b0a8480d766eaae88c8c92de","status":"affected","version":"38f04c6b1b682f1879441e2925403ad9aff9e229","versionType":"git"},{"lessThan":"66083581945bd5b8e99fe49b5aeb83d03f62d053","status":"affected","version":"38f04c6b1b682f1879441e2925403ad9aff9e229","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/nfc/nci/core.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.2"},{"lessThan":"3.2","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.82","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.17","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.82","versionStartIncluding":"3.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.17","versionStartIncluding":"3.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.7","versionStartIncluding":"3.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"3.2","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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"}],"providerMetadata":{"dateUpdated":"2026-04-18T08:57:58.619Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/702029337b057085ea13f964822dcd95e0fe53f5"},{"url":"https://git.kernel.org/stable/c/91ff0d8c3464da7f0c43da38c195e60b660128bf"},{"url":"https://git.kernel.org/stable/c/d05f55d68ebdebb2b0a8480d766eaae88c8c92de"},{"url":"https://git.kernel.org/stable/c/66083581945bd5b8e99fe49b5aeb83d03f62d053"}],"title":"nfc: nci: complete pending data exchange on device close","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-23330","datePublished":"2026-03-25T10:27:21.871Z","dateReserved":"2026-01-13T15:37:45.996Z","dateUpdated":"2026-04-18T08:57:58.619Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-03-25 11:16:30","lastModifiedDate":"2026-04-18 09:16:19","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"23330","Ordinal":"1","Title":"nfc: nci: complete pending data exchange on device close","CVE":"CVE-2026-23330","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"23330","Ordinal":"1","NoteData":"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","Type":"Description","Title":"nfc: nci: complete pending data exchange on device close"}]}}}