{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-23330",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-01-13T15:37:45.996Z",
        "datePublished": "2026-03-25T10:27:21.871Z",
        "dateUpdated": "2026-05-11T22:04:46.617Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T22:04:46.617Z"
            },
            "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"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/nfc/nci/core.c"
                    ],
                    "versions": [
                        {
                            "version": "38f04c6b1b682f1879441e2925403ad9aff9e229",
                            "lessThan": "9df613ef6e8e873cdab969a11f74823488977f1f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "38f04c6b1b682f1879441e2925403ad9aff9e229",
                            "lessThan": "702029337b057085ea13f964822dcd95e0fe53f5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "38f04c6b1b682f1879441e2925403ad9aff9e229",
                            "lessThan": "91ff0d8c3464da7f0c43da38c195e60b660128bf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "38f04c6b1b682f1879441e2925403ad9aff9e229",
                            "lessThan": "d05f55d68ebdebb2b0a8480d766eaae88c8c92de",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "38f04c6b1b682f1879441e2925403ad9aff9e229",
                            "lessThan": "66083581945bd5b8e99fe49b5aeb83d03f62d053",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/nfc/nci/core.c"
                    ],
                    "versions": [
                        {
                            "version": "3.2",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.2",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.136",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.82",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.17",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.7",
                            "lessThanOrEqual": "6.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.2",
                                    "versionEndExcluding": "6.6.136"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.2",
                                    "versionEndExcluding": "6.12.82"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.2",
                                    "versionEndExcluding": "6.18.17"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.2",
                                    "versionEndExcluding": "6.19.7"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.2",
                                    "versionEndExcluding": "7.0"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/9df613ef6e8e873cdab969a11f74823488977f1f"
                },
                {
                    "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"
            }
        }
    }
}